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author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-05-08 21:51:48 +0200 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-05-09 03:11:44 +0200 |
commit | 2af30d465fa4e9c3421f01b557141673eb0a2115 (patch) | |
tree | ebbbbee64f504163feddf312a6844a58c5c5052a /src/core/hle | |
parent | Common: Add BIT macro (diff) | |
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Diffstat (limited to 'src/core/hle')
-rw-r--r-- | src/core/hle/kernel/process.cpp | 73 | ||||
-rw-r--r-- | src/core/hle/kernel/process.h | 3 |
2 files changed, 72 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 { |