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Add exceptions, start file menu

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This commit is contained in:
SuchMemeManySkill
2020-12-25 21:16:24 +01:00
parent 1a931b0256
commit 9588ffb89a
13 changed files with 215 additions and 46 deletions
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69
source/main.c
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@@ -48,6 +48,7 @@
#include "tegraexplorer/mainmenu.h"
#include "tegraexplorer/tconf.h"
#include "err.h"
#include <soc/pmc.h>
hekate_config h_cfg;
@@ -154,6 +155,70 @@ int launch_payload(char *path)
extern void pivot_stack(u32 stack_top);
#define EXCP_EN_ADDR 0x4003FFFC
#define EXCP_MAGIC 0x30505645 // EVP0
#define EXCP_TYPE_ADDR 0x4003FFF8
#define EXCP_TYPE_RESET 0x545352 // RST
#define EXCP_TYPE_UNDEF 0x464455 // UDF
#define EXCP_TYPE_PABRT 0x54424150 // PABT
#define EXCP_TYPE_DABRT 0x54424144 // DABT
#define EXCP_LR_ADDR 0x4003FFF4
static inline void _show_errors()
{
u32 *excp_enabled = (u32 *)EXCP_EN_ADDR;
u32 *excp_type = (u32 *)EXCP_TYPE_ADDR;
u32 *excp_lr = (u32 *)EXCP_LR_ADDR;
if (*excp_enabled == EXCP_MAGIC)
h_cfg.errors |= ERR_EXCEPTION;
if (h_cfg.errors)
{
/*
if (h_cfg.errors & ERR_SD_BOOT_EN)
WPRINTF("Failed to mount SD!\n");
if (h_cfg.errors & ERR_LIBSYS_LP0)
WPRINTF("Missing LP0 (sleep mode) lib!\n");
if (h_cfg.errors & ERR_LIBSYS_MTC)
WPRINTF("Missing or old Minerva lib!\n");
if (h_cfg.errors & (ERR_LIBSYS_LP0 | ERR_LIBSYS_MTC))
WPRINTF("\nUpdate bootloader folder!\n\n");
*/
if (h_cfg.errors & ERR_EXCEPTION)
{
gfx_clearscreen();
WPRINTFARGS("LR %08X", *excp_lr);
u16 exception = TE_EXCEPTION_RESET;
/*
switch (*excp_type)
{
case EXCP_TYPE_RESET:
exception = TE_EXCEPTION_RESET;
break;
case EXCP_TYPE_UNDEF:
exception = TE_EXCEPTION_UNDEFINED;
break;
case EXCP_TYPE_PABRT:
exception = TE_EXCEPTION_PREF_ABORT;
break;
case EXCP_TYPE_DABRT:
exception = TE_EXCEPTION_DATA_ABORT;
break;
}*/
// Clear the exception.
*excp_enabled = 0;
DrawError(newErrCode(exception));
}
}
}
void ipl_main()
{
// Do initial HW configuration. This is compatible with consecutive reruns without a reset.
@@ -212,6 +277,10 @@ void ipl_main()
//gfx_clearscreen();
//DrawError(newErrCode(1));
// TODO: Write exceptions in err.c and check them here
_show_errors();
EnterMainMenu();
// Halt BPMP if we managed to get out of execution.