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image: Avoid #ifdefs for manual relocation

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Add a macro to handle manually relocating a pointer. Update the iamge code
to use this to avoid needing #ifdefs.

This also fixes a bug where the 'done' flag was not set.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-09-25 07:03:19 -06:00 committed by Tom Rini
parent 2ac00c0505
commit c5a68d29e3
2 changed files with 27 additions and 17 deletions
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38
common/image-sig.c
View file

@ -9,6 +9,7 @@
#include <asm/global_data.h>
DECLARE_GLOBAL_DATA_PTR;
#include <image.h>
#include <relocate.h>
#include <u-boot/ecdsa.h>
#include <u-boot/rsa.h>
#include <u-boot/hash-checksum.h>
@ -56,17 +57,19 @@ struct checksum_algo *image_get_checksum_algo(const char *full_name)
int i;
const char *name;
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
static bool done;
if (IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC)) {
static bool done;
if (!done) {
done = true;
for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
checksum_algos[i].name += gd->reloc_off;
checksum_algos[i].calculate += gd->reloc_off;
if (!done) {
done = true;
for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
struct checksum_algo *algo = &checksum_algos[i];
MANUAL_RELOC(algo->name);
MANUAL_RELOC(algo->calculate);
}
}
}
#endif
for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
name = checksum_algos[i].name;
@ -84,18 +87,19 @@ struct crypto_algo *image_get_crypto_algo(const char *full_name)
struct crypto_algo *crypto, *end;
const char *name;
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
static bool done;
if (IS_ENABLED(CONFIG_NEEDS_MANUAL_RELOC)) {
static bool done;
if (!done) {
crypto = ll_entry_start(struct crypto_algo, cryptos);
end = ll_entry_end(struct crypto_algo, cryptos);
for (; crypto < end; crypto++) {
crypto->name += gd->reloc_off;
crypto->verify += gd->reloc_off;
if (!done) {
done = true;
crypto = ll_entry_start(struct crypto_algo, cryptos);
end = ll_entry_end(struct crypto_algo, cryptos);
for (; crypto < end; crypto++) {
MANUAL_RELOC(crypto->name);
MANUAL_RELOC(crypto->verify);
}
}
}
#endif
/* Move name to after the comma */
name = strchr(full_name, ',');

6
include/relocate.h
View file

@ -57,4 +57,10 @@ static inline void *manual_reloc(void *ptr)
return ptr;
}
#if !defined(USE_HOSTCC) && defined(CONFIG_NEEDS_MANUAL_RELOC)
#define MANUAL_RELOC(ptr) (ptr) = manual_reloc(ptr)
#else
#define MANUAL_RELOC(ptr) (void)(ptr)
#endif
#endif /* _RELOCATE_H_ */