diff options
Diffstat (limited to 'src/target/arm7_9_common.c')
| -rw-r--r-- | src/target/arm7_9_common.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c index cda99d84..35cbe6e5 100644 --- a/src/target/arm7_9_common.c +++ b/src/target/arm7_9_common.c @@ -25,6 +25,7 @@ #include "embeddedice.h" #include "target.h" +#include "target_request.h" #include "armv4_5.h" #include "arm_jtag.h" #include "jtag.h" @@ -589,6 +590,55 @@ int arm7_9_execute_fast_sys_speed(struct target_s *target) return ERROR_OK; } +int arm7_9_target_request_data(target_t *target, u32 size, u8 *buffer) +{ + armv4_5_common_t *armv4_5 = target->arch_info; + arm7_9_common_t *arm7_9 = armv4_5->arch_info; + arm_jtag_t *jtag_info = &arm7_9->jtag_info; + u32 *data; + int i; + + data = malloc(size * (sizeof(u32))); + + embeddedice_receive(jtag_info, data, size); + + for (i = 0; i < size; i++) + { + h_u32_to_le(buffer + (i * 4), data[i]); + } + + free(data); + + return ERROR_OK; +} + +int arm7_9_handle_target_request(void *priv) +{ + target_t *target = priv; + armv4_5_common_t *armv4_5 = target->arch_info; + arm7_9_common_t *arm7_9 = armv4_5->arch_info; + arm_jtag_t *jtag_info = &arm7_9->jtag_info; + reg_t *dcc_control = &arm7_9->eice_cache->reg_list[EICE_COMMS_CTRL]; + + if (target->state == TARGET_RUNNING) + { + /* read DCC control register */ + embeddedice_read_reg(dcc_control); + jtag_execute_queue(); + + /* check W bit */ + if (buf_get_u32(dcc_control->value, 1, 1) == 1) + { + u32 request; + + embeddedice_receive(jtag_info, &request, 1); + target_request(target, request); + } + } + + return ERROR_OK; +} + enum target_state arm7_9_poll(target_t *target) { int retval; @@ -2467,5 +2517,7 @@ int arm7_9_init_arch_info(target_t *target, arm7_9_common_t *arm7_9) armv4_5_init_arch_info(target, armv4_5); + target_register_timer_callback(arm7_9_handle_target_request, 1, 1, target); + return ERROR_OK; } |