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Calculate midstate in separate function and remove likely/unlikely macros since they're dependent on pools, not code design.

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This commit is contained in:
Con Kolivas 2012-07-14 09:45:55 +10:00
parent 8230ab0549
commit 41daf99537
1 changed files with 25 additions and 20 deletions
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27
cgminer.c
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@ -1230,22 +1230,14 @@ static bool jobj_binary(const json_t *obj, const char *key,
return true;
}
static bool work_decode(const json_t *val, struct work *work)
static void calc_midstate(struct work *work)
{
if (unlikely(!jobj_binary(val, "data", work->data, sizeof(work->data), true))) {
applog(LOG_ERR, "JSON inval data");
goto err_out;
}
if (likely(!jobj_binary(val, "midstate",
work->midstate, sizeof(work->midstate), false))) {
applog(LOG_DEBUG, "Calculating midstate locally");
// Calculate it ourselves
union {
unsigned char c[64];
uint32_t i[16];
} data;
int swapcounter;
for (swapcounter = 0; swapcounter < 16; swapcounter++)
data.i[swapcounter] = swab32(((uint32_t*) (work->data))[swapcounter]);
sha2_context ctx;
@ -1257,9 +1249,22 @@ static bool work_decode(const json_t *val, struct work *work)
for (i = 0; i < 8; i++)
(((uint32_t*) (work->midstate))[i]) = swab32(((uint32_t*) (work->midstate))[i]);
#endif
}
static bool work_decode(const json_t *val, struct work *work)
{
if (unlikely(!jobj_binary(val, "data", work->data, sizeof(work->data), true))) {
applog(LOG_ERR, "JSON inval data");
goto err_out;
}
if (likely(!jobj_binary(val, "hash1", work->hash1, sizeof(work->hash1), false))) {
if (!jobj_binary(val, "midstate", work->midstate, sizeof(work->midstate), false)) {
// Calculate it ourselves
applog(LOG_DEBUG, "Calculating midstate locally");
calc_midstate(work);
}
if (!jobj_binary(val, "hash1", work->hash1, sizeof(work->hash1), false)) {
// Always the same anyway
memcpy(work->hash1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x80\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0", 64);
}