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Show console output for kernel access attempts.

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This commit is contained in:
Steveice10 2016-12-13 19:19:27 -08:00
parent 256c19c3cc
commit e1d2805281
3 changed files with 34 additions and 0 deletions
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17
source/core/util.c
View File

@ -1,3 +1,4 @@
#include <sys/iosupport.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -52,7 +53,23 @@ static int util_get_lines(PrintConsole* console, const char* str) {
return lines; return lines;
} }
static const devoptab_t* consoleStdOut = NULL;
static const devoptab_t* consoleStdErr = NULL;
void util_store_console_std() {
consoleStdOut = devoptab_list[STD_OUT];
consoleStdErr = devoptab_list[STD_ERR];
}
void util_panic(const char* s, ...) { void util_panic(const char* s, ...) {
if(consoleStdOut != NULL) {
devoptab_list[STD_OUT] = consoleStdOut;
}
if(consoleStdErr != NULL) {
devoptab_list[STD_ERR] = consoleStdErr;
}
va_list list; va_list list;
va_start(list, s); va_start(list, s);

1
source/core/util.h
View File

@ -38,6 +38,7 @@ typedef struct {
u16 animationSequence[0x40]; u16 animationSequence[0x40];
} BNR; } BNR;
void util_store_console_std();
void util_panic(const char* s, ...); void util_panic(const char* s, ...);
FS_Path* util_make_path_utf8(const char* path); FS_Path* util_make_path_utf8(const char* path);

16
source/main.c
View File

@ -1,4 +1,6 @@
#include <sys/iosupport.h>
#include <malloc.h> #include <malloc.h>
#include <stdio.h>
#include <3ds.h> #include <3ds.h>
@ -86,7 +88,21 @@ void init() {
} }
if(R_FAILED(init_services())) { if(R_FAILED(init_services())) {
const devoptab_t* oldStdOut = devoptab_list[STD_OUT];
const devoptab_t* oldStdErr = devoptab_list[STD_ERR];
consoleInit(GFX_TOP, NULL);
util_store_console_std();
printf("Attempting to acquire kernel access...");
svchax_init(true); svchax_init(true);
devoptab_list[STD_OUT] = oldStdOut;
devoptab_list[STD_ERR] = oldStdErr;
gfxSetScreenFormat(GFX_TOP, GSP_BGR8_OES);
gfxSetDoubleBuffering(GFX_TOP, true);
if(!__ctr_svchax || !__ctr_svchax_srv) { if(!__ctr_svchax || !__ctr_svchax_srv) {
util_panic("Failed to acquire kernel access."); util_panic("Failed to acquire kernel access.");
return; return;