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Add svcGetSystemInfo 0x20000 to get citra information (#5955)
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@ -9,6 +9,7 @@
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#include <fmt/format.h>
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#include <fmt/format.h>
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#include "common/logging/log.h"
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#include "common/logging/log.h"
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#include "common/microprofile.h"
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#include "common/microprofile.h"
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#include "common/scm_rev.h"
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#include "common/scope_exit.h"
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#include "common/scope_exit.h"
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#include "core/arm/arm_interface.h"
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#include "core/arm/arm_interface.h"
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#include "core/core.h"
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#include "core/core.h"
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@ -86,6 +87,11 @@ enum class SystemInfoType {
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* For the ARM11 NATIVE_FIRM kernel, this is 5, for processes sm, fs, pm, loader, and pxi."
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* For the ARM11 NATIVE_FIRM kernel, this is 5, for processes sm, fs, pm, loader, and pxi."
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*/
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*/
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KERNEL_SPAWNED_PIDS = 26,
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KERNEL_SPAWNED_PIDS = 26,
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/**
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* Gets citra related information. This parameter is not available on real systems,
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* but can be used by homebrew applications to get some emulator info.
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*/
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CITRA_INFORMATION = 0x20000,
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};
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};
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/**
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/**
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@ -99,6 +105,24 @@ enum class SystemInfoMemUsageRegion {
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BASE = 3,
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BASE = 3,
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};
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};
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/**
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* Accepted by svcGetSystemInfo param with CITRA_INFORMATION type. Selects which information
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* to fetch from Citra. Some string params don't fit in 7 bytes, so they are split.
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*/
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enum class SystemInfoCitraInformation {
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IS_CITRA = 0, // Always set the output to 1, signaling the app is running on Citra.
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BUILD_NAME = 10, // (ie: Nightly, Canary).
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BUILD_VERSION = 11, // Build version.
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BUILD_DATE_PART1 = 20, // Build date first 7 characters.
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BUILD_DATE_PART2 = 21, // Build date next 7 characters.
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BUILD_DATE_PART3 = 22, // Build date next 7 characters.
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BUILD_DATE_PART4 = 23, // Build date last 7 characters.
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BUILD_GIT_BRANCH_PART1 = 30, // Git branch first 7 characters.
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BUILD_GIT_BRANCH_PART2 = 31, // Git branch last 7 characters.
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BUILD_GIT_DESCRIPTION_PART1 = 40, // Git description (commit) first 7 characters.
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BUILD_GIT_DESCRIPTION_PART2 = 41, // Git description (commit) last 7 characters.
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};
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class SVC : public SVCWrapper<SVC> {
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class SVC : public SVCWrapper<SVC> {
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public:
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public:
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SVC(Core::System& system);
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SVC(Core::System& system);
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@ -1369,6 +1393,16 @@ ResultCode SVC::AcceptSession(Handle* out_server_session, Handle server_port_han
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return RESULT_SUCCESS;
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return RESULT_SUCCESS;
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}
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}
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static void CopyStringPart(char* out, const char* in, int offset, int max_length) {
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size_t str_size = strlen(in);
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if (offset < str_size) {
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strncpy(out, in + offset, max_length - 1);
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out[max_length - 1] = '\0';
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} else {
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out[0] = '\0';
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}
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}
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ResultCode SVC::GetSystemInfo(s64* out, u32 type, s32 param) {
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ResultCode SVC::GetSystemInfo(s64* out, u32 type, s32 param) {
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LOG_TRACE(Kernel_SVC, "called type={} param={}", type, param);
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LOG_TRACE(Kernel_SVC, "called type={} param={}", type, param);
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@ -1402,6 +1436,55 @@ ResultCode SVC::GetSystemInfo(s64* out, u32 type, s32 param) {
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case SystemInfoType::KERNEL_SPAWNED_PIDS:
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case SystemInfoType::KERNEL_SPAWNED_PIDS:
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*out = 5;
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*out = 5;
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break;
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break;
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case SystemInfoType::CITRA_INFORMATION:
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switch ((SystemInfoCitraInformation)param) {
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case SystemInfoCitraInformation::IS_CITRA:
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*out = 1;
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break;
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case SystemInfoCitraInformation::BUILD_NAME:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_name, 0, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_VERSION:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_version, 0, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_DATE_PART1:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_date,
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(sizeof(s64) - 1) * 0, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_DATE_PART2:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_date,
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(sizeof(s64) - 1) * 1, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_DATE_PART3:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_date,
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(sizeof(s64) - 1) * 2, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_DATE_PART4:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_build_date,
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(sizeof(s64) - 1) * 3, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_GIT_BRANCH_PART1:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_scm_branch,
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(sizeof(s64) - 1) * 0, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_GIT_BRANCH_PART2:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_scm_branch,
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(sizeof(s64) - 1) * 1, sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_GIT_DESCRIPTION_PART1:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_scm_desc, (sizeof(s64) - 1) * 0,
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sizeof(s64));
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break;
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case SystemInfoCitraInformation::BUILD_GIT_DESCRIPTION_PART2:
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CopyStringPart(reinterpret_cast<char*>(out), Common::g_scm_desc, (sizeof(s64) - 1) * 1,
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sizeof(s64));
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break;
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default:
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LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo citra info param={}", param);
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*out = 0;
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break;
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}
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break;
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default:
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default:
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LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type={} param={}", type, param);
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LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type={} param={}", type, param);
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*out = 0;
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*out = 0;
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