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APT workaround when Home Menu is not launched, etc.

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TuxSH 2020-05-09 22:34:23 +01:00 committed by fincs
parent 8d64007d70
commit 9d27eb80de
2 changed files with 31 additions and 4 deletions
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12
libctru/include/3ds/os.h
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@ -103,6 +103,18 @@ static inline u32 osGetKernelVersion(void)
return (*(vu32*)0x1FF80000) & ~0xFF; return (*(vu32*)0x1FF80000) & ~0xFF;
} }
/// Gets the system's "core version" (2 on NATIVE_FIRM, 3 on SAFE_FIRM, etc.)
static inline u32 osGetSystemCoreVersion(void)
{
return *(vu32*)0x1FF80010;
}
/// Gets the system's memory layout ID (0-5 on Old 3DS, 6-8 on New 3DS)
static inline u32 osGetApplicationMemType(void)
{
return *(vu32*)0x1FF80030;
}
/** /**
* @brief Gets the size of the specified memory region. * @brief Gets the size of the specified memory region.
* @param region Memory region to check. * @param region Memory region to check.

23
libctru/source/services/apt.c
View File

@ -14,6 +14,7 @@
#include <3ds/ipc.h> #include <3ds/ipc.h>
#include <3ds/env.h> #include <3ds/env.h>
#include <3ds/thread.h> #include <3ds/thread.h>
#include <3ds/os.h>
#define APT_HANDLER_STACKSIZE (0x1000) #define APT_HANDLER_STACKSIZE (0x1000)
@ -188,6 +189,8 @@ Result aptInit(void)
if (AtomicPostIncrement(&aptRefCount)) return 0; if (AtomicPostIncrement(&aptRefCount)) return 0;
aptHomeAllowed = osGetSystemCoreVersion() == 2;
// Retrieve APT lock // Retrieve APT lock
ret = APT_GetLockHandle(0x0, &aptLockHandle); ret = APT_GetLockHandle(0x0, &aptLockHandle);
if (R_FAILED(ret)) goto _fail; if (R_FAILED(ret)) goto _fail;
@ -309,10 +312,22 @@ void aptExit(void)
{ {
if (!exited && aptIsChainload()) if (!exited && aptIsChainload())
{ {
u8 param[0x300] = {0}; // Check if Home Menu exists and has been launched
u8 hmac[0x20] = {0}; bool hmRegistered;
APT_PrepareToDoApplicationJump(0, aptChainloadTid, aptChainloadMediatype); if (R_SUCCEEDED(APT_IsRegistered(APPID_HOMEMENU, &hmRegistered)) && hmRegistered)
APT_DoApplicationJump(param, sizeof(param), hmac); {
// Normal, sane chainload
u8 param[0x300] = {0};
u8 hmac[0x20] = {0};
APT_PrepareToDoApplicationJump(0, aptChainloadTid, aptChainloadMediatype);
APT_DoApplicationJump(param, sizeof(param), hmac);
}
else
{
// Dirty workaround w/ custom notification
APT_Finalize(envGetAptAppId());
srvPublishToSubscriber(0x3000, 0);
}
while (aptMainLoop()) while (aptMainLoop())
svcSleepThread(25*1000*1000); svcSleepThread(25*1000*1000);
} }