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Extended execute_fence to handle all harts

This commit is contained in:
cgsfv 2018-10-19 13:17:14 +02:00
parent d8b10c9137
commit 3b90919afb
1 changed files with 33 additions and 20 deletions
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43
src/target/riscv/riscv-013.c
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@ -1771,13 +1771,38 @@ static void write_to_buf(uint8_t *buffer, uint64_t value, unsigned size)
static int execute_fence(struct target *target) static int execute_fence(struct target *target)
{ {
int old_hartid = riscv_current_hartid(target);
/* FIXME: For non-coherent systems we need to flush the caches right
* here, but there's no ISA-defined way of doing that. */
{
struct riscv_program program; struct riscv_program program;
riscv_program_init(&program, target); riscv_program_init(&program, target);
riscv_program_fence_i(&program);
riscv_program_fence(&program); riscv_program_fence(&program);
int result = riscv_program_exec(&program, target); int result = riscv_program_exec(&program, target);
if (result != ERROR_OK) if (result != ERROR_OK)
LOG_ERROR("Unable to execute fence"); LOG_DEBUG("Unable to execute pre-fence");
return result; }
for (int i = 0; i < riscv_count_harts(target); ++i) {
if (!riscv_hart_enabled(target, i))
continue;
riscv_set_current_hartid(target, i);
struct riscv_program program;
riscv_program_init(&program, target);
riscv_program_fence_i(&program);
riscv_program_fence(&program);
int result = riscv_program_exec(&program, target);
if (result != ERROR_OK)
LOG_DEBUG("Unable to execute fence on hart %d", i);
}
riscv_set_current_hartid(target, old_hartid);
return ERROR_OK;
} }
static void log_memory_access(target_addr_t address, uint64_t value, static void log_memory_access(target_addr_t address, uint64_t value,
@ -3305,19 +3330,7 @@ int riscv013_dmi_write_u64_bits(struct target *target)
static int maybe_execute_fence_i(struct target *target) static int maybe_execute_fence_i(struct target *target)
{ {
RISCV013_INFO(info); return execute_fence(target);
RISCV_INFO(r);
if (info->progbufsize + r->impebreak >= 2) {
struct riscv_program program;
riscv_program_init(&program, target);
if (riscv_program_fence_i(&program) != ERROR_OK)
return ERROR_FAIL;
if (riscv_program_exec(&program, target) != ERROR_OK) {
LOG_ERROR("Failed to execute fence.i");
return ERROR_FAIL;
}
}
return ERROR_OK;
} }
/* Helper Functions. */ /* Helper Functions. */