Added hal address space interface (#102)

And moved hal to be a part of kernel instead of a library

Author: frogrammer9

src/example_dtree/CMakeLists.txt

@@ -1,5 +1,5 @@
 SETUP_EXECUTABLE(example_dtree)
 
-target_link_libraries(example_dtree PRIVATE device_tree_access Debug startup stdbigos)
+target_link_libraries(example_dtree PRIVATE dt_access Debug startup stdbigos)
 
 ADD_QEMU_TARGET(example_dtree)

src/example_trap/CMakeLists.txt

@@ -1,7 +1,7 @@
 SETUP_EXECUTABLE(kernel)
 
 target_compile_definitions(kernel PRIVATE $<IF:$<CONFIG:DEBUG>,__DEBUG__ __LOGLVL__=3, __LOGLVL__=1>)
-target_link_libraries(kernel PRIVATE Debug stdbigos hal)
+target_link_libraries(kernel PRIVATE Debug stdbigos dt_access)
 
 target_link_options(kernel PRIVATE -static-pie -e kinit)
 

src/example_trap/entry.c

@@ -0,0 +1,35 @@
+#ifndef KERNEL_ADDRESS_SPACE_ADDRESS_SPACE
+#define KERNEL_ADDRESS_SPACE_ADDRESS_SPACE
+
+#include "stdbigos/error.h"
+#include "stdbigos/types.h"
+
+typedef enum : u16 {
+	AS_FLAGS_READ = (1ull << 0),
+	AS_FLAGS_WRITE = (1ull << 1),
+	AS_FLAGS_EXECUTE = (1ull << 2),
+	AS_FLAGS_MAPPED = (1ull << 3),
+	AS_FLAGS_GLOBAL = (1ull << 4),
+	AS_FLAGS_USER = (1ull << 5),
+} address_space_region_flags_t;
+
+typedef struct {
+	address_space_region_flags_t flags;
+	void* addr;
+	size_t size;
+} address_space_region_t;
+
+typedef struct {
+	address_space_region_t* regions;
+	size_t regions_count;
+	bool does_manage_own_memory;
+	bool active;
+} address_space_t;
+
+error_t address_space_init();
+
+error_t address_space_init_from_buffer(address_space_region_t* regions, size_t count);
+
+error_t address_space_delegate_memory_management(void** addrOUT);
+
+#endif // !KERNEL_ADDRESS_SPACE_ADDRESS_SPACE

src/example_umode_concurrency/CMakeLists.txt

@@ -0,0 +1 @@
+#include "hal/include/address_space.h"