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https://github.com/yuzu-emu/yuzu-android
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64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#ifndef _MMU_WB_H_
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#define _MMU_WB_H_
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typedef struct wb_entry_s
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{
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ARMword pa; //phy_addr
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ARMbyte *data; //data
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int nb; //number byte to write
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} wb_entry_t;
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typedef struct wb_s
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{
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int num; //number of wb_entry
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int nb; //number of byte of each entry
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int first; //
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int last; //
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int used; //
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wb_entry_t *entrys;
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} wb_s;
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typedef struct wb_desc_s
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{
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int num;
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int nb;
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} wb_desc_t;
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/* wb_init
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* @wb_t :wb_t to init
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* @num :num of entrys
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* @nw :num of word of each entry
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*
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* $ -1:error
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* 0:ok
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* */
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int mmu_wb_init (wb_s * wb_t, int num, int nb);
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/* wb_exit
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* @wb_t :wb_t to exit
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* */
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void mmu_wb_exit (wb_s * wb);
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/* wb_write_bytes :put bytess in Write Buffer
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* @state: ARMul_State
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* @wb_t: write buffer
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* @pa: physical address
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* @data: data ptr
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* @n number of byte to write
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*
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* Note: write buffer merge is not implemented, can be done late
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* */
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void
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mmu_wb_write_bytess (ARMul_State * state, wb_s * wb_t, ARMword pa,
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ARMbyte * data, int n);
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/* wb_drain_all
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* @wb_t wb_t to drain
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* */
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void mmu_wb_drain_all (ARMul_State * state, wb_s * wb_t);
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#endif /*_MMU_WB_H_*/
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