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Just read abstractcs once when executing a command 

DebugBreakpoint went from 3.41s to 3.05s!

Change-Id: Icfc4ad5fb663b3607bf2027fda744b43be662fc5
This commit is contained in:
Tim Newsome 2018-04-05 17:59:07 -07:00
parent 11445b298a
commit 5c0a9a9ee4
1 changed files with 4 additions and 9 deletions
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13
src/target/riscv/riscv-013.c
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@ -670,17 +670,12 @@ static int execute_abstract_command(struct target *target, uint32_t command)
LOG_DEBUG("command=0x%x", command);
dmi_write(target, DMI_COMMAND, command);
{
uint32_t abstractcs = 0;
wait_for_idle(target, &abstractcs);
}
uint32_t abstractcs = 0;
wait_for_idle(target, &abstractcs);
uint32_t cs;
if (dmi_read(target, &cs, DMI_ABSTRACTCS) != ERROR_OK)
return ERROR_FAIL;
info->cmderr = get_field(cs, DMI_ABSTRACTCS_CMDERR);
info->cmderr = get_field(abstractcs, DMI_ABSTRACTCS_CMDERR);
if (info->cmderr != 0) {
LOG_DEBUG("command 0x%x failed; abstractcs=0x%x", command, cs);
LOG_DEBUG("command 0x%x failed; abstractcs=0x%x", command, abstractcs);
/* Clear the error. */
dmi_write(target, DMI_ABSTRACTCS, set_field(0, DMI_ABSTRACTCS_CMDERR,
info->cmderr));