Process: Use BitField to store process flags

src/core/hle/kernel/process.cpp

@@ -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);
+            flags.raw = descriptor & 0xFFFF;
-            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) {

src/core/hle/kernel/process.h

@@ -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
-
+    ProcessFlags flags;
-    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;
 
     void ParseKernelCaps(const u32* kernel_caps, size_t len);
     void Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size);