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Add timeout to another infinite loop.

This commit is contained in:
Tim Newsome 2017-09-11 11:35:47 -07:00
parent 16efac59af
commit a6ec1a0e68
1 changed files with 10 additions and 2 deletions
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12
src/target/riscv/riscv-013.c
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@ -574,7 +574,7 @@ static int wait_for_idle(struct target *target, uint32_t *abstractcs)
errors[info->cmderr], *abstractcs);
}
LOG_ERROR("Timed out after %ds waiting for busy to go low. (abstractcs=0x%x)"
LOG_ERROR("Timed out after %ds waiting for busy to go low (abstractcs=0x%x). "
"Increase the timeout with riscv set_command_timeout_sec.",
riscv_command_timeout_sec,
*abstractcs);
@ -1897,7 +1897,7 @@ void riscv013_reset_current_hart(struct target *target)
}
if (time(NULL) - start > riscv_reset_timeout_sec) {
LOG_ERROR("Hart didn't halt coming out of reset in %ds; "
"dmstatus=0x%x"
"dmstatus=0x%x; "
"Increase the timeout with riscv set_reset_timeout_sec.",
riscv_reset_timeout_sec, dmstatus);
return;
@ -2041,9 +2041,17 @@ int riscv013_debug_buffer_register(struct target *target, riscv_addr_t addr)
void riscv013_clear_abstract_error(struct target *target)
{
// Wait for busy to go away.
time_t start = time(NULL);
uint32_t abstractcs = dmi_read(target, DMI_ABSTRACTCS);
while (get_field(abstractcs, DMI_ABSTRACTCS_BUSY)) {
abstractcs = dmi_read(target, DMI_ABSTRACTCS);
if (time(NULL) - start > riscv_command_timeout_sec) {
LOG_ERROR("abstractcs.busy is not going low after %d seconds. "
"The target is either really slow, or broken. "
"abstractcs=0x%x", riscv_command_timeout_sec, abstractcs);
break;
}
}
// Clear the error status.
dmi_write(target, DMI_ABSTRACTCS, abstractcs & DMI_ABSTRACTCS_CMDERR);