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Bugfixes and hardcoded naming

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- Make debugmode for exosphere mandatory
- Support dev RSA modulus for warmboot
- Fix a critical bug where it allowed free() to be used on a non-heap address.
- Better the makefile
This commit is contained in:
Kostas Missos
2019-03-08 00:19:04 +02:00
parent 4e7c39d6a0
commit 0ddc1c71a8
14 changed files with 127 additions and 123 deletions
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15
bootloader/hos/secmon_exo.c
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@@ -18,6 +18,7 @@
#include "hos.h"
#include "../mem/heap.h"
#include "../soc/fuse.h"
#include "../storage/sdmmc.h"
#include "../utils/types.h"
@@ -47,7 +48,7 @@ typedef struct _atm_meta_t
#define EXO_FLAG_DBG_PRIV (1 << 1)
#define EXO_FLAG_DBG_USER (1 << 2)
void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1, bool debug)
void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1)
{
u32 exoFwNo = 0;
u32 exoFlags = 0;
@@ -74,8 +75,8 @@ void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1, bool d
if (kb == KB_FIRMWARE_VERSION_620)
exoFlags |= EXO_FLAG_620_KGN;
if (debug)
exoFlags |= EXO_FLAG_DBG_PRIV;
// To avoid problems, make private debug mode always on.
exoFlags |= EXO_FLAG_DBG_PRIV;
// Set mailbox values.
exo_cfg_depr->magic = EXO_MAGIC_VAL;
@@ -87,6 +88,7 @@ void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1, bool d
exo_cfg_depr->flags = exoFlags;
exo_cfg->flags = exoFlags;
// If warmboot is lp0fw, add in RSA modulus.
volatile wb_cfg_t *wb_cfg = (wb_cfg_t *)(warmboot + ATM_WB_HEADER_OFF);
if (wb_cfg->magic == ATM_WB_MAGIC)
@@ -104,8 +106,11 @@ void config_exosphere(const char *id, u32 kb, void *warmboot, void *pkg1, bool d
sdmmc_storage_read(&storage, 1, 1, rsa_mod);
sdmmc_storage_end(&storage);
// Patch AutoRCM.
rsa_mod[0x10] = 0xF7;
// Patch AutoRCM out.
if ((fuse_read_odm(4) & 3) != 3)
rsa_mod[0x10] = 0xF7;
else
rsa_mod[0x10] = 0x37;
memcpy(warmboot + 0x10, rsa_mod + 0x10, 0x100);
}