mirror of
https://github.com/Lime3DS/Lime3DS
synced 2024-11-16 12:13:44 +00:00
98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
// Copyright 2015 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// 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 {
|
|
|
|
u32 Process::next_process_id;
|
|
|
|
SharedPtr<Process> Process::Create(std::string name, u64 program_id) {
|
|
SharedPtr<Process> process(new Process);
|
|
|
|
process->name = std::move(name);
|
|
process->program_id = program_id;
|
|
|
|
process->flags.raw = 0;
|
|
process->flags.memory_region = MemoryRegion::APPLICATION;
|
|
|
|
return process;
|
|
}
|
|
|
|
void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
|
|
for (size_t 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
|
|
flags.raw = descriptor & 0xFFFF;
|
|
} 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
|
|
|
|
AddressMapping mapping;
|
|
mapping.address = descriptor << 12;
|
|
mapping.size = (end_desc << 12) - mapping.address;
|
|
mapping.writable = (descriptor & (1 << 20)) != 0;
|
|
mapping.unk_flag = (end_desc & (1 << 20)) != 0;
|
|
|
|
address_mappings.push_back(mapping);
|
|
} else if ((type & 0xFFF) == 0xFFE) { // 0x000F
|
|
// Mapped memory page
|
|
AddressMapping 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) {
|
|
Kernel::SetupMainThread(entry_point, main_thread_priority);
|
|
}
|
|
|
|
Kernel::Process::Process() {}
|
|
Kernel::Process::~Process() {}
|
|
|
|
SharedPtr<Process> g_current_process;
|
|
|
|
}
|