diff options
Diffstat (limited to 'src/target/arm926ejs.c')
| -rw-r--r-- | src/target/arm926ejs.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c index 10061530..75d43fd8 100644 --- a/src/target/arm926ejs.c +++ b/src/target/arm926ejs.c @@ -53,6 +53,8 @@ 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 }; @@ -899,3 +903,42 @@ 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; +} |