LowLevel/Luma3DS-3GX
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sysmodules: introduce "luma shared config", rewrite ndmu workaround

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This commit is contained in:
TuxSH
2020-07-12 19:36:18 +01:00
parent e3bb1c1b63
commit 768e587b76
13 changed files with 122 additions and 31 deletions
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2
sysmodules/loader/source/hbldr.h
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@@ -2,8 +2,6 @@
#include <3ds/exheader.h>
#define HBLDR_3DSX_TID (*(vu64 *)0x1FF81100)
Result hbldrInit(void);
void hbldrExit(void);

17
sysmodules/loader/source/loader.c
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@@ -4,6 +4,7 @@
#include "ifile.h"
#include "util.h"
#include "hbldr.h"
#include "luma_shared_config.h"
extern u32 config, multiConfig, bootConfig;
extern bool isN3DS, isSdMode;
@@ -91,6 +92,11 @@ static int lzss_decompress(u8 *end)
return ret;
}
static inline bool hbldrIs3dsxTitle(u64 tid)
{
return Luma_SharedConfig->use_hbldr && tid == Luma_SharedConfig->hbldr_3dsx_tid;
}
static Result allocateSharedMem(prog_addrs_t *shared, prog_addrs_t *vaddr, int flags)
{
u32 dummy;
@@ -169,11 +175,8 @@ static Result GetProgramInfo(ExHeader_Info *exheaderInfo, u64 programHandle)
}
}
s64 nbSection0Modules;
svcGetSystemInfo(&nbSection0Modules, 26, 0);
// Tweak 3dsx placeholder title exheaderInfo
if (nbSection0Modules == 6 && exheaderInfo->aci.local_caps.title_id == HBLDR_3DSX_TID)
if (hbldrIs3dsxTitle(exheaderInfo->aci.local_caps.title_id))
{
assertSuccess(hbldrInit());
HBLDR_PatchExHeaderInfo(exheaderInfo);
@@ -204,7 +207,7 @@ static Result LoadProcess(Handle *process, u64 programHandle)
u64 titleId;
// make sure the cached info corrosponds to the current programHandle
if (g_cached_programHandle != programHandle || g_exheaderInfo.aci.local_caps.title_id == HBLDR_3DSX_TID)
if (g_cached_programHandle != programHandle || hbldrIs3dsxTitle(g_exheaderInfo.aci.local_caps.title_id))
{
res = GetProgramInfo(&g_exheaderInfo, programHandle);
g_cached_programHandle = programHandle;
@@ -230,7 +233,7 @@ static Result LoadProcess(Handle *process, u64 programHandle)
titleId = g_exheaderInfo.aci.local_caps.title_id;
ExHeader_CodeSetInfo *csi = &g_exheaderInfo.sci.codeset_info;
if (titleId == HBLDR_3DSX_TID)
if (hbldrIs3dsxTitle(titleId))
{
assertSuccess(hbldrInit());
assertSuccess(HBLDR_LoadProcess(&codeset, csi->text.address, flags & 0xF00, titleId, csi->name));
@@ -377,7 +380,7 @@ void loaderHandleCommands(void *ctx)
break;
case 4: // GetProgramInfo
memcpy(&programHandle, &cmdbuf[1], 8);
if (programHandle != g_cached_programHandle || g_exheaderInfo.aci.local_caps.title_id == HBLDR_3DSX_TID)
if (programHandle != g_cached_programHandle || hbldrIs3dsxTitle(g_exheaderInfo.aci.local_caps.title_id))
{
res = GetProgramInfo(&g_exheaderInfo, programHandle);
g_cached_programHandle = R_SUCCEEDED(res) ? programHandle : 0;

28
sysmodules/loader/source/luma_shared_config.h Normal file
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@@ -0,0 +1,28 @@
/* This paricular file is licensed under the following terms: */
/*
* This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable
* for any damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it
* and redistribute it freely, subject to the following restrictions:
*
* The origin of this software must not be misrepresented; you must not claim that you wrote the original software.
* If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
*
* Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
* This notice may not be removed or altered from any source distribution.
*/
#pragma once
#include <3ds/types.h>
/// Luma shared config type.
typedef struct LumaSharedConfig {
u64 hbldr_3dsx_tid; ///< Title ID to use for 3DSX loading.
bool use_hbldr; ///< Whether or not Loader should use hb:ldr (Rosalina writes 1).
} LumaSharedConfig;
/// Luma shared config.
#define Luma_SharedConfig ((volatile LumaSharedConfig *)(OS_SHAREDCFG_VADDR + 0x800))