mirror of
https://github.com/drasko/codezero.git
synced 2026-01-12 19:03:15 +01:00
caa7ac0764
cinfo array is now freed along with other init memory. bootmem allocator memory is reduced to be completely used up. free boot memory now prints the used free memory as well.
109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
#ifndef __MACROS_H__
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#define __MACROS_H__
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#include "config.h"
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#define __KERNELNAME__ "code0"
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/*
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* This file is automatically included before the first line of any
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* source file, using gcc's -imacro command line option. Only macro
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* definitions will be extracted.
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*/
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#define INC_ARCH(x) <l4/arch/__ARCH__/x>
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#define INC_SUBARCH(x) <l4/arch/__ARCH__/__SUBARCH__/x>
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#define INC_CPU(x) <l4/arch/__ARCH__/__SUBARCH__/__CPU__/x>
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#define INC_PLAT(x) <l4/platform/__PLATFORM__/x>
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#define INC_API(x) <l4/api/x>
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#define INC_GLUE(x) <l4/glue/__ARCH__/x>
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#define __initdata SECTION(".init.data")
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/* use this to place code/data in a certain section */
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#define SECTION(x) __attribute__((section(x)))
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#define ALIGN(x) __attribute__((aligned (x)))
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/* Functions for critical path optimizations */
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#if (__GNUC__ >= 3)
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#define unlikely(x) __builtin_expect((x), false)
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#define likely(x) __builtin_expect((x), true)
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#define likelyval(x,val) __builtin_expect((x), (val))
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#else /* __GNUC__ < 3 */
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#define likely(x) (x)
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#define unlikely(x) (x)
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#define likelyval(x,val) (x)
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#endif /* __GNUC__ < 3 */
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/* This guard is needed because tests use host C library and NULL is defined */
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#ifndef NULL
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#define NULL 0
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#endif
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/* Convenience functions for memory sizes. */
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#define SZ_1K 1024
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#define SZ_4K 0x1000
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#define SZ_16K 0x4000
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#define SZ_32K 0x8000
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#define SZ_64K 0x10000
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#define SZ_1MB 0x100000
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#define SZ_4MB (4*SZ_1MB)
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#define SZ_8MB (8*SZ_1MB)
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#define SZ_16MB (16*SZ_1MB)
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#define SZ_1K_BITS 10
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#define SZ_4K_BITS 12
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#define SZ_16K_BITS 14
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#define SZ_1MB_BITS 20
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#ifndef __ASSEMBLY__
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#include <stddef.h> /* offsetof macro, defined in the `standard' way. */
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#endif
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#define container_of(ptr, struct_type, field) \
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({ \
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const typeof(((struct_type *)0)->field) *field_ptr = (ptr); \
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(struct_type *)((char *)field_ptr - offsetof(struct_type, field)); \
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})
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/* Prefetching is noop for now */
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#define prefetch(x) x
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#if !defined(__KERNEL__)
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#define printk printf
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#endif
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/* Converts an int-sized field offset in a struct into a bit offset in a word */
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#define FIELD_TO_BIT(type, field) (1 << (offsetof(type, field) >> 2))
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/* Functions who may either return a pointer or an error code can use these: */
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#define PTR_ERR(x) ((void *)(x))
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/* checks up to -1000, the rest might be valid pointers!!! E.g. 0xE0000000 */
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// #define IS_ERR(x) ((((int)(x)) < 0) && (((int)(x) > -1000)))
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#if !defined(__ASSEMBLY__)
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#define IS_ERR(x) is_err((int)(x))
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static inline int is_err(int x)
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{
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return x < 0 && x > -0x1000;
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}
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#endif
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/* TEST: Is this type of printk well tested? */
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#define BUG() {do { \
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printk("BUG in file: %s function: %s line: %d\n", \
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__FILE__, __FUNCTION__, __LINE__); \
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} while(0); \
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while(1);}
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#define BUG_ON(x) {if (x) BUG();}
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#define WARN_ON(x) {if (x) printk("%s, %s, %s: Warning something is off here.\n", __FILE__, __FUNCTION__, __LINE__); }
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#define BUG_ON_MSG(msg, x) do { \
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printk(msg); \
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BUG_ON(x) \
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} while(0)
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#define BUG_MSG(msg...) do { \
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printk(msg); \
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BUG(); \
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} while(0)
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#endif /* __MACROS_H__ */
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