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-rw-r--r--src/core/hle/kernel/process.cpp73
-rw-r--r--src/core/hle/kernel/process.h3
-rw-r--r--src/core/loader/3dsx.cpp1
-rw-r--r--src/core/loader/elf.cpp1
-rw-r--r--src/core/loader/loader.cpp1
-rw-r--r--src/core/mem_map.h2
6 files changed, 77 insertions, 4 deletions
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 734d6f3ef..3aa4d8784 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -3,24 +3,91 @@
// Refer to the license.txt file included.
#include "common/assert.h"
+#include "common/common_funcs.h"
+#include "common/logging/log.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/thread.h"
+#include "core/mem_map.h"
namespace Kernel {
SharedPtr<Process> Process::Create(std::string name, u64 program_id) {
SharedPtr<Process> process(new Process);
- process->svc_access_mask.set();
process->name = std::move(name);
process->program_id = program_id;
return process;
}
-void Process::ParseKernelCaps(const u32 * kernel_caps, size_t len) {
- //UNIMPLEMENTED();
+void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
+ for (int i = 0; i < len; ++i) {
+ u32 descriptor = kernel_caps[i];
+ u32 type = descriptor >> 20;
+
+ if (descriptor == 0xFFFFFFFF) {
+ // Unused descriptor entry
+ continue;
+ } else if ((type & 0xF00) == 0xE00) { // 0x0FFF
+ // Allowed interrupts list
+ LOG_WARNING(Loader, "ExHeader allowed interrupts list ignored");
+ } else if ((type & 0xF80) == 0xF00) { // 0x07FF
+ // Allowed syscalls mask
+ unsigned int index = ((descriptor >> 24) & 7) * 24;
+ u32 bits = descriptor & 0xFFFFFF;
+
+ while (bits && index < svc_access_mask.size()) {
+ svc_access_mask.set(index, bits & 1);
+ ++index; bits >>= 1;
+ }
+ } else if ((type & 0xFF0) == 0xFE0) { // 0x00FF
+ // Handle table size
+ handle_table_size = descriptor & 0x3FF;
+ } else if ((type & 0xFF8) == 0xFF0) { // 0x007F
+ // Misc. flags
+ bool allow_debug = descriptor & BIT(0);
+ bool force_debug = descriptor & BIT(1);
+ bool allow_nonalphanum = descriptor & BIT(2);
+ shared_page_writable = descriptor & BIT(3);
+ privileged_priority = descriptor & BIT(4);
+ bool allow_main_args = descriptor & BIT(5);
+ bool shared_device_mem = descriptor & BIT(6);
+ bool runnable_on_sleep = descriptor & BIT(7);
+ loaded_high = descriptor & BIT(12);
+ memory_region = MemoryRegion((descriptor >> 8) & 0xF);
+ } else if ((type & 0xFFE) == 0xFF8) { // 0x001F
+ // Mapped memory range
+ if (i+1 >= len || ((kernel_caps[i+1] >> 20) & 0xFFE) != 0xFF8) {
+ LOG_WARNING(Loader, "Incomplete exheader memory range descriptor ignored.");
+ continue;
+ }
+ u32 end_desc = kernel_caps[i+1];
+ ++i; // Skip over the second descriptor on the next iteration
+
+ StaticAddressMapping mapping;
+ mapping.address = descriptor << 12;
+ mapping.size = (end_desc << 12) - mapping.address;
+ mapping.writable = descriptor & BIT(20);
+ mapping.unk_flag = end_desc & BIT(20);
+
+ static_address_mappings.push_back(mapping);
+ } else if ((type & 0xFFF) == 0xFFE) { // 0x000F
+ // Mapped memory page
+ StaticAddressMapping mapping;
+ mapping.address = descriptor << 12;
+ mapping.size = Memory::PAGE_SIZE;
+ mapping.writable = true; // TODO: Not sure if correct
+ mapping.unk_flag = false;
+ } else if ((type & 0xFE0) == 0xFC0) { // 0x01FF
+ // Kernel version
+ int minor = descriptor & 0xFF;
+ int major = (descriptor >> 8) & 0xFF;
+ LOG_INFO(Loader, "ExHeader kernel version ignored: %d.%d", major, minor);
+ } else {
+ LOG_ERROR(Loader, "Unhandled kernel caps descriptor: 0x%08X", descriptor);
+ }
+ }
}
void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index 8abd881e3..d16979263 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -14,10 +14,11 @@
namespace Kernel {
struct StaticAddressMapping {
- // Address and size must be 4K-aligned
+ // Address and size must be page-aligned
VAddr address;
u32 size;
bool writable;
+ bool unk_flag;
};
enum class MemoryRegion {
diff --git a/src/core/loader/3dsx.cpp b/src/core/loader/3dsx.cpp
index 5aaeb53d8..a0266a4e0 100644
--- a/src/core/loader/3dsx.cpp
+++ b/src/core/loader/3dsx.cpp
@@ -231,6 +231,7 @@ ResultStatus AppLoader_THREEDSX::Load() {
return ResultStatus::Error;
Kernel::g_current_process = Kernel::Process::Create(filename, 0);
+ Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->static_address_mappings = default_address_mappings;
Load3DSXFile(*file, Memory::EXEFS_CODE_VADDR);
diff --git a/src/core/loader/elf.cpp b/src/core/loader/elf.cpp
index ac3f84d04..94d1c9fa4 100644
--- a/src/core/loader/elf.cpp
+++ b/src/core/loader/elf.cpp
@@ -351,6 +351,7 @@ ResultStatus AppLoader_ELF::Load() {
return ResultStatus::Error;
Kernel::g_current_process = Kernel::Process::Create(filename, 0);
+ Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->static_address_mappings = default_address_mappings;
ElfReader elf_reader(&buffer[0]);
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 2718e88c1..8976d0372 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -141,6 +141,7 @@ ResultStatus LoadFile(const std::string& filename) {
case FileType::BIN:
{
Kernel::g_current_process = Kernel::Process::Create(filename_filename, 0);
+ Kernel::g_current_process->svc_access_mask.set();
Kernel::g_current_process->static_address_mappings = default_address_mappings;
size_t size = (size_t)file->GetSize();
diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index 1fb77c94a..fb582d65a 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -10,6 +10,8 @@ namespace Memory {
////////////////////////////////////////////////////////////////////////////////////////////////////
+const u32 PAGE_SIZE = 0x1000;
+
enum : u32 {
BOOTROM_SIZE = 0x00010000, ///< Bootrom (super secret code/data @ 0x8000) size
BOOTROM_PADDR = 0x00000000, ///< Bootrom physical address
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 05:47:05 +0000