X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fxscale.c;h=e18d5916a3135b2ae8dc33ad3419904a8d580c47;hb=89870c86e7aafd81a5720fcfd30002d24d26b232;hp=fca578d320785f5a06c8ee8b3064c75fc1001373;hpb=9f6c23f47932eba99acd90949d0388e5ef1fbe35;p=openocd.git diff --git a/src/target/xscale.c b/src/target/xscale.c index fca578d320..e18d5916a3 100644 --- a/src/target/xscale.c +++ b/src/target/xscale.c @@ -42,7 +42,7 @@ * 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 documentats. + * details to chip-specific microarchitecture documents. * * Hot-Debug for Intel XScale® Core Debug White Paper, May 2005 * Document Number: 273539-005 @@ -69,6 +69,17 @@ 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 */ @@ -133,28 +144,15 @@ static int xscale_set_reg_u32(reg_t *reg, uint32_t value) return xscale_set_reg(reg, buf); } +static const char xscale_not[] = "target is not an XScale"; -static int xscale_get_arch_pointers(target_t *target, - armv4_5_common_t **armv4_5_p, xscale_common_t **xscale_p) +static int xscale_verify_pointer(struct command_context_s *cmd_ctx, + struct xscale_common_s *xscale) { - armv4_5_common_t *armv4_5 = target->arch_info; - xscale_common_t *xscale = armv4_5->arch_info; - - if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC) - { - LOG_ERROR("target isn't an XScale target"); - return -1; - } - - if (xscale->common_magic != XSCALE_COMMON_MAGIC) - { - LOG_ERROR("target isn't an XScale target"); - return -1; + if (xscale->common_magic != XSCALE_COMMON_MAGIC) { + command_print(cmd_ctx, xscale_not); + return ERROR_TARGET_INVALID; } - - *armv4_5_p = armv4_5; - *xscale_p = xscale; - return ERROR_OK; } @@ -166,21 +164,15 @@ static int xscale_jtag_set_instr(jtag_tap_t *tap, uint32_t new_instr) 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); - uint8_t tmp[4]; - field.in_value = tmp; - jtag_add_ir_scan(1, &field, jtag_get_end_state()); - - /* FIX!!!! isn't this check superfluous? verify_ircapture handles this? */ - jtag_check_value_mask(&field, tap->expected, tap->expected_mask); - - free(field.out_value); } return ERROR_OK; @@ -188,11 +180,8 @@ static int xscale_jtag_set_instr(jtag_tap_t *tap, uint32_t new_instr) 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]; uint8_t field0 = 0x0; uint8_t field0_check_value = 0x2; @@ -207,6 +196,8 @@ static int xscale_read_dcsr(target_t *target) buf_set_u32(&field0, 1, 1, xscale->hold_rst); buf_set_u32(&field0, 2, 1, xscale->external_debug_break); + memset(&fields, 0, sizeof fields); + fields[0].tap = target->tap; fields[0].num_bits = 3; fields[0].out_value = &field0; @@ -215,7 +206,6 @@ static int xscale_read_dcsr(target_t *target) 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 = target->tap; @@ -277,30 +267,24 @@ static int xscale_receive(target_t *target, uint32_t *buffer, int num_words) 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; + memset(&fields, 0, sizeof fields); + fields[0].tap = target->tap; fields[0].num_bits = 3; - fields[0].out_value = NULL; - fields[0].in_value = NULL; fields[0].check_value = &field0_check_value; fields[0].check_mask = &field0_check_mask; fields[1].tap = target->tap; fields[1].num_bits = 32; - fields[1].out_value = NULL; - fields[1].check_value = NULL; - fields[1].check_mask = NULL; fields[2].tap = target->tap; fields[2].num_bits = 1; - fields[2].out_value = NULL; - fields[2].in_value = NULL; fields[2].check_value = &field2_check_value; fields[2].check_mask = &field2_check_mask; @@ -373,14 +357,11 @@ static int xscale_receive(target_t *target, uint32_t *buffer, int num_words) 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]; uint8_t field0_in = 0x0; uint8_t field0_check_value = 0x2; @@ -403,19 +384,18 @@ static int xscale_read_tx(target_t *target, int consume) noconsume_path[4] = TAP_DREXIT2; noconsume_path[5] = TAP_DRSHIFT; + 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 = 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 = target->tap; fields[2].num_bits = 1; - fields[2].out_value = NULL; uint8_t tmp; fields[2].in_value = &tmp; @@ -475,12 +455,9 @@ static int xscale_read_tx(target_t *target, int consume) 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]; uint8_t field0_out = 0x0; uint8_t field0_in = 0x0; @@ -494,6 +471,8 @@ static int xscale_write_rx(target_t *target) xscale_jtag_set_instr(target->tap, XSCALE_DBGRX); + memset(&fields, 0, sizeof fields); + fields[0].tap = target->tap; fields[0].num_bits = 3; fields[0].out_value = &field0_out; @@ -502,7 +481,6 @@ static int xscale_write_rx(target_t *target) 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 = target->tap; fields[2].num_bits = 1; @@ -626,8 +604,7 @@ static int xscale_send(target_t *target, uint8_t *buffer, int count, int size) 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); @@ -635,11 +612,8 @@ static int xscale_send_u32(target_t *target, uint32_t value) 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]; uint8_t field0 = 0x0; uint8_t field0_check_value = 0x2; @@ -660,6 +634,8 @@ static int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) buf_set_u32(&field0, 1, 1, xscale->hold_rst); buf_set_u32(&field0, 2, 1, xscale->external_debug_break); + memset(&fields, 0, sizeof fields); + fields[0].tap = target->tap; fields[0].num_bits = 3; fields[0].out_value = &field0; @@ -669,7 +645,6 @@ static int xscale_write_dcsr(target_t *target, int hold_rst, int ext_dbg_brk) 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 = target->tap; fields[2].num_bits = 1; @@ -728,15 +703,15 @@ static int xscale_load_ic(target_t *target, uint32_t va, uint32_t buffer[8]) /* virtual address of desired cache line */ buf_set_u32(packet, 0, 27, va >> 5); + 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 = target->tap; fields[1].num_bits = 27; fields[1].out_value = packet; - fields[1].in_value = NULL; jtag_add_dr_scan(2, fields, jtag_get_end_state()); @@ -776,15 +751,15 @@ static int xscale_invalidate_ic_line(target_t *target, uint32_t va) /* virtual address of desired cache line */ buf_set_u32(packet, 0, 27, va >> 5); + 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 = target->tap; fields[1].num_bits = 27; fields[1].out_value = packet; - fields[1].in_value = NULL; jtag_add_dr_scan(2, fields, jtag_get_end_state()); @@ -793,8 +768,7 @@ static int xscale_invalidate_ic_line(target_t *target, uint32_t va) 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; @@ -858,8 +832,8 @@ static int xscale_update_vectors(target_t *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; static const char *state[] = { @@ -897,8 +871,6 @@ static int xscale_arch_state(struct target_s *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; if ((target->state == TARGET_RUNNING) || (target->state == TARGET_DEBUG_RUNNING)) { @@ -907,8 +879,6 @@ static 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 */ @@ -940,13 +910,12 @@ static int xscale_poll(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; + 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; - uint32_t moe; /* clear external dbg break (will be written on next DCSR read) */ @@ -1121,8 +1090,7 @@ static int xscale_debug_entry(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", target_state_name(target)); @@ -1156,8 +1124,7 @@ static int xscale_halt(target_t *target) 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; @@ -1184,8 +1151,7 @@ static int xscale_enable_single_step(struct target_s *target, uint32_t next_pc) 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; @@ -1223,12 +1189,10 @@ static void xscale_enable_breakpoints(struct target_s *target) static int xscale_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) { - 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; breakpoint_t *breakpoint = target->breakpoints; - uint32_t current_pc; - int retval; int i; @@ -1372,17 +1336,14 @@ static int xscale_resume(struct target_s *target, int current, LOG_DEBUG("target resumed"); - xscale->handler_running = 1; - return ERROR_OK; } 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; - + 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; @@ -1461,7 +1422,7 @@ static int xscale_step_inner(struct target_s *target, int current, 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; uint32_t current_pc; @@ -1515,8 +1476,7 @@ static int xscale_step(struct target_s *target, int current, 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", target_state_name(target)); @@ -1557,17 +1517,7 @@ static int xscale_assert_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; - uint32_t address; - uint32_t binary_size; - - uint32_t buf_cnt; - uint32_t i; - int retval; - + struct xscale_common_s *xscale = target_to_xscale(target); breakpoint_t *breakpoint = target->breakpoints; LOG_DEBUG("-"); @@ -1590,8 +1540,23 @@ static 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); @@ -1606,36 +1571,22 @@ static 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) { uint32_t cache_line[8]; - uint8_t buffer[32]; - - if ((retval = fileio_read(&debug_handler, 32, buffer, &buf_cnt)) != ERROR_OK) - { + unsigned i; - } + buf_cnt = binary_size; + if (buf_cnt > 32) + buf_cnt = 32; for (i = 0; i < buf_cnt; i += 4) { @@ -1651,15 +1602,23 @@ static int xscale_deassert_reset(target_t *target) /* only load addresses other than the reset vectors */ if ((address % 0x400) != 0x0) { - xscale_load_ic(target, 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, 0x0, xscale->low_vectors); - xscale_load_ic(target, 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, jtag_set_end_state(TAP_IDLE)); @@ -1685,12 +1644,6 @@ static 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; @@ -1712,7 +1665,7 @@ static int xscale_write_core_reg(struct target_s *target, int num, static int xscale_full_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); uint32_t *buffer; @@ -1788,7 +1741,7 @@ static int xscale_full_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; @@ -1856,8 +1809,7 @@ static int xscale_restore_context(target_t *target) 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; + struct xscale_common_s *xscale = target_to_xscale(target); uint32_t *buf32; uint32_t i; int retval; @@ -1936,8 +1888,7 @@ static int xscale_read_memory(struct target_s *target, uint32_t address, 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%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32, address, size, count); @@ -2020,8 +1971,7 @@ static int xscale_bulk_write_memory(target_t *target, uint32_t address, 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; + struct xscale_common_s *xscale = target_to_xscale(target); uint32_t ttb; xscale_get_reg(&xscale->reg_cache->reg_list[XSCALE_TTB]); @@ -2033,8 +1983,7 @@ static uint32_t xscale_get_ttb(target_t *target) 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; + struct xscale_common_s *xscale = target_to_xscale(target); uint32_t cp15_control; /* read cp15 control register */ @@ -2073,8 +2022,7 @@ static void xscale_disable_mmu_caches(target_t *target, int mmu, 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; + struct xscale_common_s *xscale = target_to_xscale(target); uint32_t cp15_control; /* read cp15 control register */ @@ -2101,8 +2049,7 @@ 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) { @@ -2174,8 +2121,7 @@ static int xscale_set_breakpoint(struct target_s *target, 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) { @@ -2207,8 +2153,7 @@ 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) { @@ -2261,8 +2206,7 @@ static int xscale_unset_breakpoint(struct target_s *target, 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) { @@ -2284,8 +2228,7 @@ static int xscale_remove_breakpoint(struct target_s *target, breakpoint_t *break 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; + struct xscale_common_s *xscale = target_to_xscale(target); uint8_t enable = 0; reg_t *dbcon = &xscale->reg_cache->reg_list[XSCALE_DBCON]; uint32_t dbcon_value = buf_get_u32(dbcon->value, 0, 32); @@ -2341,8 +2284,7 @@ static int xscale_set_watchpoint(struct target_s *target, 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) { @@ -2368,8 +2310,7 @@ static int xscale_add_watchpoint(struct target_s *target, 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]; uint32_t dbcon_value = buf_get_u32(dbcon->value, 0, 32); @@ -2404,8 +2345,7 @@ static int xscale_unset_watchpoint(struct target_s *target, 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) { @@ -2427,8 +2367,7 @@ 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) @@ -2473,8 +2412,7 @@ 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; + 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 */ @@ -2516,9 +2454,7 @@ static int xscale_set_reg(reg_t *reg, uint8_t* buf) 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; @@ -2537,9 +2473,8 @@ static int xscale_write_dcsr_sw(target_t *target, uint32_t value) 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 @@ -2617,9 +2552,7 @@ static int xscale_read_trace(target_t *target) 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; uint32_t size_read; @@ -2699,9 +2632,7 @@ static int xscale_branch_address(xscale_trace_data_t *trace_data, 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; uint32_t next_pc = 0x0; xscale_trace_data_t *trace_data = xscale->trace.data; @@ -2888,10 +2819,8 @@ static int xscale_analyze_trace(target_t *target, command_context_t *cmd_ctx) 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; @@ -2938,12 +2867,6 @@ static int xscale_init_target(struct command_context_s *cmd_ctx, return ERROR_OK; } -static int xscale_quit(void) -{ - jtag_add_runtest(100, TAP_RESET); - return ERROR_OK; -} - static int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t *tap, const char *variant) { @@ -2954,7 +2877,6 @@ static int xscale_init_arch_info(target_t *target, armv4_5 = &xscale->armv4_5_common; /* store architecture specfic data (none so far) */ - xscale->arch_info = NULL; xscale->common_magic = XSCALE_COMMON_MAGIC; /* we don't really *need* variant info ... */ @@ -2982,8 +2904,6 @@ static int xscale_init_arch_info(target_t *target, } /* 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 */ @@ -3056,6 +2976,11 @@ static int xscale_target_create(struct target_s *target, Jim_Interp *interp) { xscale_common_t *xscale; + if (sizeof xscale_debug_handler - 1 > 0x800) { + LOG_ERROR("debug_handler.bin: larger than 2kb"); + return ERROR_FAIL; + } + xscale = calloc(1, sizeof(*xscale)); if (!xscale) return ERROR_FAIL; @@ -3064,14 +2989,11 @@ static int xscale_target_create(struct target_s *target, Jim_Interp *interp) target->variant); } -static 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; - + int retval; uint32_t handler_address; if (argc < 2) @@ -3086,12 +3008,12 @@ xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, 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))) @@ -3107,14 +3029,11 @@ xscale_handle_debug_handler_command(struct command_context_s *cmd_ctx, return ERROR_OK; } -static 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; - + int retval; uint32_t cache_clean_address; if (argc < 2) @@ -3128,13 +3047,12 @@ xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx, 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; - if (xscale_get_arch_pointers(target, &armv4_5, &xscale) != ERROR_OK) - { - return ERROR_FAIL; - } - - cache_clean_address = strtoul(args[1], NULL, 0); + COMMAND_PARSE_NUMBER(u32, args[1], cache_clean_address); if (cache_clean_address & 0xffff) { @@ -3148,18 +3066,15 @@ xscale_handle_cache_clean_address_command(struct command_context_s *cmd_ctx, return ERROR_OK; } -static 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); } @@ -3167,18 +3082,17 @@ xscale_handle_cache_info_command(struct command_context_s *cmd_ctx, 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; uint32_t cb; int domain; 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; } + uint32_t ret = armv4_5_mmu_translate_va(target, &xscale->armv4_5_mmu, virtual, &type, &cb, &domain, &ap); if (type == -1) { @@ -3190,8 +3104,7 @@ static int xscale_virt2phys(struct target_s *target, 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) { @@ -3202,21 +3115,19 @@ static int xscale_mmu(struct target_s *target, int *enabled) return ERROR_OK; } -static 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; } @@ -3239,28 +3150,26 @@ static int xscale_handle_mmu_command(command_context_t *cmd_ctx, return ERROR_OK; } -static 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) @@ -3294,17 +3203,15 @@ static int xscale_handle_idcache_command(command_context_t *cmd_ctx, return ERROR_OK; } -static 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) { @@ -3312,7 +3219,7 @@ static int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, } 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); } @@ -3323,18 +3230,16 @@ static int xscale_handle_vector_catch_command(command_context_t *cmd_ctx, } -static int xscale_handle_vector_table_command(command_context_t *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; + struct xscale_common_s *xscale = target_to_xscale(target); int err = 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 (argc == 0) /* print current settings */ { @@ -3355,9 +3260,9 @@ static int xscale_handle_vector_table_command(command_context_t *cmd_ctx, else { int idx; + COMMAND_PARSE_NUMBER(int, args[1], idx); uint32_t vec; - idx = strtoul(args[1], NULL, 0); - vec = strtoul(args[2], NULL, 0); + COMMAND_PARSE_NUMBER(u32, args[2], vec); if (idx < 1 || idx >= 8) err = 1; @@ -3383,23 +3288,21 @@ static int xscale_handle_vector_table_command(command_context_t *cmd_ctx, } -static int -xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, - char *cmd, char **args, int argc) +COMMAND_HANDLER(xscale_handle_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); + struct armv4_5_common_s *armv4_5 = &xscale->armv4_5_common; uint32_t dcsr_value; + 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; } @@ -3428,10 +3331,10 @@ xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, 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)) { @@ -3464,13 +3367,11 @@ xscale_handle_trace_buffer_command(struct command_context_s *cmd_ctx, return ERROR_OK; } -static 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) { @@ -3478,12 +3379,9 @@ xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, 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) { @@ -3500,7 +3398,7 @@ xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, 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 { @@ -3517,23 +3415,21 @@ xscale_handle_trace_image_command(struct command_context_s *cmd_ctx, return ERROR_OK; } -static 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; } @@ -3576,46 +3472,41 @@ static int xscale_handle_dump_trace_command(struct command_context_s *cmd_ctx, return ERROR_OK; } -static 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; } -static 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; } uint32_t reg_no = 0; reg_t *reg = NULL; 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) { @@ -3661,8 +3552,8 @@ static int xscale_handle_cp15(command_context_t *cmd_ctx, } else if (argc == 2) { - - uint32_t 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); @@ -3750,7 +3641,6 @@ target_type_t xscale_target = .register_commands = xscale_register_commands, .target_create = xscale_target_create, .init_target = xscale_init_target, - .quit = xscale_quit, .virt2phys = xscale_virt2phys, .mmu = xscale_mmu