X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fxscale.c;h=e18d5916a3135b2ae8dc33ad3419904a8d580c47;hp=0497a47853cf36270ac1e33e3bbf5162dcebb585;hb=a585bdf7269ce5c861c83ee3294ba1f074e9c877;hpb=56504fdd7353732525e34f1e3fbd44346588f979 diff --git a/src/target/xscale.c b/src/target/xscale.c index 0497a47853..e18d5916a3 100644 --- a/src/target/xscale.c +++ b/src/target/xscale.c @@ -2,9 +2,12 @@ * Copyright (C) 2006, 2007 by Dominic Rath * * Dominic.Rath@gmx.de * * * - * Copyright (C) 2007,2008 Øyvind Harboe * + * Copyright (C) 2007,2008 Øyvind Harboe * * oyvind.harboe@zylin.com * * * + * Copyright (C) 2009 Michael Schwingen * + * michael@schwingen.org * + * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * @@ -25,96 +28,59 @@ #endif #include "xscale.h" +#include "target_type.h" #include "arm7_9_common.h" #include "arm_simulator.h" #include "arm_disassembler.h" #include "time_support.h" #include "image.h" -/* cli handling */ -int xscale_register_commands(struct command_context_s *cmd_ctx); - -/* forward declarations */ -int xscale_target_create(struct target_s *target, Jim_Interp *interp); -int xscale_init_target(struct command_context_s *cmd_ctx, struct target_s *target); -int xscale_quit(void); - -int xscale_arch_state(struct target_s *target); -int xscale_poll(target_t *target); -int xscale_halt(target_t *target); -int xscale_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution); -int xscale_step(struct target_s *target, int current, u32 address, int handle_breakpoints); -int xscale_debug_entry(target_t *target); -int xscale_restore_context(target_t *target); - -int xscale_assert_reset(target_t *target); -int xscale_deassert_reset(target_t *target); -int xscale_soft_reset_halt(struct target_s *target); - -int xscale_set_reg_u32(reg_t *reg, u32 value); - -int xscale_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode); -int xscale_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mode, u32 value); - -int xscale_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer); -int xscale_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer); -int xscale_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer); - -int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint); -int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint); -int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint); -int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint); -int xscale_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint); -int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint); -void xscale_enable_watchpoints(struct target_s *target); -void xscale_enable_breakpoints(struct target_s *target); -static int xscale_virt2phys(struct target_s *target, u32 virtual, u32 *physical); -static int xscale_mmu(struct target_s *target, int *enabled); - -int xscale_read_trace(target_t *target); - -target_type_t xscale_target = -{ - .name = "xscale", - - .poll = xscale_poll, - .arch_state = xscale_arch_state, - - .target_request_data = NULL, - - .halt = xscale_halt, - .resume = xscale_resume, - .step = xscale_step, - - .assert_reset = xscale_assert_reset, - .deassert_reset = xscale_deassert_reset, - .soft_reset_halt = xscale_soft_reset_halt, - - .get_gdb_reg_list = armv4_5_get_gdb_reg_list, - - .read_memory = xscale_read_memory, - .write_memory = xscale_write_memory, - .bulk_write_memory = xscale_bulk_write_memory, - .checksum_memory = arm7_9_checksum_memory, - .blank_check_memory = arm7_9_blank_check_memory, - - .run_algorithm = armv4_5_run_algorithm, - - .add_breakpoint = xscale_add_breakpoint, - .remove_breakpoint = xscale_remove_breakpoint, - .add_watchpoint = xscale_add_watchpoint, - .remove_watchpoint = xscale_remove_watchpoint, - .register_commands = xscale_register_commands, - .target_create = xscale_target_create, - .init_target = xscale_init_target, - .quit = xscale_quit, +/* + * Important XScale documents available as of October 2009 include: + * + * Intel XScale® Core Developer’s Manual, January 2004 + * Order Number: 273473-002 + * This has a chapter detailing debug facilities, and punts some + * details to chip-specific microarchitecture documents. + * + * Hot-Debug for Intel XScale® Core Debug White Paper, May 2005 + * Document Number: 273539-005 + * Less detailed than the developer's manual, but summarizes those + * missing details (for most XScales) and gives LOTS of notes about + * debugger/handler interaction issues. Presents a simpler reset + * and load-handler sequence than the arch doc. (Note, OpenOCD + * doesn't currently support "Hot-Debug" as defined there.) + * + * Chip-specific microarchitecture documents may also be useful. + */ - .virt2phys = xscale_virt2phys, - .mmu = xscale_mmu -}; -char* xscale_reg_list[] = +/* forward declarations */ +static int xscale_resume(struct target_s *, int current, + uint32_t address, int handle_breakpoints, int debug_execution); +static int xscale_debug_entry(target_t *); +static int xscale_restore_context(target_t *); +static int xscale_get_reg(reg_t *reg); +static int xscale_set_reg(reg_t *reg, uint8_t *buf); +static int xscale_set_breakpoint(struct target_s *, breakpoint_t *); +static int xscale_set_watchpoint(struct target_s *, watchpoint_t *); +static int xscale_unset_breakpoint(struct target_s *, breakpoint_t *); +static int xscale_read_trace(target_t *); + + +/* This XScale "debug handler" is loaded into the processor's + * mini-ICache, which is 2K of code writable only via JTAG. + * + * FIXME the OpenOCD "bin2char" utility currently doesn't handle + * binary files cleanly. It's string oriented, and terminates them + * with a NUL character. Better would be to generate the constants + * and let other code decide names, scoping, and other housekeeping. + */ +static /* unsigned const char xscale_debug_handler[] = ... */ +#include "xscale_debug.h" + +static char *const xscale_reg_list[] = { "XSCALE_MAINID", /* 0 */ "XSCALE_CACHETYPE", @@ -140,7 +106,7 @@ char* xscale_reg_list[] = "XSCALE_TXRXCTRL", }; -xscale_reg_t xscale_reg_arch_info[] = +static const xscale_reg_t xscale_reg_arch_info[] = { {XSCALE_MAINID, NULL}, {XSCALE_CACHETYPE, NULL}, @@ -166,104 +132,92 @@ xscale_reg_t xscale_reg_arch_info[] = {-1, NULL}, /* TXRXCTRL implicit access via JTAG */ }; -int xscale_reg_arch_type = -1; - -int xscale_get_reg(reg_t *reg); -int xscale_set_reg(reg_t *reg, u8 *buf); +static int xscale_reg_arch_type = -1; -int xscale_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, xscale_common_t **xscale_p) +/* convenience wrapper to access XScale specific registers */ +static int xscale_set_reg_u32(reg_t *reg, uint32_t value) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + uint8_t buf[4]; - if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) - { - LOG_ERROR("target isn't an XScale target"); - return -1; - } + buf_set_u32(buf, 0, 32, value); - if (xscale->common_magic != XSCALE_COMMON_MAGIC) - { - LOG_ERROR("target isn't an XScale target"); - return -1; - } + return xscale_set_reg(reg, buf); +} - *armv4_5_p = armv4_5; - *xscale_p = xscale; +static const char xscale_not[] = "target is not an XScale"; +static int xscale_verify_pointer(struct command_context_s *cmd_ctx, + struct xscale_common_s *xscale) +{ + if (xscale->common_magic != XSCALE_COMMON_MAGIC) { + command_print(cmd_ctx, xscale_not); + return ERROR_TARGET_INVALID; + } return ERROR_OK; } -int xscale_jtag_set_instr(jtag_tap_t *tap, u32 new_instr) +static int xscale_jtag_set_instr(jtag_tap_t *tap, uint32_t new_instr) { - if (tap==NULL) + if (tap == NULL) return ERROR_FAIL; if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) { scan_field_t field; + uint8_t scratch[4]; + memset(&field, 0, sizeof field); field.tap = tap; field.num_bits = tap->ir_length; - field.out_value = calloc(CEIL(field.num_bits, 8), 1); + field.out_value = scratch; buf_set_u32(field.out_value, 0, field.num_bits, new_instr); - u8 tmp[4]; - field.in_value = tmp; - - jtag_add_ir_scan(1, &field, TAP_INVALID); - - jtag_check_value_mask(&field, tap->expected, tap->expected_mask); - - free(field.out_value); + jtag_add_ir_scan(1, &field, jtag_get_end_state()); } return ERROR_OK; } -int xscale_read_dcsr(target_t *target) +static int xscale_read_dcsr(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - + struct xscale_common_s *xscale = target_to_xscale(target); int retval; - scan_field_t fields[3]; - u8 field0 = 0x0; - u8 field0_check_value = 0x2; - u8 field0_check_mask = 0x7; - u8 field2 = 0x0; - u8 field2_check_value = 0x0; - u8 field2_check_mask = 0x1; + uint8_t field0 = 0x0; + uint8_t field0_check_value = 0x2; + uint8_t field0_check_mask = 0x7; + uint8_t field2 = 0x0; + uint8_t field2_check_value = 0x0; + uint8_t field2_check_mask = 0x1; - jtag_add_end_state(TAP_DRPAUSE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr); + jtag_set_end_state(TAP_DRPAUSE); + xscale_jtag_set_instr(target->tap, XSCALE_SELDCSR); buf_set_u32(&field0, 1, 1, xscale->hold_rst); buf_set_u32(&field0, 2, 1, xscale->external_debug_break); - fields[0].tap = xscale->jtag_info.tap; + memset(&fields, 0, sizeof fields); + + fields[0].tap = target->tap; fields[0].num_bits = 3; fields[0].out_value = &field0; - u8 tmp; + uint8_t tmp; fields[0].in_value = &tmp; - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 32; - fields[1].out_value = NULL; fields[1].in_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value; - - fields[2].tap = xscale->jtag_info.tap; + fields[2].tap = target->tap; fields[2].num_bits = 1; fields[2].out_value = &field2; - u8 tmp2; + uint8_t tmp2; fields[2].in_value = &tmp2; - jtag_add_dr_scan(3, fields, TAP_INVALID); + jtag_add_dr_scan(3, fields, jtag_get_end_state()); - jtag_check_value_mask(fields+0, &field0_check_value, &field0_check_mask); - jtag_check_value_mask(fields+2, &field2_check_value, &field2_check_mask); + jtag_check_value_mask(fields + 0, &field0_check_value, &field0_check_mask); + jtag_check_value_mask(fields + 2, &field2_check_value, &field2_check_mask); if ((retval = jtag_execute_queue()) != ERROR_OK) { @@ -281,67 +235,65 @@ int xscale_read_dcsr(target_t *target) fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value; fields[1].in_value = NULL; - jtag_add_end_state(TAP_IDLE); + jtag_set_end_state(TAP_IDLE); - jtag_add_dr_scan(3, fields, TAP_INVALID); + jtag_add_dr_scan(3, fields, jtag_get_end_state()); /* DANGER!!! this must be here. It will make sure that the arguments * to jtag_set_check_value() does not go out of scope! */ return jtag_execute_queue(); } -int xscale_receive(target_t *target, u32 *buffer, int num_words) + +static void xscale_getbuf(jtag_callback_data_t arg) { - if (num_words==0) - return ERROR_INVALID_ARGUMENTS; + uint8_t *in = (uint8_t *)arg; + *((uint32_t *)in) = buf_get_u32(in, 0, 32); +} - int retval=ERROR_OK; - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; +static int xscale_receive(target_t *target, uint32_t *buffer, int num_words) +{ + if (num_words == 0) + return ERROR_INVALID_ARGUMENTS; + int retval = ERROR_OK; tap_state_t path[3]; scan_field_t fields[3]; - - u8 *field0 = malloc(num_words * 1); - u8 field0_check_value = 0x2; - u8 field0_check_mask = 0x6; - u32 *field1 = malloc(num_words * 4); - u8 field2_check_value = 0x0; - u8 field2_check_mask = 0x1; + uint8_t *field0 = malloc(num_words * 1); + uint8_t field0_check_value = 0x2; + uint8_t field0_check_mask = 0x6; + uint32_t *field1 = malloc(num_words * 4); + uint8_t field2_check_value = 0x0; + uint8_t field2_check_mask = 0x1; int words_done = 0; int words_scheduled = 0; - int i; path[0] = TAP_DRSELECT; path[1] = TAP_DRCAPTURE; path[2] = TAP_DRSHIFT; - fields[0].tap = xscale->jtag_info.tap; + memset(&fields, 0, sizeof fields); + + fields[0].tap = target->tap; fields[0].num_bits = 3; - fields[0].out_value = NULL; - u8 tmp2; - fields[0].in_value = &tmp2; + fields[0].check_value = &field0_check_value; + fields[0].check_mask = &field0_check_mask; - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 32; - fields[1].out_value = NULL; - u8 tmp[4]; - fields[1].in_value = tmp; - - fields[2].tap = xscale->jtag_info.tap; + fields[2].tap = target->tap; fields[2].num_bits = 1; - fields[2].out_value = NULL; - u8 tmp3; - fields[2].in_value = &tmp3; + fields[2].check_value = &field2_check_value; + fields[2].check_mask = &field2_check_mask; - jtag_add_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgtx); - jtag_add_runtest(1, TAP_INVALID); /* ensures that we're in the TAP_IDLE state as the above could be a no-op */ + jtag_set_end_state(TAP_IDLE); + xscale_jtag_set_instr(target->tap, XSCALE_DBGTX); + jtag_add_runtest(1, jtag_get_end_state()); /* ensures that we're in the TAP_IDLE state as the above could be a no-op */ /* repeat until all words have been collected */ - int attempts=0; + int attempts = 0; while (words_done < num_words) { /* schedule reads */ @@ -351,12 +303,12 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words) fields[0].in_value = &field0[i]; jtag_add_pathmove(3, path); - jtag_add_dr_scan_now(3, fields, TAP_IDLE); - jtag_check_value_mask(fields+0, &field0_check_value, &field0_check_mask); - jtag_check_value_mask(fields+2, &field2_check_value, &field2_check_mask); + fields[1].in_value = (uint8_t *)(field1 + i); + + jtag_add_dr_scan_check(3, fields, jtag_set_end_state(TAP_IDLE)); - field1[i]=buf_get_u32(tmp, 0, 32); + jtag_add_callback(xscale_getbuf, (jtag_callback_data_t)(field1 + i)); words_scheduled++; } @@ -376,18 +328,18 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words) int j; for (j = i; j < num_words - 1; j++) { - field0[j] = field0[j+1]; - field1[j] = field1[j+1]; + field0[j] = field0[j + 1]; + field1[j] = field1[j + 1]; } words_scheduled--; } } - if (words_scheduled==0) + if (words_scheduled == 0) { if (attempts++==1000) { LOG_ERROR("Failed to receiving data from debug handler after 1000 attempts"); - retval=ERROR_TARGET_TIMEOUT; + retval = ERROR_TARGET_TIMEOUT; break; } } @@ -396,33 +348,30 @@ int xscale_receive(target_t *target, u32 *buffer, int num_words) } for (i = 0; i < num_words; i++) - *(buffer++) = buf_get_u32((u8*)&field1[i], 0, 32); + *(buffer++) = buf_get_u32((uint8_t*)&field1[i], 0, 32); free(field1); return retval; } -int xscale_read_tx(target_t *target, int consume) +static int xscale_read_tx(target_t *target, int consume) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); tap_state_t path[3]; tap_state_t noconsume_path[6]; - int retval; struct timeval timeout, now; - scan_field_t fields[3]; - u8 field0_in = 0x0; - u8 field0_check_value = 0x2; - u8 field0_check_mask = 0x6; - u8 field2_check_value = 0x0; - u8 field2_check_mask = 0x1; + uint8_t field0_in = 0x0; + uint8_t field0_check_value = 0x2; + uint8_t field0_check_mask = 0x6; + uint8_t field2_check_value = 0x0; + uint8_t field2_check_mask = 0x1; - jtag_add_end_state(TAP_IDLE); + jtag_set_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgtx); + xscale_jtag_set_instr(target->tap, XSCALE_DBGTX); path[0] = TAP_DRSELECT; path[1] = TAP_DRCAPTURE; @@ -435,21 +384,19 @@ int xscale_read_tx(target_t *target, int consume) noconsume_path[4] = TAP_DREXIT2; noconsume_path[5] = TAP_DRSHIFT; - fields[0].tap = xscale->jtag_info.tap; + memset(&fields, 0, sizeof fields); + + fields[0].tap = target->tap; fields[0].num_bits = 3; - fields[0].out_value = NULL; fields[0].in_value = &field0_in; - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 32; - fields[1].out_value = NULL; fields[1].in_value = xscale->reg_cache->reg_list[XSCALE_TX].value; - - fields[2].tap = xscale->jtag_info.tap; + fields[2].tap = target->tap; fields[2].num_bits = 1; - fields[2].out_value = NULL; - u8 tmp; + uint8_t tmp; fields[2].in_value = &tmp; gettimeofday(&timeout, NULL); @@ -468,10 +415,10 @@ int xscale_read_tx(target_t *target, int consume) jtag_add_pathmove(sizeof(noconsume_path)/sizeof(*noconsume_path), noconsume_path); } - jtag_add_dr_scan(3, fields, TAP_IDLE); + jtag_add_dr_scan(3, fields, jtag_set_end_state(TAP_IDLE)); - jtag_check_value_mask(fields+0, &field0_check_value, &field0_check_mask); - jtag_check_value_mask(fields+2, &field2_check_value, &field2_check_mask); + jtag_check_value_mask(fields + 0, &field0_check_value, &field0_check_mask); + jtag_check_value_mask(fields + 2, &field2_check_value, &field2_check_mask); if ((retval = jtag_execute_queue()) != ERROR_OK) { @@ -489,7 +436,7 @@ int xscale_read_tx(target_t *target, int consume) { goto done; } - if (debug_level>=3) + if (debug_level >= 3) { LOG_DEBUG("waiting 100ms"); alive_sleep(100); /* avoid flooding the logs */ @@ -506,42 +453,39 @@ int xscale_read_tx(target_t *target, int consume) return ERROR_OK; } -int xscale_write_rx(target_t *target) +static int xscale_write_rx(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - + struct xscale_common_s *xscale = target_to_xscale(target); int retval; struct timeval timeout, now; - scan_field_t fields[3]; - u8 field0_out = 0x0; - u8 field0_in = 0x0; - u8 field0_check_value = 0x2; - u8 field0_check_mask = 0x6; - u8 field2 = 0x0; - u8 field2_check_value = 0x0; - u8 field2_check_mask = 0x1; + uint8_t field0_out = 0x0; + uint8_t field0_in = 0x0; + uint8_t field0_check_value = 0x2; + uint8_t field0_check_mask = 0x6; + uint8_t field2 = 0x0; + uint8_t field2_check_value = 0x0; + uint8_t field2_check_mask = 0x1; + + jtag_set_end_state(TAP_IDLE); - jtag_add_end_state(TAP_IDLE); + xscale_jtag_set_instr(target->tap, XSCALE_DBGRX); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgrx); + memset(&fields, 0, sizeof fields); - fields[0].tap = xscale->jtag_info.tap; + fields[0].tap = target->tap; fields[0].num_bits = 3; fields[0].out_value = &field0_out; fields[0].in_value = &field0_in; - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 32; fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_RX].value; - fields[1].in_value = NULL; - - fields[2].tap = xscale->jtag_info.tap; + fields[2].tap = target->tap; fields[2].num_bits = 1; fields[2].out_value = &field2; - u8 tmp; + uint8_t tmp; fields[2].in_value = &tmp; gettimeofday(&timeout, NULL); @@ -551,10 +495,10 @@ int xscale_write_rx(target_t *target) LOG_DEBUG("polling RX"); for (;;) { - jtag_add_dr_scan(3, fields, TAP_IDLE); + jtag_add_dr_scan(3, fields, jtag_set_end_state(TAP_IDLE)); - jtag_check_value_mask(fields+0, &field0_check_value, &field0_check_mask); - jtag_check_value_mask(fields+2, &field2_check_value, &field2_check_mask); + jtag_check_value_mask(fields + 0, &field0_check_value, &field0_check_mask); + jtag_check_value_mask(fields + 2, &field2_check_value, &field2_check_mask); if ((retval = jtag_execute_queue()) != ERROR_OK) { @@ -570,7 +514,7 @@ int xscale_write_rx(target_t *target) } if (!(field0_in & 1)) goto done; - if (debug_level>=3) + if (debug_level >= 3) { LOG_DEBUG("waiting 100ms"); alive_sleep(100); /* avoid flooding the logs */ @@ -583,7 +527,7 @@ int xscale_write_rx(target_t *target) /* set rx_valid */ field2 = 0x1; - jtag_add_dr_scan(3, fields, TAP_IDLE); + jtag_add_dr_scan(3, fields, jtag_set_end_state(TAP_IDLE)); if ((retval = jtag_execute_queue()) != ERROR_OK) { @@ -595,20 +539,16 @@ int xscale_write_rx(target_t *target) } /* send count elements of size byte to the debug handler */ -int xscale_send(target_t *target, u8 *buffer, int count, int size) +static int xscale_send(target_t *target, uint8_t *buffer, int count, int size) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 t[3]; + uint32_t t[3]; int bits[3]; - int retval; - int done_count = 0; - jtag_add_end_state(TAP_IDLE); + jtag_set_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgrx); + xscale_jtag_set_instr(target->tap, XSCALE_DBGRX); bits[0]=3; t[0]=0; @@ -645,11 +585,11 @@ int xscale_send(target_t *target, u8 *buffer, int count, int size) LOG_ERROR("BUG: size neither 4, 2 nor 1"); exit(-1); } - jtag_add_dr_out(xscale->jtag_info.tap, + jtag_add_dr_out(target->tap, 3, bits, t, - TAP_IDLE); + jtag_set_end_state(TAP_IDLE)); buffer += size; } @@ -662,29 +602,25 @@ int xscale_send(target_t *target, u8 *buffer, int count, int size) return ERROR_OK; } -int xscale_send_u32(target_t *target, u32 value) +static int xscale_send_u32(target_t *target, uint32_t value) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); buf_set_u32(xscale->reg_cache->reg_list[XSCALE_RX].value, 0, 32, value); return xscale_write_rx(target); } -int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) +static int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - + struct xscale_common_s *xscale = target_to_xscale(target); int retval; - scan_field_t fields[3]; - u8 field0 = 0x0; - u8 field0_check_value = 0x2; - u8 field0_check_mask = 0x7; - u8 field2 = 0x0; - u8 field2_check_value = 0x0; - u8 field2_check_mask = 0x1; + uint8_t field0 = 0x0; + uint8_t field0_check_value = 0x2; + uint8_t field0_check_mask = 0x7; + uint8_t field2 = 0x0; + uint8_t field2_check_value = 0x0; + uint8_t field2_check_mask = 0x1; if (hold_rst != -1) xscale->hold_rst = hold_rst; @@ -692,34 +628,34 @@ int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) if (ext_dbg_brk != -1) xscale->external_debug_break = ext_dbg_brk; - jtag_add_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr); + jtag_set_end_state(TAP_IDLE); + xscale_jtag_set_instr(target->tap, XSCALE_SELDCSR); buf_set_u32(&field0, 1, 1, xscale->hold_rst); buf_set_u32(&field0, 2, 1, xscale->external_debug_break); - fields[0].tap = xscale->jtag_info.tap; + memset(&fields, 0, sizeof fields); + + fields[0].tap = target->tap; fields[0].num_bits = 3; fields[0].out_value = &field0; - u8 tmp; + uint8_t tmp; fields[0].in_value = &tmp; - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 32; fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value; - fields[1].in_value = NULL; - - fields[2].tap = xscale->jtag_info.tap; + fields[2].tap = target->tap; fields[2].num_bits = 1; fields[2].out_value = &field2; - u8 tmp2; + uint8_t tmp2; fields[2].in_value = &tmp2; - jtag_add_dr_scan(3, fields, TAP_INVALID); + jtag_add_dr_scan(3, fields, jtag_get_end_state()); - jtag_check_value_mask(fields+0, &field0_check_value, &field0_check_mask); - jtag_check_value_mask(fields+2, &field2_check_value, &field2_check_mask); + jtag_check_value_mask(fields + 0, &field0_check_value, &field0_check_mask); + jtag_check_value_mask(fields + 2, &field2_check_value, &field2_check_mask); if ((retval = jtag_execute_queue()) != ERROR_OK) { @@ -734,65 +670,52 @@ int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) } /* parity of the number of bits 0 if even; 1 if odd. for 32 bit words */ -unsigned int parity (unsigned int v) +static unsigned int parity (unsigned int v) { - unsigned int ov = v; + // unsigned int ov = v; v ^= v >> 16; v ^= v >> 8; v ^= v >> 4; v &= 0xf; - LOG_DEBUG("parity of 0x%x is %i", ov, (0x6996 >> v) & 1); + // LOG_DEBUG("parity of 0x%x is %i", ov, (0x6996 >> v) & 1); return (0x6996 >> v) & 1; } -int xscale_load_ic(target_t *target, int mini, u32 va, u32 buffer[8]) +static int xscale_load_ic(target_t *target, uint32_t va, uint32_t buffer[8]) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u8 packet[4]; - u8 cmd; + uint8_t packet[4]; + uint8_t cmd; int word; - scan_field_t fields[2]; - LOG_DEBUG("loading miniIC at 0x%8.8x", va); - - jtag_add_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.ldic); /* LDIC */ + LOG_DEBUG("loading miniIC at 0x%8.8" PRIx32 "", va); - /* CMD is b010 for Main IC and b011 for Mini IC */ - if (mini) - buf_set_u32(&cmd, 0, 3, 0x3); - else - buf_set_u32(&cmd, 0, 3, 0x2); + /* LDIC into IR */ + jtag_set_end_state(TAP_IDLE); + xscale_jtag_set_instr(target->tap, XSCALE_LDIC); - buf_set_u32(&cmd, 3, 3, 0x0); + /* CMD is b011 to load a cacheline into the Mini ICache. + * Loading into the main ICache is deprecated, and unused. + * It's followed by three zero bits, and 27 address bits. + */ + buf_set_u32(&cmd, 0, 6, 0x3); /* virtual address of desired cache line */ buf_set_u32(packet, 0, 27, va >> 5); - fields[0].tap = xscale->jtag_info.tap; + memset(&fields, 0, sizeof fields); + + fields[0].tap = target->tap; fields[0].num_bits = 6; fields[0].out_value = &cmd; - fields[0].in_value = NULL; - - - - - - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 27; fields[1].out_value = packet; - fields[1].in_value = NULL; - - - - - - jtag_add_dr_scan(2, fields, TAP_INVALID); + jtag_add_dr_scan(2, fields, jtag_get_end_state()); + /* rest of packet is a cacheline: 8 instructions, with parity */ fields[0].num_bits = 32; fields[0].out_value = packet; @@ -803,29 +726,24 @@ int xscale_load_ic(target_t *target, int mini, u32 va, u32 buffer[8]) { buf_set_u32(packet, 0, 32, buffer[word]); - u32 value; - memcpy(&value, packet, sizeof(u32)); + uint32_t value; + memcpy(&value, packet, sizeof(uint32_t)); cmd = parity(value); - jtag_add_dr_scan(2, fields, TAP_INVALID); + jtag_add_dr_scan(2, fields, jtag_get_end_state()); } - jtag_execute_queue(); - - return ERROR_OK; + return jtag_execute_queue(); } -int xscale_invalidate_ic_line(target_t *target, u32 va) +static int xscale_invalidate_ic_line(target_t *target, uint32_t va) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u8 packet[4]; - u8 cmd; - + uint8_t packet[4]; + uint8_t cmd; scan_field_t fields[2]; - jtag_add_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.ldic); /* LDIC */ + jtag_set_end_state(TAP_IDLE); + xscale_jtag_set_instr(target->tap, XSCALE_LDIC); /* CMD for invalidate IC line b000, bits [6:4] b000 */ buf_set_u32(&cmd, 0, 6, 0x0); @@ -833,39 +751,28 @@ int xscale_invalidate_ic_line(target_t *target, u32 va) /* virtual address of desired cache line */ buf_set_u32(packet, 0, 27, va >> 5); - fields[0].tap = xscale->jtag_info.tap; + memset(&fields, 0, sizeof fields); + + fields[0].tap = target->tap; fields[0].num_bits = 6; fields[0].out_value = &cmd; - fields[0].in_value = NULL; - - - - - - fields[1].tap = xscale->jtag_info.tap; + fields[1].tap = target->tap; fields[1].num_bits = 27; fields[1].out_value = packet; - fields[1].in_value = NULL; - - - - - - jtag_add_dr_scan(2, fields, TAP_INVALID); + jtag_add_dr_scan(2, fields, jtag_get_end_state()); return ERROR_OK; } -int xscale_update_vectors(target_t *target) +static int xscale_update_vectors(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); int i; int retval; - u32 low_reset_branch, high_reset_branch; + uint32_t low_reset_branch, high_reset_branch; for (i = 1; i < 8; i++) { @@ -876,10 +783,10 @@ int xscale_update_vectors(target_t *target) } else { - retval=target_read_u32(target, 0xffff0000 + 4*i, &xscale->high_vectors[i]); + retval = target_read_u32(target, 0xffff0000 + 4*i, &xscale->high_vectors[i]); if (retval == ERROR_TARGET_TIMEOUT) return retval; - if (retval!=ERROR_OK) + if (retval != ERROR_OK) { /* Some of these reads will fail as part of normal execution */ xscale->high_vectors[i] = ARMV4_5_B(0xfffffe, 0); @@ -895,10 +802,10 @@ int xscale_update_vectors(target_t *target) } else { - retval=target_read_u32(target, 0x0 + 4*i, &xscale->low_vectors[i]); + retval = target_read_u32(target, 0x0 + 4*i, &xscale->low_vectors[i]); if (retval == ERROR_TARGET_TIMEOUT) return retval; - if (retval!=ERROR_OK) + if (retval != ERROR_OK) { /* Some of these reads will fail as part of normal execution */ xscale->low_vectors[i] = ARMV4_5_B(0xfffffe, 0); @@ -917,23 +824,23 @@ int xscale_update_vectors(target_t *target) xscale_invalidate_ic_line(target, 0x0); xscale_invalidate_ic_line(target, 0xffff0000); - xscale_load_ic(target, 1, 0x0, xscale->low_vectors); - xscale_load_ic(target, 1, 0xffff0000, xscale->high_vectors); + xscale_load_ic(target, 0x0, xscale->low_vectors); + xscale_load_ic(target, 0xffff0000, xscale->high_vectors); return ERROR_OK; } -int xscale_arch_state(struct target_s *target) +static int xscale_arch_state(struct target_s *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; - char *state[] = + static const char *state[] = { "disabled", "enabled" }; - char *arch_dbg_reason[] = + static const char *arch_dbg_reason[] = { "", "\n(processor reset)", "\n(trace buffer full)" }; @@ -945,11 +852,11 @@ int xscale_arch_state(struct target_s *target) } LOG_USER("target halted in %s state due to %s, current mode: %s\n" - "cpsr: 0x%8.8x pc: 0x%8.8x\n" + "cpsr: 0x%8.8" PRIx32 " pc: 0x%8.8" PRIx32 "\n" "MMU: %s, D-Cache: %s, I-Cache: %s" "%s", armv4_5_state_strings[armv4_5->core_state], - Jim_Nvp_value2name_simple( nvp_target_debug_reason, target->debug_reason )->name , + Jim_Nvp_value2name_simple(nvp_target_debug_reason, target->debug_reason)->name , armv4_5_mode_strings[armv4_5_mode_to_number(armv4_5->core_mode)], buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32), buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32), @@ -961,11 +868,9 @@ int xscale_arch_state(struct target_s *target) return ERROR_OK; } -int xscale_poll(target_t *target) +static int xscale_poll(target_t *target) { - int retval=ERROR_OK; - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + int retval = ERROR_OK; if ((target->state == TARGET_RUNNING) || (target->state == TARGET_DEBUG_RUNNING)) { @@ -974,8 +879,6 @@ int xscale_poll(target_t *target) { /* there's data to read from the tx register, we entered debug state */ - xscale->handler_running = 1; - target->state = TARGET_HALTED; /* process debug entry, fetching current mode regs */ @@ -1005,37 +908,36 @@ int xscale_poll(target_t *target) return retval; } -int xscale_debug_entry(target_t *target) +static int xscale_debug_entry(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 pc; - u32 buffer[10]; + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; + uint32_t pc; + uint32_t buffer[10]; int i; int retval; - - u32 moe; + uint32_t moe; /* clear external dbg break (will be written on next DCSR read) */ xscale->external_debug_break = 0; - if ((retval=xscale_read_dcsr(target))!=ERROR_OK) + if ((retval = xscale_read_dcsr(target)) != ERROR_OK) return retval; /* get r0, pc, r1 to r7 and cpsr */ - if ((retval=xscale_receive(target, buffer, 10))!=ERROR_OK) + if ((retval = xscale_receive(target, buffer, 10)) != ERROR_OK) return retval; /* move r0 from buffer to register cache */ buf_set_u32(armv4_5->core_cache->reg_list[0].value, 0, 32, buffer[0]); - armv4_5->core_cache->reg_list[15].dirty = 1; - armv4_5->core_cache->reg_list[15].valid = 1; - LOG_DEBUG("r0: 0x%8.8x", buffer[0]); + armv4_5->core_cache->reg_list[0].dirty = 1; + armv4_5->core_cache->reg_list[0].valid = 1; + LOG_DEBUG("r0: 0x%8.8" PRIx32 "", buffer[0]); /* move pc from buffer to register cache */ buf_set_u32(armv4_5->core_cache->reg_list[15].value, 0, 32, buffer[1]); armv4_5->core_cache->reg_list[15].dirty = 1; armv4_5->core_cache->reg_list[15].valid = 1; - LOG_DEBUG("pc: 0x%8.8x", buffer[1]); + LOG_DEBUG("pc: 0x%8.8" PRIx32 "", buffer[1]); /* move data from buffer to register cache */ for (i = 1; i <= 7; i++) @@ -1043,13 +945,13 @@ int xscale_debug_entry(target_t *target) buf_set_u32(armv4_5->core_cache->reg_list[i].value, 0, 32, buffer[1 + i]); armv4_5->core_cache->reg_list[i].dirty = 1; armv4_5->core_cache->reg_list[i].valid = 1; - LOG_DEBUG("r%i: 0x%8.8x", i, buffer[i + 1]); + LOG_DEBUG("r%i: 0x%8.8" PRIx32 "", i, buffer[i + 1]); } buf_set_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32, buffer[9]); armv4_5->core_cache->reg_list[ARMV4_5_CPSR].dirty = 1; armv4_5->core_cache->reg_list[ARMV4_5_CPSR].valid = 1; - LOG_DEBUG("cpsr: 0x%8.8x", buffer[9]); + LOG_DEBUG("cpsr: 0x%8.8" PRIx32 "", buffer[9]); armv4_5->core_mode = buffer[9] & 0x1f; if (armv4_5_mode_to_number(armv4_5->core_mode) == -1) @@ -1135,7 +1037,7 @@ int xscale_debug_entry(target_t *target) xscale->arch_debug_reason = XSCALE_DBG_REASON_TB_FULL; pc -= 4; break; - case 0x7: /* Reserved */ + case 0x7: /* Reserved (may flag Hot-Debug support) */ default: LOG_ERROR("Method of Entry is 'Reserved'"); exit(-1); @@ -1148,7 +1050,7 @@ int xscale_debug_entry(target_t *target) /* on the first debug entry, identify cache type */ if (xscale->armv4_5_mmu.armv4_5_cache.ctype == -1) { - u32 cache_type_reg; + uint32_t cache_type_reg; /* read cp15 cache type register */ xscale_get_reg(&xscale->reg_cache->reg_list[XSCALE_CACHETYPE]); @@ -1186,13 +1088,12 @@ int xscale_debug_entry(target_t *target) return ERROR_OK; } -int xscale_halt(target_t *target) +static int xscale_halt(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); LOG_DEBUG("target->state: %s", - Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name); + target_state_name(target)); if (target->state == TARGET_HALTED) { @@ -1221,10 +1122,9 @@ int xscale_halt(target_t *target) return ERROR_OK; } -int xscale_enable_single_step(struct target_s *target, u32 next_pc) +static int xscale_enable_single_step(struct target_s *target, uint32_t next_pc) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale= armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); reg_t *ibcr0 = &xscale->reg_cache->reg_list[XSCALE_IBCR0]; int retval; @@ -1243,33 +1143,56 @@ int xscale_enable_single_step(struct target_s *target, u32 next_pc) } } - if ((retval=xscale_set_reg_u32(ibcr0, next_pc | 0x1))!=ERROR_OK) + if ((retval = xscale_set_reg_u32(ibcr0, next_pc | 0x1)) != ERROR_OK) return retval; return ERROR_OK; } -int xscale_disable_single_step(struct target_s *target) +static int xscale_disable_single_step(struct target_s *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale= armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); reg_t *ibcr0 = &xscale->reg_cache->reg_list[XSCALE_IBCR0]; int retval; - if ((retval=xscale_set_reg_u32(ibcr0, 0x0))!=ERROR_OK) + if ((retval = xscale_set_reg_u32(ibcr0, 0x0)) != ERROR_OK) return retval; return ERROR_OK; } -int xscale_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution) +static void xscale_enable_watchpoints(struct target_s *target) +{ + watchpoint_t *watchpoint = target->watchpoints; + + while (watchpoint) + { + if (watchpoint->set == 0) + xscale_set_watchpoint(target, watchpoint); + watchpoint = watchpoint->next; + } +} + +static void xscale_enable_breakpoints(struct target_s *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale= armv4_5->arch_info; breakpoint_t *breakpoint = target->breakpoints; - u32 current_pc; + /* set any pending breakpoints */ + while (breakpoint) + { + if (breakpoint->set == 0) + xscale_set_breakpoint(target, breakpoint); + breakpoint = breakpoint->next; + } +} +static int xscale_resume(struct target_s *target, int current, + uint32_t address, int handle_breakpoints, int debug_execution) +{ + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; + breakpoint_t *breakpoint = target->breakpoints; + uint32_t current_pc; int retval; int i; @@ -1287,7 +1210,7 @@ int xscale_resume(struct target_s *target, int current, u32 address, int handle_ } /* update vector tables */ - if ((retval=xscale_update_vectors(target))!=ERROR_OK) + if ((retval = xscale_update_vectors(target)) != ERROR_OK) return retval; /* current = 1: continue on current pc, otherwise continue at
*/ @@ -1308,18 +1231,18 @@ int xscale_resume(struct target_s *target, int current, u32 address, int handle_ { if ((breakpoint = breakpoint_find(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)))) { - u32 next_pc; + uint32_t next_pc; /* there's a breakpoint at the current PC, we have to step over it */ - LOG_DEBUG("unset breakpoint at 0x%8.8x", breakpoint->address); + LOG_DEBUG("unset breakpoint at 0x%8.8" PRIx32 "", breakpoint->address); xscale_unset_breakpoint(target, breakpoint); /* calculate PC of next instruction */ if ((retval = arm_simulate_step(target, &next_pc)) != ERROR_OK) { - u32 current_opcode; + uint32_t current_opcode; target_read_u32(target, current_pc, ¤t_opcode); - LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8x", current_opcode); + LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode); } LOG_DEBUG("enable single-step"); @@ -1340,18 +1263,18 @@ int xscale_resume(struct target_s *target, int current, u32 address, int handle_ /* send CPSR */ xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); - LOG_DEBUG("writing cpsr with value 0x%8.8x", buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); + LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32 "", buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); for (i = 7; i >= 0; i--) { /* send register */ xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); - LOG_DEBUG("writing r%i with value 0x%8.8x", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); + LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); } /* send PC */ xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); - LOG_DEBUG("writing PC with value 0x%8.8x", buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); + LOG_DEBUG("writing PC with value 0x%8.8" PRIx32 "", buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); /* wait for and process debug entry */ xscale_debug_entry(target); @@ -1359,7 +1282,7 @@ int xscale_resume(struct target_s *target, int current, u32 address, int handle_ LOG_DEBUG("disable single-step"); xscale_disable_single_step(target); - LOG_DEBUG("set breakpoint at 0x%8.8x", breakpoint->address); + LOG_DEBUG("set breakpoint at 0x%8.8" PRIx32 "", breakpoint->address); xscale_set_breakpoint(target, breakpoint); } } @@ -1383,18 +1306,18 @@ int xscale_resume(struct target_s *target, int current, u32 address, int handle_ /* send CPSR */ xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); - LOG_DEBUG("writing cpsr with value 0x%8.8x", buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); + LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32 "", buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); for (i = 7; i >= 0; i--) { /* send register */ xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); - LOG_DEBUG("writing r%i with value 0x%8.8x", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); + LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); } /* send PC */ xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); - LOG_DEBUG("writing PC with value 0x%8.8x", buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); + LOG_DEBUG("writing PC with value 0x%8.8" PRIx32 "", buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); target->debug_reason = DBG_REASON_NOTHALTED; @@ -1413,17 +1336,15 @@ int xscale_resume(struct target_s *target, int current, u32 address, int handle_ LOG_DEBUG("target resumed"); - xscale->handler_running = 1; - return ERROR_OK; } -static int xscale_step_inner(struct target_s *target, int current, u32 address, int handle_breakpoints) +static int xscale_step_inner(struct target_s *target, int current, + uint32_t address, int handle_breakpoints) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - - u32 next_pc; + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; + uint32_t next_pc; int retval; int i; @@ -1432,65 +1353,65 @@ static int xscale_step_inner(struct target_s *target, int current, u32 address, /* calculate PC of next instruction */ if ((retval = arm_simulate_step(target, &next_pc)) != ERROR_OK) { - u32 current_opcode, current_pc; + uint32_t current_opcode, current_pc; current_pc = buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32); target_read_u32(target, current_pc, ¤t_opcode); - LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8x", current_opcode); + LOG_ERROR("BUG: couldn't calculate PC of next instruction, current opcode was 0x%8.8" PRIx32 "", current_opcode); return retval; } LOG_DEBUG("enable single-step"); - if ((retval=xscale_enable_single_step(target, next_pc))!=ERROR_OK) + if ((retval = xscale_enable_single_step(target, next_pc)) != ERROR_OK) return retval; /* restore banked registers */ - if ((retval=xscale_restore_context(target))!=ERROR_OK) + if ((retval = xscale_restore_context(target)) != ERROR_OK) return retval; /* send resume request (command 0x30 or 0x31) * clean the trace buffer if it is to be enabled (0x62) */ if (xscale->trace.buffer_enabled) { - if ((retval=xscale_send_u32(target, 0x62))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x62)) != ERROR_OK) return retval; - if ((retval=xscale_send_u32(target, 0x31))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x31)) != ERROR_OK) return retval; } else - if ((retval=xscale_send_u32(target, 0x30))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x30)) != ERROR_OK) return retval; /* send CPSR */ - if ((retval=xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)))!=ERROR_OK) + if ((retval = xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32))) != ERROR_OK) return retval; - LOG_DEBUG("writing cpsr with value 0x%8.8x", buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); + LOG_DEBUG("writing cpsr with value 0x%8.8" PRIx32 "", buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32)); for (i = 7; i >= 0; i--) { /* send register */ - if ((retval=xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)))!=ERROR_OK) + if ((retval = xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32))) != ERROR_OK) return retval; - LOG_DEBUG("writing r%i with value 0x%8.8x", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); + LOG_DEBUG("writing r%i with value 0x%8.8" PRIx32 "", i, buf_get_u32(armv4_5->core_cache->reg_list[i].value, 0, 32)); } /* send PC */ - if ((retval=xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)))!=ERROR_OK) + if ((retval = xscale_send_u32(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32))) != ERROR_OK) return retval; - LOG_DEBUG("writing PC with value 0x%8.8x", buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); + LOG_DEBUG("writing PC with value 0x%8.8" PRIx32, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)); target_call_event_callbacks(target, TARGET_EVENT_RESUMED); /* registers are now invalid */ - if ((retval=armv4_5_invalidate_core_regs(target))!=ERROR_OK) + if ((retval = armv4_5_invalidate_core_regs(target)) != ERROR_OK) return retval; /* wait for and process debug entry */ - if ((retval=xscale_debug_entry(target))!=ERROR_OK) + if ((retval = xscale_debug_entry(target)) != ERROR_OK) return retval; LOG_DEBUG("disable single-step"); - if ((retval=xscale_disable_single_step(target))!=ERROR_OK) + if ((retval = xscale_disable_single_step(target)) != ERROR_OK) return retval; target_call_event_callbacks(target, TARGET_EVENT_HALTED); @@ -1498,12 +1419,13 @@ static int xscale_step_inner(struct target_s *target, int current, u32 address, return ERROR_OK; } -int xscale_step(struct target_s *target, int current, u32 address, int handle_breakpoints) +static int xscale_step(struct target_s *target, int current, + uint32_t address, int handle_breakpoints) { - armv4_5_common_t *armv4_5 = target->arch_info; + struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target); breakpoint_t *breakpoint = target->breakpoints; - u32 current_pc; + uint32_t current_pc; int retval; if (target->state != TARGET_HALTED) @@ -1521,7 +1443,7 @@ int xscale_step(struct target_s *target, int current, u32 address, int handle_br /* if we're at the reset vector, we have to simulate the step */ if (current_pc == 0x0) { - if ((retval=arm_simulate_step(target, NULL))!=ERROR_OK) + if ((retval = arm_simulate_step(target, NULL)) != ERROR_OK) return retval; current_pc = buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32); @@ -1535,7 +1457,7 @@ int xscale_step(struct target_s *target, int current, u32 address, int handle_br if (handle_breakpoints) if ((breakpoint = breakpoint_find(target, buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32)))) { - if ((retval=xscale_unset_breakpoint(target, breakpoint))!=ERROR_OK) + if ((retval = xscale_unset_breakpoint(target, breakpoint)) != ERROR_OK) return retval; } @@ -1552,19 +1474,18 @@ int xscale_step(struct target_s *target, int current, u32 address, int handle_br } -int xscale_assert_reset(target_t *target) +static int xscale_assert_reset(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); LOG_DEBUG("target->state: %s", - Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name); + target_state_name(target)); /* select DCSR instruction (set endstate to R-T-I to ensure we don't * end up in T-L-R, which would reset JTAG */ - jtag_add_end_state(TAP_IDLE); - xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr); + jtag_set_end_state(TAP_IDLE); + xscale_jtag_set_instr(target->tap, XSCALE_SELDCSR); /* set Hold reset, Halt mode and Trap Reset */ buf_set_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 30, 1, 0x1); @@ -1572,7 +1493,7 @@ int xscale_assert_reset(target_t *target) xscale_write_dcsr(target, 1, 0); /* select BYPASS, because having DCSR selected caused problems on the PXA27x */ - xscale_jtag_set_instr(xscale->jtag_info.tap, 0x7f); + xscale_jtag_set_instr(target->tap, 0x7f); jtag_execute_queue(); /* assert reset */ @@ -1587,26 +1508,16 @@ int xscale_assert_reset(target_t *target) if (target->reset_halt) { int retval; - if ((retval = target_halt(target))!=ERROR_OK) + if ((retval = target_halt(target)) != ERROR_OK) return retval; } return ERROR_OK; } -int xscale_deassert_reset(target_t *target) +static int xscale_deassert_reset(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - - fileio_t debug_handler; - u32 address; - u32 binary_size; - - u32 buf_cnt; - u32 i; - int retval; - + struct xscale_common_s *xscale = target_to_xscale(target); breakpoint_t *breakpoint = target->breakpoints; LOG_DEBUG("-"); @@ -1629,15 +1540,30 @@ int xscale_deassert_reset(target_t *target) breakpoint = breakpoint->next; } - if (!xscale->handler_installed) + armv4_5_invalidate_core_regs(target); + + /* FIXME mark hardware watchpoints got unset too. Also, + * at least some of the XScale registers are invalid... + */ + + /* + * REVISIT: *assumes* we had a SRST+TRST reset so the mini-icache + * contents got invalidated. Safer to force that, so writing new + * contents can't ever fail.. + */ { + uint32_t address; + unsigned buf_cnt; + const uint8_t *buffer = xscale_debug_handler; + int retval; + /* release SRST */ jtag_add_reset(0, 0); /* wait 300ms; 150 and 100ms were not enough */ jtag_add_sleep(300*1000); - jtag_add_runtest(2030, TAP_IDLE); + jtag_add_runtest(2030, jtag_set_end_state(TAP_IDLE)); jtag_execute_queue(); /* set Hold reset, Halt mode and Trap Reset */ @@ -1645,62 +1571,56 @@ int xscale_deassert_reset(target_t *target) buf_set_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 16, 1, 0x1); xscale_write_dcsr(target, 1, 0); - /* Load debug handler */ - if (fileio_open(&debug_handler, "xscale/debug_handler.bin", FILEIO_READ, FILEIO_BINARY) != ERROR_OK) - { - return ERROR_OK; - } - - if ((binary_size = debug_handler.size) % 4) - { - LOG_ERROR("debug_handler.bin: size not a multiple of 4"); - exit(-1); - } - - if (binary_size > 0x800) - { - LOG_ERROR("debug_handler.bin: larger than 2kb"); - exit(-1); - } - - binary_size = CEIL(binary_size, 32) * 32; - + /* Load the debug handler into the mini-icache. Since + * it's using halt mode (not monitor mode), it runs in + * "Special Debug State" for access to registers, memory, + * coprocessors, trace data, etc. + */ address = xscale->handler_address; - while (binary_size > 0) + for (unsigned binary_size = sizeof xscale_debug_handler - 1; + binary_size > 0; + binary_size -= buf_cnt, buffer += buf_cnt) { - u32 cache_line[8]; - u8 buffer[32]; - - if ((retval = fileio_read(&debug_handler, 32, buffer, &buf_cnt)) != ERROR_OK) - { + uint32_t cache_line[8]; + unsigned i; - } + buf_cnt = binary_size; + if (buf_cnt > 32) + buf_cnt = 32; for (i = 0; i < buf_cnt; i += 4) { - /* convert LE buffer to host-endian u32 */ + /* convert LE buffer to host-endian uint32_t */ cache_line[i / 4] = le_to_h_u32(&buffer[i]); } - for (; buf_cnt < 32; buf_cnt += 4) + for (; i < 32; i += 4) { - cache_line[buf_cnt / 4] = 0xe1a08008; + cache_line[i / 4] = 0xe1a08008; } /* only load addresses other than the reset vectors */ if ((address % 0x400) != 0x0) { - xscale_load_ic(target, 1, address, cache_line); + retval = xscale_load_ic(target, address, + cache_line); + if (retval != ERROR_OK) + return retval; } address += buf_cnt; - binary_size -= buf_cnt; }; - xscale_load_ic(target, 1, 0x0, xscale->low_vectors); - xscale_load_ic(target, 1, 0xffff0000, xscale->high_vectors); + retval = xscale_load_ic(target, 0x0, + xscale->low_vectors); + if (retval != ERROR_OK) + return retval; + retval = xscale_load_ic(target, 0xffff0000, + xscale->high_vectors); + if (retval != ERROR_OK) + return retval; - jtag_add_runtest(30, TAP_IDLE); + jtag_add_runtest(30, jtag_set_end_state(TAP_IDLE)); jtag_add_sleep(100000); @@ -1724,38 +1644,30 @@ int xscale_deassert_reset(target_t *target) /* resume the target */ xscale_resume(target, 1, 0x0, 1, 0); } - - fileio_close(&debug_handler); - } - else - { - jtag_add_reset(0, 0); } return ERROR_OK; } -int xscale_soft_reset_halt(struct target_s *target) +static int xscale_read_core_reg(struct target_s *target, int num, + enum armv4_5_mode mode) { + LOG_ERROR("not implemented"); return ERROR_OK; } -int xscale_read_core_reg(struct target_s *target, int num, enum armv4_5_mode mode) +static int xscale_write_core_reg(struct target_s *target, int num, + enum armv4_5_mode mode, uint32_t value) { + LOG_ERROR("not implemented"); return ERROR_OK; } -int xscale_write_core_reg(struct target_s *target, int num, enum armv4_5_mode mode, u32 value) +static int xscale_full_context(target_t *target) { + struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target); - return ERROR_OK; -} - -int xscale_full_context(target_t *target) -{ - armv4_5_common_t *armv4_5 = target->arch_info; - - u32 *buffer; + uint32_t *buffer; int i, j; @@ -1773,7 +1685,7 @@ int xscale_full_context(target_t *target) * we can't enter User mode on an XScale (unpredictable), * but User shares registers with SYS */ - for(i = 1; i < 7; i++) + for (i = 1; i < 7; i++) { int valid = 1; @@ -1787,7 +1699,7 @@ int xscale_full_context(target_t *target) if (!valid) { - u32 tmp_cpsr; + uint32_t tmp_cpsr; /* request banked registers */ xscale_send_u32(target, 0x0); @@ -1827,14 +1739,12 @@ int xscale_full_context(target_t *target) return ERROR_OK; } -int xscale_restore_context(target_t *target) +static int xscale_restore_context(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; + struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target); int i, j; - LOG_DEBUG("-"); - if (target->state != TARGET_HALTED) { LOG_WARNING("target not halted"); @@ -1845,7 +1755,7 @@ int xscale_restore_context(target_t *target) * we can't enter User mode on an XScale (unpredictable), * but User shares registers with SYS */ - for(i = 1; i < 7; i++) + for (i = 1; i < 7; i++) { int dirty = 0; @@ -1866,7 +1776,7 @@ int xscale_restore_context(target_t *target) if (dirty) { - u32 tmp_cpsr; + uint32_t tmp_cpsr; /* send banked registers */ xscale_send_u32(target, 0x1); @@ -1896,15 +1806,15 @@ int xscale_restore_context(target_t *target) return ERROR_OK; } -int xscale_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer) +static int xscale_read_memory(struct target_s *target, uint32_t address, + uint32_t size, uint32_t count, uint8_t *buffer) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 *buf32; - u32 i; + struct xscale_common_s *xscale = target_to_xscale(target); + uint32_t *buf32; + uint32_t i; int retval; - LOG_DEBUG("address: 0x%8.8x, size: 0x%8.8x, count: 0x%8.8x", address, size, count); + LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32, address, size, count); if (target->state != TARGET_HALTED) { @@ -1920,20 +1830,20 @@ int xscale_read_memory(struct target_s *target, u32 address, u32 size, u32 count return ERROR_TARGET_UNALIGNED_ACCESS; /* send memory read request (command 0x1n, n: access size) */ - if ((retval=xscale_send_u32(target, 0x10 | size))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x10 | size)) != ERROR_OK) return retval; /* send base address for read request */ - if ((retval=xscale_send_u32(target, address))!=ERROR_OK) + if ((retval = xscale_send_u32(target, address)) != ERROR_OK) return retval; /* send number of requested data words */ - if ((retval=xscale_send_u32(target, count))!=ERROR_OK) + if ((retval = xscale_send_u32(target, count)) != ERROR_OK) return retval; /* receive data from target (count times 32-bit words in host endianness) */ buf32 = malloc(4 * count); - if ((retval=xscale_receive(target, buf32, count))!=ERROR_OK) + if ((retval = xscale_receive(target, buf32, count)) != ERROR_OK) return retval; /* extract data from host-endian buffer into byte stream */ @@ -1961,12 +1871,12 @@ int xscale_read_memory(struct target_s *target, u32 address, u32 size, u32 count free(buf32); /* examine DCSR, to see if Sticky Abort (SA) got set */ - if ((retval=xscale_read_dcsr(target))!=ERROR_OK) + if ((retval = xscale_read_dcsr(target)) != ERROR_OK) return retval; if (buf_get_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 5, 1) == 1) { /* clear SA bit */ - if ((retval=xscale_send_u32(target, 0x60))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x60)) != ERROR_OK) return retval; return ERROR_TARGET_DATA_ABORT; @@ -1975,13 +1885,13 @@ int xscale_read_memory(struct target_s *target, u32 address, u32 size, u32 count return ERROR_OK; } -int xscale_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer) +static int xscale_write_memory(struct target_s *target, uint32_t address, + uint32_t size, uint32_t count, uint8_t *buffer) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); int retval; - LOG_DEBUG("address: 0x%8.8x, size: 0x%8.8x, count: 0x%8.8x", address, size, count); + LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32, address, size, count); if (target->state != TARGET_HALTED) { @@ -1997,15 +1907,15 @@ int xscale_write_memory(struct target_s *target, u32 address, u32 size, u32 coun return ERROR_TARGET_UNALIGNED_ACCESS; /* send memory write request (command 0x2n, n: access size) */ - if ((retval=xscale_send_u32(target, 0x20 | size))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x20 | size)) != ERROR_OK) return retval; /* send base address for read request */ - if ((retval=xscale_send_u32(target, address))!=ERROR_OK) + if ((retval = xscale_send_u32(target, address)) != ERROR_OK) return retval; /* send number of requested data words to be written*/ - if ((retval=xscale_send_u32(target, count))!=ERROR_OK) + if ((retval = xscale_send_u32(target, count)) != ERROR_OK) return retval; /* extract data from host-endian buffer into byte stream */ @@ -2035,16 +1945,16 @@ int xscale_write_memory(struct target_s *target, u32 address, u32 size, u32 coun } } #endif - if ((retval=xscale_send(target, buffer, count, size))!=ERROR_OK) + if ((retval = xscale_send(target, buffer, count, size)) != ERROR_OK) return retval; /* examine DCSR, to see if Sticky Abort (SA) got set */ - if ((retval=xscale_read_dcsr(target))!=ERROR_OK) + if ((retval = xscale_read_dcsr(target)) != ERROR_OK) return retval; if (buf_get_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 5, 1) == 1) { /* clear SA bit */ - if ((retval=xscale_send_u32(target, 0x60))!=ERROR_OK) + if ((retval = xscale_send_u32(target, 0x60)) != ERROR_OK) return retval; return ERROR_TARGET_DATA_ABORT; @@ -2053,16 +1963,16 @@ int xscale_write_memory(struct target_s *target, u32 address, u32 size, u32 coun return ERROR_OK; } -int xscale_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer) +static int xscale_bulk_write_memory(target_t *target, uint32_t address, + uint32_t count, uint8_t *buffer) { return xscale_write_memory(target, address, 4, count, buffer); } -u32 xscale_get_ttb(target_t *target) +static uint32_t xscale_get_ttb(target_t *target) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 ttb; + struct xscale_common_s *xscale = target_to_xscale(target); + uint32_t ttb; xscale_get_reg(&xscale->reg_cache->reg_list[XSCALE_TTB]); ttb = buf_get_u32(xscale->reg_cache->reg_list[XSCALE_TTB].value, 0, 32); @@ -2070,11 +1980,11 @@ u32 xscale_get_ttb(target_t *target) return ttb; } -void xscale_disable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_cache) +static void xscale_disable_mmu_caches(target_t *target, int mmu, + int d_u_cache, int i_cache) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 cp15_control; + struct xscale_common_s *xscale = target_to_xscale(target); + uint32_t cp15_control; /* read cp15 control register */ xscale_get_reg(&xscale->reg_cache->reg_list[XSCALE_CTRL]); @@ -2109,11 +2019,11 @@ void xscale_disable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_c xscale_send_u32(target, 0x53); } -void xscale_enable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_cache) +static void xscale_enable_mmu_caches(target_t *target, int mmu, + int d_u_cache, int i_cache) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 cp15_control; + struct xscale_common_s *xscale = target_to_xscale(target); + uint32_t cp15_control; /* read cp15 control register */ xscale_get_reg(&xscale->reg_cache->reg_list[XSCALE_CTRL]); @@ -2135,11 +2045,11 @@ void xscale_enable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_ca xscale_send_u32(target, 0x53); } -int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +static int xscale_set_breakpoint(struct target_s *target, + breakpoint_t *breakpoint) { int retval; - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -2155,7 +2065,7 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) if (breakpoint->type == BKPT_HARD) { - u32 value = breakpoint->address | 1; + uint32_t value = breakpoint->address | 1; if (!xscale->ibcr0_used) { xscale_set_reg_u32(&xscale->reg_cache->reg_list[XSCALE_IBCR0], value); @@ -2179,12 +2089,12 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) if (breakpoint->length == 4) { /* keep the original instruction in target endianness */ - if((retval = target->type->read_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_read_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) { return retval; } /* write the original instruction in target endianness (arm7_9->arm_bkpt is host endian) */ - if((retval = target_write_u32(target, breakpoint->address, xscale->arm_bkpt)) != ERROR_OK) + if ((retval = target_write_u32(target, breakpoint->address, xscale->arm_bkpt)) != ERROR_OK) { return retval; } @@ -2192,12 +2102,12 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) else { /* keep the original instruction in target endianness */ - if((retval = target->type->read_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_read_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) { return retval; } /* write the original instruction in target endianness (arm7_9->arm_bkpt is host endian) */ - if((retval = target_write_u32(target, breakpoint->address, xscale->thumb_bkpt)) != ERROR_OK) + if ((retval = target_write_u32(target, breakpoint->address, xscale->thumb_bkpt)) != ERROR_OK) { return retval; } @@ -2208,10 +2118,10 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +static int xscale_add_breakpoint(struct target_s *target, + breakpoint_t *breakpoint) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -2239,11 +2149,11 @@ int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +static int xscale_unset_breakpoint(struct target_s *target, + breakpoint_t *breakpoint) { int retval; - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -2276,14 +2186,14 @@ int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) /* restore original instruction (kept in target endianness) */ if (breakpoint->length == 4) { - if((retval = target->type->write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) { return retval; } } else { - if((retval = target->type->write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) { return retval; } @@ -2294,10 +2204,9 @@ int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) +static int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -2316,13 +2225,13 @@ int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint) return ERROR_OK; } -int xscale_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +static int xscale_set_watchpoint(struct target_s *target, + watchpoint_t *watchpoint) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u8 enable=0; + struct xscale_common_s *xscale = target_to_xscale(target); + uint8_t enable = 0; reg_t *dbcon = &xscale->reg_cache->reg_list[XSCALE_DBCON]; - u32 dbcon_value = buf_get_u32(dbcon->value, 0, 32); + uint32_t dbcon_value = buf_get_u32(dbcon->value, 0, 32); if (target->state != TARGET_HALTED) { @@ -2372,10 +2281,10 @@ int xscale_set_watchpoint(struct target_s *target, watchpoint_t *watchpoint) return ERROR_OK; } -int xscale_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +static int xscale_add_watchpoint(struct target_s *target, + watchpoint_t *watchpoint) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -2398,12 +2307,12 @@ int xscale_add_watchpoint(struct target_s *target, watchpoint_t *watchpoint) return ERROR_OK; } -int xscale_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +static int xscale_unset_watchpoint(struct target_s *target, + watchpoint_t *watchpoint) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); reg_t *dbcon = &xscale->reg_cache->reg_list[XSCALE_DBCON]; - u32 dbcon_value = buf_get_u32(dbcon->value, 0, 32); + uint32_t dbcon_value = buf_get_u32(dbcon->value, 0, 32); if (target->state != TARGET_HALTED) { @@ -2434,10 +2343,9 @@ int xscale_unset_watchpoint(struct target_s *target, watchpoint_t *watchpoint) return ERROR_OK; } -int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) +static int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -2455,37 +2363,11 @@ int xscale_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint) return ERROR_OK; } -void xscale_enable_watchpoints(struct target_s *target) -{ - watchpoint_t *watchpoint = target->watchpoints; - - while (watchpoint) - { - if (watchpoint->set == 0) - xscale_set_watchpoint(target, watchpoint); - watchpoint = watchpoint->next; - } -} - -void xscale_enable_breakpoints(struct target_s *target) -{ - breakpoint_t *breakpoint = target->breakpoints; - - /* set any pending breakpoints */ - while (breakpoint) - { - if (breakpoint->set == 0) - xscale_set_breakpoint(target, breakpoint); - breakpoint = breakpoint->next; - } -} - -int xscale_get_reg(reg_t *reg) +static int xscale_get_reg(reg_t *reg) { xscale_reg_t *arch_info = reg->arch_info; target_t *target = arch_info->target; - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); /* DCSR, TX and RX are accessible via JTAG */ if (strcmp(reg->name, "XSCALE_DCSR") == 0) @@ -2526,13 +2408,12 @@ int xscale_get_reg(reg_t *reg) return ERROR_OK; } -int xscale_set_reg(reg_t *reg, u8* buf) +static int xscale_set_reg(reg_t *reg, uint8_t* buf) { xscale_reg_t *arch_info = reg->arch_info; target_t *target = arch_info->target; - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - u32 value = buf_get_u32(buf, 0, 32); + struct xscale_common_s *xscale = target_to_xscale(target); + uint32_t value = buf_get_u32(buf, 0, 32); /* DCSR, TX and RX are accessible via JTAG */ if (strcmp(reg->name, "XSCALE_DCSR") == 0) @@ -2571,21 +2452,9 @@ int xscale_set_reg(reg_t *reg, u8* buf) return ERROR_OK; } -/* convenience wrapper to access XScale specific registers */ -int xscale_set_reg_u32(reg_t *reg, u32 value) -{ - u8 buf[4]; - - buf_set_u32(buf, 0, 32, value); - - return xscale_set_reg(reg, buf); -} - -int xscale_write_dcsr_sw(target_t *target, u32 value) +static int xscale_write_dcsr_sw(target_t *target, uint32_t value) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); reg_t *dcsr = &xscale->reg_cache->reg_list[XSCALE_DCSR]; xscale_reg_t *dcsr_arch_info = dcsr->arch_info; @@ -2602,18 +2471,17 @@ int xscale_write_dcsr_sw(target_t *target, u32 value) return ERROR_OK; } -int xscale_read_trace(target_t *target) +static int xscale_read_trace(target_t *target) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; xscale_trace_data_t **trace_data_p; /* 258 words from debug handler * 256 trace buffer entries * 2 checkpoint addresses */ - u32 trace_buffer[258]; + uint32_t trace_buffer[258]; int is_address[256]; int i, j; @@ -2681,15 +2549,14 @@ int xscale_read_trace(target_t *target) return ERROR_OK; } -int xscale_read_instruction(target_t *target, arm_instruction_t *instruction) +static int xscale_read_instruction(target_t *target, + arm_instruction_t *instruction) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); int i; int section = -1; - u32 size_read; - u32 opcode; + uint32_t size_read; + uint32_t opcode; int retval; if (!xscale->trace.image) @@ -2714,7 +2581,7 @@ int xscale_read_instruction(target_t *target, arm_instruction_t *instruction) if (xscale->trace.core_state == ARMV4_5_STATE_ARM) { - u8 buf[4]; + uint8_t buf[4]; if ((retval = image_read_section(xscale->trace.image, section, xscale->trace.current_pc - xscale->trace.image->sections[section].base_address, 4, buf, &size_read)) != ERROR_OK) @@ -2727,7 +2594,7 @@ int xscale_read_instruction(target_t *target, arm_instruction_t *instruction) } else if (xscale->trace.core_state == ARMV4_5_STATE_THUMB) { - u8 buf[2]; + uint8_t buf[2]; if ((retval = image_read_section(xscale->trace.image, section, xscale->trace.current_pc - xscale->trace.image->sections[section].base_address, 2, buf, &size_read)) != ERROR_OK) @@ -2747,7 +2614,8 @@ int xscale_read_instruction(target_t *target, arm_instruction_t *instruction) return ERROR_OK; } -int xscale_branch_address(xscale_trace_data_t *trace_data, int i, u32 *target) +static int xscale_branch_address(xscale_trace_data_t *trace_data, + int i, uint32_t *target) { /* if there are less than four entries prior to the indirect branch message * we can't extract the address */ @@ -2762,13 +2630,11 @@ int xscale_branch_address(xscale_trace_data_t *trace_data, int i, u32 *target) return 0; } -int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx) +static int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); int next_pc_ok = 0; - u32 next_pc = 0x0; + uint32_t next_pc = 0x0; xscale_trace_data_t *trace_data = xscale->trace.data; int retval; @@ -2951,12 +2817,10 @@ int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx) return ERROR_OK; } -void xscale_build_reg_cache(target_t *target) +static void xscale_build_reg_cache(target_t *target) { - /* get pointers to arch-specific information */ - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache); xscale_reg_t *arch_info = malloc(sizeof(xscale_reg_arch_info)); int i; @@ -2996,56 +2860,50 @@ void xscale_build_reg_cache(target_t *target) xscale->reg_cache = (*cache_p); } -int xscale_init_target(struct command_context_s *cmd_ctx, struct target_s *target) -{ - return ERROR_OK; -} - -int xscale_quit(void) +static int xscale_init_target(struct command_context_s *cmd_ctx, + struct target_s *target) { + xscale_build_reg_cache(target); return ERROR_OK; } -int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t *tap, const char *variant) +static int xscale_init_arch_info(target_t *target, + xscale_common_t *xscale, jtag_tap_t *tap, const char *variant) { armv4_5_common_t *armv4_5; - u32 high_reset_branch, low_reset_branch; + uint32_t high_reset_branch, low_reset_branch; int i; armv4_5 = &xscale->armv4_5_common; /* store architecture specfic data (none so far) */ - xscale->arch_info = NULL; xscale->common_magic = XSCALE_COMMON_MAGIC; - /* remember the variant (PXA25x, PXA27x, IXP42x, ...) */ - xscale->variant = strdup(variant); - - /* prepare JTAG information for the new target */ - xscale->jtag_info.tap = tap; - - xscale->jtag_info.dbgrx = 0x02; - xscale->jtag_info.dbgtx = 0x10; - xscale->jtag_info.dcsr = 0x09; - xscale->jtag_info.ldic = 0x07; + /* we don't really *need* variant info ... */ + if (variant) { + int ir_length = 0; + + if (strcmp(variant, "pxa250") == 0 + || strcmp(variant, "pxa255") == 0 + || strcmp(variant, "pxa26x") == 0) + ir_length = 5; + else if (strcmp(variant, "pxa27x") == 0 + || strcmp(variant, "ixp42x") == 0 + || strcmp(variant, "ixp45x") == 0 + || strcmp(variant, "ixp46x") == 0) + ir_length = 7; + else + LOG_WARNING("%s: unrecognized variant %s", + tap->dotted_name, variant); - if ((strcmp(xscale->variant, "pxa250") == 0) || - (strcmp(xscale->variant, "pxa255") == 0) || - (strcmp(xscale->variant, "pxa26x") == 0)) - { - xscale->jtag_info.ir_length = 5; - } - else if ((strcmp(xscale->variant, "pxa27x") == 0) || - (strcmp(xscale->variant, "ixp42x") == 0) || - (strcmp(xscale->variant, "ixp45x") == 0) || - (strcmp(xscale->variant, "ixp46x") == 0)) - { - xscale->jtag_info.ir_length = 7; + if (ir_length && ir_length != tap->ir_length) { + LOG_WARNING("%s: IR length for %s is %d; fixing", + tap->dotted_name, variant, ir_length); + tap->ir_length = ir_length; + } } /* the debug handler isn't installed (and thus not running) at this time */ - xscale->handler_installed = 0; - xscale->handler_running = 0; xscale->handler_address = 0xfe000800; /* clear the vectors we keep locally for reference */ @@ -3114,24 +2972,29 @@ int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t return ERROR_OK; } -/* target xscale */ -int xscale_target_create(struct target_s *target, Jim_Interp *interp) +static int xscale_target_create(struct target_s *target, Jim_Interp *interp) { - xscale_common_t *xscale = calloc(1,sizeof(xscale_common_t)); + xscale_common_t *xscale; - xscale_init_arch_info(target, xscale, target->tap, target->variant); - xscale_build_reg_cache(target); + if (sizeof xscale_debug_handler - 1 > 0x800) { + LOG_ERROR("debug_handler.bin: larger than 2kb"); + return ERROR_FAIL; + } - return ERROR_OK; + xscale = calloc(1, sizeof(*xscale)); + if (!xscale) + return ERROR_FAIL; + + return xscale_init_arch_info(target, xscale, target->tap, + target->variant); } -int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_debug_handler_command) { target_t *target = NULL; - armv4_5_common_t *armv4_5; xscale_common_t *xscale; - - u32 handler_address; + int retval; + uint32_t handler_address; if (argc < 2) { @@ -3139,18 +3002,18 @@ int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char return ERROR_OK; } - if ((target = get_target_by_num(strtoul(args[0], NULL, 0))) == NULL) + if ((target = get_target(args[0])) == NULL) { - LOG_ERROR("no target '%s' configured", args[0]); + LOG_ERROR("target '%s' not defined", args[0]); return ERROR_FAIL; } - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_FAIL; - } + xscale = target_to_xscale(target); + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; - handler_address = strtoul(args[1], NULL, 0); + COMMAND_PARSE_NUMBER(u32, args[1], handler_address); if (((handler_address >= 0x800) && (handler_address <= 0x1fef800)) || ((handler_address >= 0xfe000800) && (handler_address <= 0xfffff800))) @@ -3166,31 +3029,30 @@ int xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, char return ERROR_OK; } -int xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_cache_clean_address_command) { target_t *target = NULL; - armv4_5_common_t *armv4_5; xscale_common_t *xscale; - - u32 cache_clean_address; + int retval; + uint32_t cache_clean_address; if (argc < 2) { return ERROR_COMMAND_SYNTAX_ERROR; } - if ((target = get_target_by_num(strtoul(args[0], NULL, 0))) == NULL) - { - LOG_ERROR("no target '%s' configured", args[0]); - return ERROR_FAIL; - } - - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) + target = get_target(args[0]); + if (target == NULL) { + LOG_ERROR("target '%s' not defined", args[0]); return ERROR_FAIL; } + xscale = target_to_xscale(target); + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; - cache_clean_address = strtoul(args[1], NULL, 0); + COMMAND_PARSE_NUMBER(u32, args[1], cache_clean_address); if (cache_clean_address & 0xffff) { @@ -3204,35 +3066,34 @@ int xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx, return ERROR_OK; } -int xscale_handle_cache_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_cache_info_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; return armv4_5_handle_cache_info_command(cmd_ctx, &xscale->armv4_5_mmu.armv4_5_cache); } -static int xscale_virt2phys(struct target_s *target, u32 virtual, u32 *physical) +static int xscale_virt2phys(struct target_s *target, + uint32_t virtual, uint32_t *physical) { - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; - int retval; + struct xscale_common_s *xscale = target_to_xscale(target); int type; - u32 cb; + uint32_t cb; int domain; - u32 ap; + uint32_t ap; - if ((retval = xscale_get_arch_pointers(target, &armv4_5, &xscale)) != ERROR_OK) - { - return retval; + if (xscale->common_magic != XSCALE_COMMON_MAGIC) { + LOG_ERROR(xscale_not); + return ERROR_TARGET_INVALID; } - u32 ret = armv4_5_mmu_translate_va(target, &xscale->armv4_5_mmu, virtual, &type, &cb, &domain, &ap); + + uint32_t ret = armv4_5_mmu_translate_va(target, &xscale->armv4_5_mmu, virtual, &type, &cb, &domain, &ap); if (type == -1) { return ret; @@ -3243,8 +3104,7 @@ static int xscale_virt2phys(struct target_s *target, u32 virtual, u32 *physical) static int xscale_mmu(struct target_s *target, int *enabled) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; + struct xscale_common_s *xscale = target_to_xscale(target); if (target->state != TARGET_HALTED) { @@ -3255,20 +3115,19 @@ static int xscale_mmu(struct target_s *target, int *enabled) return ERROR_OK; } -int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_mmu_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; if (target->state != TARGET_HALTED) { - command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd); + command_print(cmd_ctx, "target must be stopped for \"%s\" command", CMD_NAME); return ERROR_OK; } @@ -3291,27 +3150,26 @@ int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args return ERROR_OK; } -int xscale_handle_idcache_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_idcache_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); int icache = 0, dcache = 0; + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; if (target->state != TARGET_HALTED) { - command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd); + command_print(cmd_ctx, "target must be stopped for \"%s\" command", CMD_NAME); return ERROR_OK; } - if (strcmp(cmd, "icache") == 0) + if (strcmp(CMD_NAME, "icache") == 0) icache = 1; - else if (strcmp(cmd, "dcache") == 0) + else if (strcmp(CMD_NAME, "dcache") == 0) dcache = 1; if (argc >= 1) @@ -3345,16 +3203,15 @@ int xscale_handle_idcache_command(command_context_t *cmd_ctx, char *cmd, char ** return ERROR_OK; } -int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_vector_catch_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; if (argc < 1) { @@ -3362,7 +3219,7 @@ int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, char *cmd, ch } else { - xscale->vector_catch = strtoul(args[0], NULL, 0); + COMMAND_PARSE_NUMBER(u8, args[0], xscale->vector_catch); buf_set_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 16, 8, xscale->vector_catch); xscale_write_dcsr(target, -1, -1); } @@ -3373,21 +3230,79 @@ int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, char *cmd, ch } -int xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_vector_table_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; - u32 dcsr_value; + struct xscale_common_s *xscale = target_to_xscale(target); + int err = 0; + int retval; + + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) + if (argc == 0) /* print current settings */ { + int idx; + + command_print(cmd_ctx, "active user-set static vectors:"); + for (idx = 1; idx < 8; idx++) + if (xscale->static_low_vectors_set & (1 << idx)) + command_print(cmd_ctx, "low %d: 0x%" PRIx32, idx, xscale->static_low_vectors[idx]); + for (idx = 1; idx < 8; idx++) + if (xscale->static_high_vectors_set & (1 << idx)) + command_print(cmd_ctx, "high %d: 0x%" PRIx32, idx, xscale->static_high_vectors[idx]); return ERROR_OK; } + if (argc != 3) + err = 1; + else + { + int idx; + COMMAND_PARSE_NUMBER(int, args[1], idx); + uint32_t vec; + COMMAND_PARSE_NUMBER(u32, args[2], vec); + + if (idx < 1 || idx >= 8) + err = 1; + + if (!err && strcmp(args[0], "low") == 0) + { + xscale->static_low_vectors_set |= (1<static_low_vectors[idx] = vec; + } + else if (!err && (strcmp(args[0], "high") == 0)) + { + xscale->static_high_vectors_set |= (1<static_high_vectors[idx] = vec; + } + else + err = 1; + } + + if (err) + command_print(cmd_ctx, "usage: xscale vector_table "); + + return ERROR_OK; +} + + +COMMAND_HANDLER(xscale_handle_trace_buffer_command) +{ + target_t *target = get_current_target(cmd_ctx); + struct xscale_common_s *xscale = target_to_xscale(target); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; + uint32_t dcsr_value; + int retval; + + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; + if (target->state != TARGET_HALTED) { - command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd); + command_print(cmd_ctx, "target must be stopped for \"%s\" command", CMD_NAME); return ERROR_OK; } @@ -3416,10 +3331,10 @@ int xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, char * if ((argc >= 2) && (strcmp("fill", args[1]) == 0)) { + uint32_t fill = 1; if (argc >= 3) - xscale->trace.buffer_fill = strtoul(args[2], NULL, 0); - else - xscale->trace.buffer_fill = 1; + COMMAND_PARSE_NUMBER(u32, args[2], fill); + xscale->trace.buffer_fill = fill; } else if ((argc >= 2) && (strcmp("wrap", args[1]) == 0)) { @@ -3452,11 +3367,11 @@ int xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, char * return ERROR_OK; } -int xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_trace_image_command) { - target_t *target; - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + target_t *target = get_current_target(cmd_ctx); + struct xscale_common_s *xscale = target_to_xscale(target); + int retval; if (argc < 1) { @@ -3464,12 +3379,9 @@ int xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, char *c return ERROR_OK; } - target = get_current_target(cmd_ctx); - - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; if (xscale->trace.image) { @@ -3486,7 +3398,7 @@ int xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, char *c if (argc >= 2) { xscale->trace.image->base_address_set = 1; - xscale->trace.image->base_address = strtoul(args[1], NULL, 0); + COMMAND_PARSE_NUMBER(int, args[1], xscale->trace.image->base_address); } else { @@ -3503,22 +3415,21 @@ int xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, char *c return ERROR_OK; } -int xscale_handle_dump_trace_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_dump_trace_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); xscale_trace_data_t *trace_data; fileio_t file; + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; if (target->state != TARGET_HALTED) { - command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd); + command_print(cmd_ctx, "target must be stopped for \"%s\" command", CMD_NAME); return ERROR_OK; } @@ -3561,45 +3472,43 @@ int xscale_handle_dump_trace_command(struct command_context_s *cmd_ctx, char *cm return ERROR_OK; } -int xscale_handle_analyze_trace_buffer_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_analyze_trace_buffer_command) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; xscale_analyze_trace(target, cmd_ctx); return ERROR_OK; } -int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_cp15) { target_t *target = get_current_target(cmd_ctx); - armv4_5_common_t *armv4_5; - xscale_common_t *xscale; + struct xscale_common_s *xscale = target_to_xscale(target); + int retval; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_OK; - } + retval = xscale_verify_pointer(cmd_ctx, xscale); + if (retval != ERROR_OK) + return retval; if (target->state != TARGET_HALTED) { - command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd); + command_print(cmd_ctx, "target must be stopped for \"%s\" command", CMD_NAME); return ERROR_OK; } - u32 reg_no = 0; + uint32_t reg_no = 0; reg_t *reg = NULL; - if(argc > 0) + if (argc > 0) { - reg_no = strtoul(args[0], NULL, 0); + COMMAND_PARSE_NUMBER(u32, args[0], reg_no); /*translate from xscale cp15 register no to openocd register*/ - switch(reg_no) + switch (reg_no) { case 0: reg_no = XSCALE_MAINID; @@ -3632,19 +3541,19 @@ int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int a reg = &xscale->reg_cache->reg_list[reg_no]; } - if(argc == 1) + if (argc == 1) { - u32 value; + uint32_t value; /* read cp15 control register */ xscale_get_reg(reg); value = buf_get_u32(reg->value, 0, 32); - command_print(cmd_ctx, "%s (/%i): 0x%x", reg->name, reg->size, value); + command_print(cmd_ctx, "%s (/%i): 0x%" PRIx32 "", reg->name, (int)(reg->size), value); } - else if(argc == 2) + else if (argc == 2) { - - u32 value = strtoul(args[1], NULL, 0); + uint32_t value; + COMMAND_PARSE_NUMBER(u32, args[1], value); /* send CP write request (command 0x41) */ xscale_send_u32(target, 0x41); @@ -3666,7 +3575,7 @@ int xscale_handle_cp15(command_context_t *cmd_ctx, char *cmd, char **args, int a return ERROR_OK; } -int xscale_register_commands(struct command_context_s *cmd_ctx) +static int xscale_register_commands(struct command_context_s *cmd_ctx) { command_t *xscale_cmd; @@ -3681,8 +3590,9 @@ int xscale_register_commands(struct command_context_s *cmd_ctx) register_command(cmd_ctx, xscale_cmd, "dcache", xscale_handle_idcache_command, COMMAND_EXEC, "['enable'|'disable'] the DCache"); register_command(cmd_ctx, xscale_cmd, "vector_catch", xscale_handle_vector_catch_command, COMMAND_EXEC, " of vectors that should be catched"); + register_command(cmd_ctx, xscale_cmd, "vector_table", xscale_handle_vector_table_command, COMMAND_EXEC, " set static code for exception handler entry"); - register_command(cmd_ctx, xscale_cmd, "trace_buffer", xscale_handle_trace_buffer_command, COMMAND_EXEC, " ['fill' [n]|'wrap']"); + register_command(cmd_ctx, xscale_cmd, "trace_buffer", xscale_handle_trace_buffer_command, COMMAND_EXEC, " ['fill' [n]|'wrap']"); register_command(cmd_ctx, xscale_cmd, "dump_trace", xscale_handle_dump_trace_command, COMMAND_EXEC, "dump content of trace buffer to "); register_command(cmd_ctx, xscale_cmd, "analyze_trace", xscale_handle_analyze_trace_buffer_command, COMMAND_EXEC, "analyze content of trace buffer"); @@ -3695,3 +3605,43 @@ int xscale_register_commands(struct command_context_s *cmd_ctx) return ERROR_OK; } + +target_type_t xscale_target = +{ + .name = "xscale", + + .poll = xscale_poll, + .arch_state = xscale_arch_state, + + .target_request_data = NULL, + + .halt = xscale_halt, + .resume = xscale_resume, + .step = xscale_step, + + .assert_reset = xscale_assert_reset, + .deassert_reset = xscale_deassert_reset, + .soft_reset_halt = NULL, + + .get_gdb_reg_list = armv4_5_get_gdb_reg_list, + + .read_memory = xscale_read_memory, + .write_memory = xscale_write_memory, + .bulk_write_memory = xscale_bulk_write_memory, + .checksum_memory = arm7_9_checksum_memory, + .blank_check_memory = arm7_9_blank_check_memory, + + .run_algorithm = armv4_5_run_algorithm, + + .add_breakpoint = xscale_add_breakpoint, + .remove_breakpoint = xscale_remove_breakpoint, + .add_watchpoint = xscale_add_watchpoint, + .remove_watchpoint = xscale_remove_watchpoint, + + .register_commands = xscale_register_commands, + .target_create = xscale_target_create, + .init_target = xscale_init_target, + + .virt2phys = xscale_virt2phys, + .mmu = xscale_mmu +};