forked from PoliEcho-holding-org/kern
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
#ifndef _KERNEL_H
|
|
#define _KERNEL_H
|
|
|
|
// Null definition
|
|
#define NULL ((void*)0)
|
|
|
|
/*
|
|
* Virtual memory addresses
|
|
*/
|
|
#define USER_HEAP 0x10000000
|
|
#define USER_SHARED 0xA0000000
|
|
#define USER_STACK 0xBF000000
|
|
#define KERNEL_BASE 0xC0000000
|
|
#define KERNEL_SIZE 0x10000000
|
|
#define KERNEL_HEAP_BASE 0xD0000000
|
|
#define KERNEL_HEAP_SIZE 0x10000000
|
|
#define KERNEL_SHARED 0xF0000000
|
|
#define KERNEL_FRAMEBUF 0xC8000000
|
|
|
|
/*
|
|
* Variable arguments
|
|
*/
|
|
typedef char* va_list;
|
|
#define __VA_ALIGN 4
|
|
#define __va_align(_t) (((sizeof(_t) + __VA_ALIGN - 1) / __VA_ALIGN) * __VA_ALIGN)
|
|
#define va_start(_ap, _arg) ((_ap) = (char*)(&(_arg) + 1))
|
|
#define va_arg(_ap, _type) (*(_type*)((_ap += __va_align(_type)) - __va_align(_type)))
|
|
#define va_end(_ap) (void)((_ap) = 0)
|
|
|
|
/*
|
|
* Utility macros
|
|
*/
|
|
#define ARRAY_SIZE(_a) (sizeof((_a)) / sizeof((_a)[0]))
|
|
#define BIT(_n) (1UL << (_n))
|
|
#define BIT_MASK(_n) (BIT(_n) - 1)
|
|
#define ALIGN(_x, _a) __ALIGN_MASK((_x), (typeof(_x))(_a) - 1)
|
|
#define __ALIGN_MASK(_x, _m) (((_x) + (_m)) & ~(_m))
|
|
#define container_of(_p, _t, _m) \
|
|
((_t*)((char*)(_p) - offsetof(_t, _m)))
|
|
#define swap(_a, _b) ({ typeof(_a) _tmp = (_a); (_a) = (_b); (_b) = (_a); })
|
|
#define min(_x, _y) ({ typeof(_x) __x = (_x); typeof(_y) __y = (_y); __x < __y ? __x : __y; })
|
|
#define max(_x, _y) ({ typeof(_x) __x = (_x); typeof(_y) __y = (_y); __x > __y ? __x : __y; })
|
|
#define ceil(_x, _y) ((((_x) + (_y)) (_y)) * (_y))
|
|
#define floor(_x, _y) ((_x) - ((_x) % (_y)))
|
|
#define dceil(_x, _y) (((_x) + (_y) - 1) / (_y))
|
|
|
|
/*
|
|
* Attribute definitions
|
|
*/
|
|
#define __align(_b) __attribute__((aligned(_b)))
|
|
#define __depricated __attribute__((depricated))
|
|
#define __packed __attribute__((packed))
|
|
#define __noreturn __attribute__((noreturn))
|
|
#define __const __attribute__((const))
|
|
#define __pure __attribute__((pure))
|
|
#define __inline __attribute__((always_inline))
|
|
#define __no_inline __attribute__((never_inline))
|
|
#define __section(_s) __attribute__((section(_s)))
|
|
#define __cold __attribute__((cold))
|
|
#define __hot __attribute__((hot))
|
|
#define __naked __attribute__((naked))
|
|
|
|
/*
|
|
* Standard int types
|
|
*/
|
|
typedef unsigned char uint8_t;
|
|
typedef unsigned short uint16_t;
|
|
typedef unsigned int uint32_t;
|
|
typedef unsigned long uint64_t;
|
|
typedef signed char int8_t;
|
|
typedef signed short int16_t;
|
|
typedef signed int int32_t;
|
|
typedef signed long int64_t;
|
|
typedef uint32_t size_t;
|
|
typedef int32_t ssize_t;
|
|
typedef uint32_t uintptr_t;
|
|
typedef int32_t intptr_t;
|
|
|
|
/*
|
|
* Boolean
|
|
*/
|
|
#define bool _Bool
|
|
#define true 1
|
|
#define false 0
|
|
|
|
/*
|
|
* Linker defined values
|
|
*/
|
|
extern uint32_t __kernel_start, __kernel_end;
|
|
extern uint32_t __kernel_stack_top, __kernel_stack_bottom;
|
|
|
|
/*
|
|
* Logging and errors
|
|
*/
|
|
#include <serial.h>
|
|
#define printk debugf
|
|
#define pr_dbg(_s) printk("[debug] %s\n", (_s))
|
|
#define pr_wrn(_s) printk("[warning] %s\n", (_s))
|
|
#define pr_err(_s) printk("[error] %s\n", (_s))
|
|
#define panic(_s) do {\
|
|
printk("[kernel] Panic! %s\n", (_s));\
|
|
while (1) __asm__ volatile ("cli; hlt");\
|
|
} while (0)
|
|
#define BUG() panic("BUG()")
|
|
#define WARN() pr_wrn("WARN()")
|
|
#define BUG_ON(_e) ((_e) ? BUG() : NULL)
|
|
#define WARN_ON(_e) ((_e) ? WARN() : NULL)
|
|
|
|
#endif
|