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freedreno/afuc: Replace readfile with os_read_file.

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Tested afuc-disasm produced same output.

$ ./builddir/src/freedreno/afuc/afuc-disasm -g 6 src/freedreno/.gitlab-ci/reference/afuc_test.fw > /tmp/afuc_test.asm
$ diff ./src/freedreno/.gitlab-ci/reference/afuc_test.asm /tmp/afuc_test.asm
$ echo $?
0

Suggested-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8290>
This commit is contained in:
Vinson Lee 2020-12-31 18:29:04 -08:00 • committed by Marge Bot
parent 18a0f07957
commit 03999595e7
1 changed files with 5 additions and 32 deletions
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37
src/freedreno/afuc/disasm.c
View file

@ -33,6 +33,8 @@
#include <assert.h>
#include <getopt.h>
#include "util/os_file.h"
#include "afuc.h"
#include "rnn.h"
#include "rnndec.h"
@ -773,36 +775,6 @@ static void disasm(uint32_t *buf, int sizedwords)
}
}
#define CHUNKSIZE 4096
static char * readfile(const char *path, int *sz)
{
char *buf = NULL;
int fd, ret, n = 0;
fd = open(path, O_RDONLY);
if (fd < 0) {
*sz = 0;
return NULL;
}
while (1) {
buf = realloc(buf, n + CHUNKSIZE);
ret = read(fd, buf + n, CHUNKSIZE);
if (ret < 0) {
free(buf);
*sz = 0;
return NULL;
} else if (ret < CHUNKSIZE) {
n += ret;
*sz = n;
return buf;
} else {
n += CHUNKSIZE;
}
}
}
static void usage(void)
{
fprintf(stderr, "Usage:\n"
@ -819,7 +791,8 @@ int main(int argc, char **argv)
uint32_t *buf;
char *file, *control_reg_name;
bool colors = false;
int sz, c;
size_t sz;
int c;
/* Argument parsing: */
while ((c = getopt (argc, argv, "g:vc")) != -1) {
@ -886,7 +859,7 @@ int main(int argc, char **argv)
rnndec_varadd(ctx, "chip", variant);
buf = (uint32_t *)readfile(file, &sz);
buf = (uint32_t *)os_read_file(file, &sz);
printf("; Disassembling microcode: %s\n", file);
printf("; Version: %08x\n\n", buf[1]);