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exosphere: support enabling usermode pmu regs (closes #703)

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This commit is contained in:
Michael Scire
2019-12-07 15:35:34 -08:00
parent ea49c2ccd1
commit 7e6ff1f327
9 changed files with 46 additions and 10 deletions
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4
fusee/fusee-secondary/src/exocfg.h
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@@ -13,7 +13,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FUSEE_EXOSPHERE_CONFIG_H
#define FUSEE_EXOSPHERE_CONFIG_H
@@ -30,6 +30,7 @@
#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_FLAG_ENABLE_USERMODE_PMU_ACCESS (1 << 4u)
#define EXOSPHERE_FLAGS_DEFAULT (EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV)
typedef struct {
@@ -48,5 +49,6 @@ _Static_assert(sizeof(exosphere_config_t) == 0x20 + sizeof(exo_emummc_config_t),
#define EXOSPHERE_DEBUGMODE_PRIV_KEY "debugmode"
#define EXOSPHERE_DEBUGMODE_USER_KEY "debugmode_user"
#define EXOSPHERE_DISABLE_USERMODE_EXCEPTION_HANDLERS_KEY "disable_user_exception_handlers"
#define EXOSPHERE_ENABLE_USERMODE_PMU_ACCESS_KEY "enable_user_pmu_access"
#endif

7
fusee/fusee-secondary/src/nxboot.c
View File

@@ -158,6 +158,13 @@ static int exosphere_ini_handler(void *user, const char *section, const char *na
} else {
exo_cfg->flags &= ~(EXOSPHERE_FLAG_DISABLE_USERMODE_EXCEPTION_HANDLERS);
}
} else if (strcmp(name, EXOSPHERE_ENABLE_USERMODE_PMU_ACCESS_KEY) == 0) {
sscanf(value, "%d", &tmp);
if (tmp) {
exo_cfg->flags |= EXOSPHERE_FLAG_ENABLE_USERMODE_PMU_ACCESS;
} else {
exo_cfg->flags &= ~(EXOSPHERE_FLAG_ENABLE_USERMODE_PMU_ACCESS);
}
} else {
return 0;
}