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tinyriscv-openocd
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Can successfully run to a swbp.

__archive__
Tim Newsome 2016-06-09 17:26:41 -07:00
parent c364bd0ab5
commit 0881092d9b
1 changed files with 21 additions and 0 deletions
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21
src/target/riscv/riscv.c
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@ -862,6 +862,9 @@ static int riscv_poll(struct target *target)
target->state = TARGET_DEBUG_RUNNING; target->state = TARGET_DEBUG_RUNNING;
LOG_DEBUG("debug running"); LOG_DEBUG("debug running");
} else if (bits.haltnot && !bits.interrupt) { } else if (bits.haltnot && !bits.interrupt) {
if (target->state != TARGET_HALTED) {
target_call_event_callbacks(target, TARGET_EVENT_HALTED);
}
target->state = TARGET_HALTED; target->state = TARGET_HALTED;
uint32_t dpc; uint32_t dpc;
@ -1277,6 +1280,23 @@ int riscv_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
return ERROR_OK; return ERROR_OK;
} }
static int riscv_remove_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
if (breakpoint->type != BKPT_SOFT) {
LOG_INFO("OpenOCD only supports software breakpoints.");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
if (target_write_memory(target, breakpoint->address, breakpoint->length, 1,
breakpoint->orig_instr) != ERROR_OK) {
LOG_ERROR("Failed to restore instruction for %d-byte breakpoint at 0x%x",
breakpoint->length, breakpoint->address);
return ERROR_FAIL;
}
return ERROR_OK;
}
struct target_type riscv_target = struct target_type riscv_target =
{ {
.name = "riscv", .name = "riscv",
@ -1301,4 +1321,5 @@ struct target_type riscv_target =
.get_gdb_reg_list = riscv_get_gdb_reg_list, .get_gdb_reg_list = riscv_get_gdb_reg_list,
.add_breakpoint = riscv_add_breakpoint, .add_breakpoint = riscv_add_breakpoint,
.remove_breakpoint = riscv_remove_breakpoint,
}; };