X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Farm926ejs.c;h=ff73e1a12ac6f5d0f953d9c9f9a9439ebe7f2375;hb=a3f35e348e535c2610e67390d466f49c3f0d9f42;hp=ba974eb975184ca1ba969c471b265d355dae1c79;hpb=11ef6e64856eef2f7ad09af83128a78c01e01cf7;p=openocd.git diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c index ba974eb975..ff73e1a12a 100644 --- a/src/target/arm926ejs.c +++ b/src/target/arm926ejs.c @@ -49,10 +49,12 @@ int arm926ejs_handle_read_mmu_command(struct command_context_s *cmd_ctx, char *c int arm926ejs_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target); int arm926ejs_init_target(struct command_context_s *cmd_ctx, struct target_s *target); int arm926ejs_quit(); -int arm926ejs_arch_state(struct target_s *target, char *buf, int buf_size); +int arm926ejs_arch_state(struct target_s *target); int arm926ejs_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer); int arm926ejs_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer); int arm926ejs_soft_reset_halt(struct target_s *target); +static int arm926ejs_virt2phys(struct target_s *target, u32 virtual, u32 *physical); +static int arm926ejs_mmu(struct target_s *target, int *enabled); target_type_t arm926ejs_target = { @@ -89,7 +91,9 @@ target_type_t arm926ejs_target = .register_commands = arm926ejs_register_commands, .target_command = arm926ejs_target_command, .init_target = arm926ejs_init_target, - .quit = arm926ejs_quit + .quit = arm926ejs_quit, + .virt2phys = arm926ejs_virt2phys, + .mmu = arm926ejs_mmu }; @@ -169,7 +173,7 @@ int arm926ejs_cp15_read(target_t *target, u32 op1, u32 op2, u32 CRn, u32 CRm, u3 fields[3].in_handler = NULL; fields[3].in_handler_priv = NULL; - jtag_add_dr_scan(4, fields, -1, NULL); + jtag_add_dr_scan(4, fields, -1); fields[0].in_handler_priv = value; fields[0].in_handler = arm_jtag_buf_to_u32; @@ -179,7 +183,7 @@ int arm926ejs_cp15_read(target_t *target, u32 op1, u32 op2, u32 CRn, u32 CRm, u3 /* rescan with NOP, to wait for the access to complete */ access = 0; nr_w_buf = 0; - jtag_add_dr_scan(4, fields, -1, NULL); + jtag_add_dr_scan(4, fields, -1); jtag_execute_queue(); } while (buf_get_u32(&access, 0, 1) != 1); @@ -251,14 +255,14 @@ int arm926ejs_cp15_write(target_t *target, u32 op1, u32 op2, u32 CRn, u32 CRm, u fields[3].in_handler = NULL; fields[3].in_handler_priv = NULL; - jtag_add_dr_scan(4, fields, -1, NULL); + jtag_add_dr_scan(4, fields, -1); do { /* rescan with NOP, to wait for the access to complete */ access = 0; nr_w_buf = 0; - jtag_add_dr_scan(4, fields, -1, NULL); + jtag_add_dr_scan(4, fields, -1); jtag_execute_queue(); } while (buf_get_u32(&access, 0, 1) != 1); @@ -333,9 +337,11 @@ int arm926ejs_examine_debug_reason(target_t *target) default: ERROR("BUG: unknown debug reason: 0x%x", debug_reason); target->debug_reason = DBG_REASON_DBGRQ; + retval = ERROR_TARGET_FAILURE; + break; } - return ERROR_OK; + return retval; } u32 arm926ejs_get_ttb(target_t *target) @@ -530,7 +536,7 @@ int arm926ejs_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, return ERROR_OK; } -int arm926ejs_arch_state(struct target_s *target, char *buf, int buf_size) +int arm926ejs_arch_state(struct target_s *target) { armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; @@ -548,7 +554,7 @@ int arm926ejs_arch_state(struct target_s *target, char *buf, int buf_size) exit(-1); } - snprintf(buf, buf_size, + USER( "target halted in %s state due to %s, current mode: %s\n" "cpsr: 0x%8.8x pc: 0x%8.8x\n" "MMU: %s, D-Cache: %s, I-Cache: %s", @@ -698,6 +704,7 @@ int arm926ejs_target_command(struct command_context_s *cmd_ctx, char *cmd, char int chain_pos; char *variant = NULL; arm926ejs_common_t *arm926ejs = malloc(sizeof(arm926ejs_common_t)); + memset(arm926ejs, 0, sizeof(*arm926ejs)); if (argc < 4) { @@ -899,3 +906,42 @@ int arm926ejs_handle_mw_phys_command(command_context_t *cmd_ctx, char *cmd, char return armv4_5_mmu_handle_mw_phys_command(cmd_ctx, cmd, args, argc, target, &arm926ejs->armv4_5_mmu); } +static int arm926ejs_virt2phys(struct target_s *target, u32 virtual, u32 *physical) +{ + int retval; + int type; + u32 cb; + int domain; + u32 ap; + + armv4_5_common_t *armv4_5; + arm7_9_common_t *arm7_9; + arm9tdmi_common_t *arm9tdmi; + arm926ejs_common_t *arm926ejs; + retval= arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs); + if (retval != ERROR_OK) + { + return retval; + } + u32 ret = armv4_5_mmu_translate_va(target, &arm926ejs->armv4_5_mmu, virtual, &type, &cb, &domain, &ap); + if (type == -1) + { + return ret; + } + *physical = ret; + return ERROR_OK; +} + +static int arm926ejs_mmu(struct target_s *target, int *enabled) +{ + armv4_5_common_t *armv4_5 = target->arch_info; + arm926ejs_common_t *arm926ejs = armv4_5->arch_info; + + if (target->state != TARGET_HALTED) + { + ERROR("Target not halted"); + return ERROR_TARGET_INVALID; + } + *enabled = arm926ejs->armv4_5_mmu.mmu_enabled; + return ERROR_OK; +}