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Process: Use BitField to store process flags

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This commit is contained in:
Yuri Kunde Schlesner 2015-05-08 17:53:19 -03:00
parent 7eb413155f
commit 2f5904611d
2 changed files with 24 additions and 16 deletions
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14
src/core/hle/kernel/process.cpp
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@ -18,6 +18,9 @@ SharedPtr<Process> Process::Create(std::string name, u64 program_id) {
process->name = std::move(name);
process->program_id = program_id;
process->flags.raw = 0;
process->flags.memory_region = MemoryRegion::APPLICATION;
return process;
}
@ -46,16 +49,7 @@ void Process::ParseKernelCaps(const u32* kernel_caps, size_t len) {
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);
flags.raw = descriptor & 0xFFFF;
} else if ((type & 0xFFE) == 0xFF8) { // 0x001F
// Mapped memory range
if (i+1 >= len || ((kernel_caps[i+1] >> 20) & 0xFFE) != 0xFF8) {

26
src/core/hle/kernel/process.h
View file

@ -8,6 +8,9 @@
#include <boost/container/static_vector.hpp>
#include "common/bit_field.h"
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
@ -21,12 +24,27 @@ struct StaticAddressMapping {
bool unk_flag;
};
enum class MemoryRegion {
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
BASE = 3,
};
union ProcessFlags {
u16 raw;
BitField< 0, 1, u16> allow_debug; ///< Allows other processes to attach to and debug this process.
BitField< 1, 1, u16> force_debug; ///< Allows this process to attach to processes even if they don't have allow_debug set.
BitField< 2, 1, u16> allow_nonalphanum;
BitField< 3, 1, u16> shared_page_writable; ///< Shared page is mapped with write permissions.
BitField< 4, 1, u16> privileged_priority; ///< Can use priority levels higher than 24.
BitField< 5, 1, u16> allow_main_args;
BitField< 6, 1, u16> shared_device_mem;
BitField< 7, 1, u16> runnable_on_sleep;
BitField< 8, 4, MemoryRegion> memory_region; ///< Default region for memory allocations for this process
BitField<12, 1, u16> loaded_high; ///< Application loaded high (not at 0x00100000).
};
class Process final : public Object {
public:
static SharedPtr<Process> Create(std::string name, u64 program_id);
@ -43,11 +61,7 @@ public:
std::bitset<0x80> svc_access_mask;
unsigned int handle_table_size = 0x200;
boost::container::static_vector<StaticAddressMapping, 8> static_address_mappings; // TODO: Determine a good upper limit
bool loaded_high = false; // Application loaded high (not at 0x00100000)
bool shared_page_writable = false;
bool privileged_priority = false; // Can use priority levels higher than 24
MemoryRegion memory_region = MemoryRegion::APPLICATION;
ProcessFlags flags;
void ParseKernelCaps(const u32* kernel_caps, size_t len);
void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);