diff options
Diffstat (limited to 'src/target/arm920t.c')
| -rw-r--r-- | src/target/arm920t.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/target/arm920t.c b/src/target/arm920t.c index 835e4ee1..25560024 100644 --- a/src/target/arm920t.c +++ b/src/target/arm920t.c @@ -46,6 +46,10 @@ int arm920t_init_target(struct command_context_s *cmd_ctx, struct target_s *targ #define ARM920T_CP15_PHYS_ADDR(x, y, z) ((x << 5) | (y << 1) << (z)) +static int arm920t_mrc(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value); +static int arm920t_mcr(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value); + + target_type_t arm920t_target = { .name = "arm920t", @@ -84,6 +88,8 @@ target_type_t arm920t_target = .target_create = arm920t_target_create, .init_target = arm920t_init_target, .examine = arm9tdmi_examine, + .mrc = arm920t_mrc, + .mcr = arm920t_mcr, }; int arm920t_read_cp15_physical(target_t *target, int reg_addr, uint32_t *value) @@ -1407,3 +1413,26 @@ int arm920t_handle_cache_info_command(struct command_context_s *cmd_ctx, char *c return armv4_5_handle_cache_info_command(cmd_ctx, &arm920t->armv4_5_mmu.armv4_5_cache); } + + +static int arm920t_mrc(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value) +{ + if (cpnum!=15) + { + LOG_ERROR("Only cp15 is supported"); + return ERROR_FAIL; + } + + return arm920t_read_cp15_interpreted(target, mrc_opcode(cpnum, op1, op2, CRn, CRm), 0, value); +} + +static int arm920t_mcr(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value) +{ + if (cpnum!=15) + { + LOG_ERROR("Only cp15 is supported"); + return ERROR_FAIL; + } + + return arm920t_write_cp15_interpreted(target, mrc_opcode(cpnum, op1, op2, CRn, CRm), 0, value); +} |