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fusee/exo: add ability to disable user exception handlers

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please do not use this
yellows8 needs it to debug am, 99% of use cases want them on
This commit is contained in:
Michael Scire 2019-05-10 03:50:25 -07:00
parent 03a425a579
commit bb6cc6532b
8 changed files with 45 additions and 14 deletions
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10
fusee/fusee-secondary/src/exocfg.h
View file

@ -24,10 +24,11 @@
/* "EXO0" */
#define MAGIC_EXOSPHERE_CONFIG (0x304F5845)
#define EXOSPHERE_FLAGS_DEFAULT 0x00000000
#define EXOSPHERE_FLAG_PERFORM_620_KEYGEN (1 << 0u)
#define EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV (1 << 1u)
#define EXOSPHERE_FLAG_IS_DEBUGMODE_USER (1 << 2u)
#define EXOSPHERE_FLAG_PERFORM_620_KEYGEN (1 << 0u)
#define EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV (1 << 1u)
#define EXOSPHERE_FLAG_IS_DEBUGMODE_USER (1 << 2u)
#define EXOSPHERE_FLAG_DISABLE_USERMODE_EXCEPTION_HANDLERS (1 << 3u)
#define EXOSPHERE_FLAGS_DEFAULT (EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV)
typedef struct {
unsigned int magic;
@ -41,5 +42,6 @@ typedef struct {
#define EXOSPHERE_TARGETFW_KEY "target_firmware"
#define EXOSPHERE_DEBUGMODE_PRIV_KEY "debugmode"
#define EXOSPHERE_DEBUGMODE_USER_KEY "debugmode_user"
#define EXOSPHERE_DISABLE_USERMODE_EXCEPTION_HANDLERS_KEY "disable_user_exception_handlers"
#endif

13
fusee/fusee-secondary/src/nxboot.c
View file

@ -106,22 +106,27 @@ static int exosphere_ini_handler(void *user, const char *section, const char *na
if (strcmp(section, "exosphere") == 0) {
if (strcmp(name, EXOSPHERE_TARGETFW_KEY) == 0) {
sscanf(value, "%d", &exo_cfg->target_firmware);
}
if (strcmp(name, EXOSPHERE_DEBUGMODE_PRIV_KEY) == 0) {
} else if (strcmp(name, EXOSPHERE_DEBUGMODE_PRIV_KEY) == 0) {
sscanf(value, "%d", &tmp);
if (tmp) {
exo_cfg->flags |= EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV;
} else {
exo_cfg->flags &= ~(EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV);
}
}
if (strcmp(name, EXOSPHERE_DEBUGMODE_USER_KEY) == 0) {
} else if (strcmp(name, EXOSPHERE_DEBUGMODE_USER_KEY) == 0) {
sscanf(value, "%d", &tmp);
if (tmp) {
exo_cfg->flags |= EXOSPHERE_FLAG_IS_DEBUGMODE_USER;
} else {
exo_cfg->flags &= ~(EXOSPHERE_FLAG_IS_DEBUGMODE_USER);
}
} else if (strcmp(name, EXOSPHERE_DISABLE_USERMODE_EXCEPTION_HANDLERS_KEY) == 0) {
sscanf(value, "%d", &tmp);
if (tmp) {
exo_cfg->flags |= EXOSPHERE_FLAG_DISABLE_USERMODE_EXCEPTION_HANDLERS;
} else {
exo_cfg->flags &= ~(EXOSPHERE_FLAG_DISABLE_USERMODE_EXCEPTION_HANDLERS);
}
} else {
return 0;
}