util/nvmutil: remove useless gbe variable

use buf directly

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-03 01:50:21 +00:00
parent a7cc8143a7
commit d9c307d5a3
+5 -9
View File
@@ -41,7 +41,6 @@ uint16_t word(int, int);
uint8_t buf[SIZE_8KB];
uint16_t mac[3] = {0, 0, 0};
size_t partsize;
uint8_t *gbe[2];
int flags, rfd, fd, part, e = 1;
const char *strMac = NULL, *strRMac = "xx:xx:xx:xx:xx:xx", *fname = NULL;
@@ -186,9 +185,6 @@ xopen(int *f, const char *l, int p, struct stat *st)
void
readGbe(void)
{
gbe[0] = buf;
gbe[1] = buf + SIZE_4KB;
for (int p = 0; p < 2; p++)
readGbe_part(p);
}
@@ -196,7 +192,7 @@ readGbe(void)
void
readGbe_part(int p)
{
if (pread(fd, (uint8_t *) gbe[p], SIZE_4KB, p * partsize) != SIZE_4KB)
if (pread(fd, buf + (SIZE_4KB * p), SIZE_4KB, p * partsize) != SIZE_4KB)
err(set_err(ECANCELED),
"Can't read %d b from '%s' p%d", SIZE_4KB, fname, p);
swap(p); /* handle big-endian host CPU */
@@ -391,14 +387,14 @@ uint16_t
word(int pos16, int p)
{
check_bounds(pos16, p);
return ((uint16_t *) gbe[p])[pos16];
return ((uint16_t *) (buf + (SIZE_4KB * p)))[pos16];
}
void
setWord(int pos16, int p, uint16_t val16)
{
check_bounds(pos16, p);
((uint16_t *) gbe[p])[pos16] = val16;
((uint16_t *) (buf + (SIZE_4KB * p)))[pos16] = val16;
}
void
@@ -423,7 +419,7 @@ void
writeGbe_part(int p)
{
swap(p); /* swap bytes on big-endian host CPUs */
if(pwrite(fd, (uint8_t *) gbe[p], SIZE_4KB, p * partsize) != SIZE_4KB)
if(pwrite(fd, buf + (SIZE_4KB * p), SIZE_4KB, p * partsize) != SIZE_4KB)
err(set_err(ECANCELED),
"Can't write %d b to '%s' p%d", SIZE_4KB, fname, p);
}
@@ -431,7 +427,7 @@ writeGbe_part(int p)
void
swap(int partnum)
{
uint8_t *n = gbe[partnum];
uint8_t *n = buf + (SIZE_4KB * partnum);
for (size_t w = NVM_SIZE * ((uint8_t *) &e)[0], x = 1;
w < NVM_SIZE; w += 2, x += 2) {