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#pragma once
#include "types.h"
/* The linker script will initialize these symbols. Note
* that the linker does not actually allocate any space
* for these variables (thus the void type) it only sets
* the address that the symbol points to. So for example
* the address where the kernel ends is &kernel_end,
* NOT kernel_end.
*/
extern void *setup_end;
extern void *kernel_start;
extern void *kernel_start_text;
extern void *kernel_start_data;
extern void *kernel_start_bss;
extern void *kernel_end;
extern void *kernel_end_text;
extern void *kernel_end_data;
extern void *kernel_end_bss;
extern void *kernel_start_init;
extern void *kernel_end_init;
extern void *kernel_phys_base;
extern void *kernel_phys_end;
#define inline __attribute__((always_inline, used))
#define noreturn __attribute__((noreturn))
#define offsetof(type, member) \
((uintptr_t)((char *)&((type *)(0))->member - (char *)0))
#define NOT_YET_IMPLEMENTED(f) \
dbg(DBG_PRINT, "Not yet implemented: %s, file %s, line %d\n", f, __FILE__, \
__LINE__)
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
#define CONTAINER_OF(obj, type, member) \
((type *)((char *)(obj)-offsetof(type, member)))
/* This truly atrocious macro hack taken from the wikipedia article on the C
* preprocessor, use to "quote" the value (or name) of another macro:
* QUOTE_BY_NAME(NTERMS) -> "NTERMS"
* QUOTE(NTERMS) -> "3"
*
* These macros even made more atrocious by searching for "stringizing operator
* comma". The variable length macros account for comma separated symbols.
*/
#define QUOTE_BY_NAME(...) #__VA_ARGS__
#define QUOTE_BY_VALUE(x) QUOTE_BY_NAME(x)
/* By default, we quote by value */
#define QUOTE(...) QUOTE_BY_NAME(__VA_ARGS__)
#if 0
#ifndef __DRIVERS__
#define __DRIVERS__
#endif
#ifndef __VFS__
#define __VFS__
#endif
#ifndef __S5FS__
#define __S5FS__
#endif
#ifndef __VM__
#define __VM__
#endif
#ifndef __NTERMS__
#define __NTERMS__ 3
#endif
#ifndef __NDISKS__
#define __NDISKS__ 1
#endif
#endif
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