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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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11
exosphere/src/configitem.c
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@@ -37,6 +37,7 @@
static bool g_hiz_mode_enabled = false;
static bool g_debugmode_override_user = false, g_debugmode_override_priv = false;
static bool g_enable_usermode_exception_handlers = true;
uint32_t configitem_set(bool privileged, ConfigItem item, uint64_t value) {
switch (item) {
@@ -163,6 +164,10 @@ void configitem_set_debugmode_override(bool user, bool priv) {
g_debugmode_override_priv = priv;
}
void configitem_disable_usermode_exception_handlers(void) {
g_enable_usermode_exception_handlers = false;
}
uint32_t configitem_get(bool privileged, ConfigItem item, uint64_t *p_outvalue) {
uint32_t result = 0;
switch (item) {
@@ -213,8 +218,10 @@ uint32_t configitem_get(bool privileged, ConfigItem item, uint64_t *p_outvalue)
case CONFIGITEM_KERNELCONFIGURATION:
{
uint64_t config = bootconfig_get_kernel_configuration();
/* Always enable usermode exception handlers. */
config |= KERNELCONFIGFLAG_ENABLE_USER_EXCEPTION_HANDLERS;
/* Enable usermode exception handlers by default. */
if (g_enable_usermode_exception_handlers) {
config |= KERNELCONFIGFLAG_ENABLE_USER_EXCEPTION_HANDLERS;
}
*p_outvalue = config;
}
break;