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Merge pull request #858 from MarekVCodasip/register-cache-invalidate 

Add register cache flushing and invalidation to protobuf execution.
This commit is contained in:
Tim Newsome 2023-06-08 09:04:54 -07:00 committed by GitHub
parent e0dd44a53c 711ac4f0f0
commit c8d6ffa6f0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 9 deletions
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21
src/target/riscv/riscv.c
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@ -1511,7 +1511,7 @@ int riscv_flush_registers(struct target *target)
if (!target->reg_cache)
return ERROR_OK;
LOG_TARGET_DEBUG(target, "");
LOG_TARGET_DEBUG(target, "Flushing register cache");
/* Writing non-GPR registers may require progbuf execution, and some GPRs
* may become dirty in the process (e.g. S0, S1). For that reason, flush
@ -4078,10 +4078,17 @@ COMMAND_HANDLER(riscv_exec_progbuf)
return ERROR_FAIL;
}
if (riscv_program_exec(&prog, target) == ERROR_OK)
LOG_TARGET_DEBUG(target, "exec_progbuf: Program buffer execution successful.");
else
if (riscv_flush_registers(target) != ERROR_OK)
return ERROR_FAIL;
int error = riscv_program_exec(&prog, target);
riscv_invalidate_register_cache(target);
if (error != ERROR_OK) {
LOG_TARGET_ERROR(target, "exec_progbuf: Program buffer execution failed.");
return ERROR_FAIL;
}
LOG_TARGET_DEBUG(target, "exec_progbuf: Program buffer execution successful.");
return ERROR_OK;
}
@ -4565,12 +4572,8 @@ static void riscv_invalidate_register_cache(struct target *target)
if (!target->reg_cache)
return;
LOG_DEBUG("[%d]", target->coreid);
LOG_TARGET_DEBUG(target, "Invalidating register cache");
register_cache_invalidate(target->reg_cache);
for (size_t i = 0; i < target->reg_cache->num_regs; ++i) {
struct reg *reg = &target->reg_cache->reg_list[i];
reg->valid = false;
}
}