108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
#ifndef __MEMORY_H__
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#define __MEMORY_H__
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#include "string.h"
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#include "global.h"
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#include "utils.h"
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#include "hollywood.h"
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#include "vsprintf.h"
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#define ALIGN_FORWARD(x,align) \
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((typeof(x))((((u32)(x)) + (align) - 1) & (~(align-1))))
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#define ALIGN_BACKWARD(x,align) \
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((typeof(x))(((u32)(x)) & (~(align-1))))
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enum AHBDEV {
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AHB_STARLET = 0, //or MEM2 or some controller or bus or ??
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AHB_PPC = 1, //ppc or something else???
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AHB_NAND = 3,
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AHB_AES = 4,
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AHB_SHA1 = 5,
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AHB_EHCI = 6,
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AHB_SDHC = 9,
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};
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void dc_flushrange(const void *start, u32 size);
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void dc_invalidaterange(void *start, u32 size);
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void dc_flushall(void);
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void ic_invalidateall(void);
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void ahb_flush_from(enum AHBDEV dev);
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void ahb_flush_to(enum AHBDEV dev);
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u32 dma_addr(void *p);
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static inline u32 get_cr(void)
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{
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u32 data;
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__asm__ volatile ( "mrc\tp15, 0, %0, c1, c0, 0" : "=r" (data) );
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return data;
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}
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static inline u32 get_ttbr(void)
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{
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u32 data;
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__asm__ volatile ( "mrc\tp15, 0, %0, c2, c0, 0" : "=r" (data) );
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return data;
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}
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static inline u32 get_dacr(void)
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{
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u32 data;
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__asm__ volatile ( "mrc\tp15, 0, %0, c3, c0, 0" : "=r" (data) );
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return data;
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}
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static inline void set_cr(u32 data)
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{
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__asm__ volatile ( "mcr\tp15, 0, %0, c1, c0, 0" :: "r" (data) );
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}
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static inline void set_ttbr(u32 data)
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{
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__asm__ volatile ( "mcr\tp15, 0, %0, c2, c0, 0" :: "r" (data) );
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}
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static inline void set_dacr(u32 data)
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{
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__asm__ volatile ( "mcr\tp15, 0, %0, c3, c0, 0" :: "r" (data) );
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}
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static inline u32 get_dfsr(void)
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{
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u32 data;
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__asm__ volatile ( "mrc\tp15, 0, %0, c5, c0, 0" : "=r" (data) );
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return data;
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}
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static inline u32 get_ifsr(void)
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{
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u32 data;
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__asm__ volatile ( "mrc\tp15, 0, %0, c5, c0, 1" : "=r" (data) );
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return data;
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}
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static inline u32 get_far(void)
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{
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u32 data;
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__asm__ volatile ( "mrc\tp15, 0, %0, c6, c0, 0" : "=r" (data) );
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return data;
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}
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void _ahb_flush_to(enum AHBDEV dev);
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static inline void dc_inval_block_fast(void *block)
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{
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__asm__ volatile ( "mcr\tp15, 0, %0, c7, c6, 1" :: "r" (block) );
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_ahb_flush_to(AHB_STARLET); //TODO: check if really needed and if not, remove
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}
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static inline void dc_flush_block_fast(void *block)
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{
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__asm__ volatile ( "mcr\tp15, 0, %0, c7, c10, 1" :: "r" (block) );
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__asm__ volatile ( "mcr\tp15, 0, %0, c7, c10, 4" :: "r" (0) );
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ahb_flush_from(AHB_PPC); //TODO: check if really needed and if not, remove
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}
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#endif
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