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Clean up Nso fopen semantics

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This commit is contained in:
Michael Scire 2018-04-24 03:14:40 -06:00
parent 1c47959bca
commit 5e5dd530c7
3 changed files with 26 additions and 21 deletions
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38
stratosphere/loader/source/ldr_nso.cpp
View file

@ -6,14 +6,26 @@
static NsoUtils::NsoHeader g_nso_headers[NSO_NUM_MAX] = {0}; static NsoUtils::NsoHeader g_nso_headers[NSO_NUM_MAX] = {0};
static bool g_nso_present[NSO_NUM_MAX] = {0}; static bool g_nso_present[NSO_NUM_MAX] = {0};
void NsoUtils::GetNsoCodePath(char *content_path, unsigned int index) { static char g_nso_path[FS_MAX_PATH] = {0};
std::fill(content_path, content_path + FS_MAX_PATH, 0);
snprintf(content_path, FS_MAX_PATH, "code:/%s", NsoUtils::GetNsoFileName(index)); FILE *NsoUtils::OpenNsoFromExeFS(unsigned int index) {
std::fill(g_nso_path, g_nso_path + FS_MAX_PATH, 0);
snprintf(g_nso_path, FS_MAX_PATH, "code:/%s", NsoUtils::GetNsoFileName(index));
return fopen(g_nso_path, "rb");
} }
void NsoUtils::GetNsoSdPath(char *content_path, u64 title_id, unsigned int index) { FILE *NsoUtils::OpenNsoFromSdCard(unsigned int index, u64 title_id) {
std::fill(content_path, content_path + FS_MAX_PATH, 0); std::fill(g_nso_path, g_nso_path + FS_MAX_PATH, 0);
snprintf(content_path, FS_MAX_PATH, "sdmc:/atmosphere/titles/%016lx/exefs/%s", title_id, NsoUtils::GetNsoFileName(index)); snprintf(g_nso_path, FS_MAX_PATH, "sdmc:/atmosphere/titles/%016lx/exefs/%s", title_id, NsoUtils::GetNsoFileName(index));
return fopen(g_nso_path, "rb");
}
FILE *NsoUtils::OpenNso(unsigned int index, u64 title_id) {
FILE *f_out = OpenNsoFromSdCard(index, title_id);
if (f_out != NULL) {
return f_out;
}
return OpenNsoFromExeFS(index);
} }
bool NsoUtils::IsNsoPresent(unsigned int index) { bool NsoUtils::IsNsoPresent(unsigned int index) {
@ -21,7 +33,6 @@ bool NsoUtils::IsNsoPresent(unsigned int index) {
} }
Result NsoUtils::LoadNsoHeaders(u64 title_id) { Result NsoUtils::LoadNsoHeaders(u64 title_id) {
char nso_path[FS_MAX_PATH] = {0};
FILE *f_nso; FILE *f_nso;
/* Zero out the cache. */ /* Zero out the cache. */
@ -29,17 +40,8 @@ Result NsoUtils::LoadNsoHeaders(u64 title_id) {
std::fill(g_nso_headers, g_nso_headers + NSO_NUM_MAX, (const NsoUtils::NsoHeader &){0}); std::fill(g_nso_headers, g_nso_headers + NSO_NUM_MAX, (const NsoUtils::NsoHeader &){0});
for (unsigned int i = 0; i < NSO_NUM_MAX; i++) { for (unsigned int i = 0; i < NSO_NUM_MAX; i++) {
GetNsoSdPath(nso_path, title_id, i); f_nso = OpenNso(i, title_id);
if ((f_nso = fopen(nso_path, "rb")) != NULL) { if (f_nso != NULL) {
if (fread(&g_nso_headers[i], sizeof(NsoUtils::NsoHeader), 1, f_nso) != sizeof(NsoUtils::NsoHeader)) {
return 0xA09;
}
g_nso_present[i] = true;
fclose(f_nso);
continue;
}
GetNsoCodePath(nso_path, i);
if ((f_nso = fopen(nso_path, "rb")) != NULL) {
if (fread(&g_nso_headers[i], sizeof(NsoUtils::NsoHeader), 1, f_nso) != sizeof(NsoUtils::NsoHeader)) { if (fread(&g_nso_headers[i], sizeof(NsoUtils::NsoHeader), 1, f_nso) != sizeof(NsoUtils::NsoHeader)) {
return 0xA09; return 0xA09;
} }

6
stratosphere/loader/source/ldr_nso.hpp
View file

@ -1,5 +1,6 @@
#pragma once #pragma once
#include <switch.h> #include <switch.h>
#include <cstdio>
#define MAGIC_NSO0 0x304F534E #define MAGIC_NSO0 0x304F534E
#define NSO_NUM_MAX 13 #define NSO_NUM_MAX 13
@ -64,8 +65,9 @@ class NsoUtils {
} }
} }
static void GetNsoCodePath(char *content_path, unsigned int index); static FILE *OpenNsoFromExeFS(unsigned int index);
static void GetNsoSdPath(char *content_path, u64 title_id, unsigned int index); static FILE *OpenNsoFromSdCard(unsigned int index, u64 title_id);
static FILE *OpenNso(unsigned int index, u64 title_id);
static bool IsNsoPresent(unsigned int index); static bool IsNsoPresent(unsigned int index);
static Result LoadNsoHeaders(u64 title_id); static Result LoadNsoHeaders(u64 title_id);

3
stratosphere/loader/source/ldr_process_creation.cpp
View file

@ -90,6 +90,7 @@ Result ProcessCreation::CreateProcess(Handle *out_process_h, u64 index, char *nc
NpdmUtils::NpdmInfo npdm_info = {0}; NpdmUtils::NpdmInfo npdm_info = {0};
ProcessInfo process_info = {0}; ProcessInfo process_info = {0};
Registration::Process *target_process; Registration::Process *target_process;
Handle process_h = 0;
Result rc; Result rc;
/* Get the process from the registration queue. */ /* Get the process from the registration queue. */
@ -143,7 +144,7 @@ Result ProcessCreation::CreateProcess(Handle *out_process_h, u64 index, char *nc
/* TODO: Figure out where NSOs will be mapped, and how much space they (and arguments) will take up. */ /* TODO: Figure out where NSOs will be mapped, and how much space they (and arguments) will take up. */
/* Call svcCreateProcess(). */ /* Call svcCreateProcess(). */
rc = svcCreateProcess(out_process_h, &process_info, (u32 *)npdm_info.aci0_kac, npdm_info.aci0->kac_size/sizeof(u32)); rc = svcCreateProcess(&process_h, &process_info, (u32 *)npdm_info.aci0_kac, npdm_info.aci0->kac_size/sizeof(u32));
if (R_FAILED(rc)) { if (R_FAILED(rc)) {
goto CREATE_PROCESS_END; goto CREATE_PROCESS_END;
} }