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started MMU implementation in C

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This commit is contained in:
Markus Fröschle
2013-08-01 16:01:35 +00:00
parent e0e93657c4
commit 951447352c
4 changed files with 50 additions and 3 deletions
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22
include/mmu.h Normal file
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/*
* mmu.h
*
* Created on: 01.08.2013
* Author: froesm1
*/
#ifndef _MMU_H_
#define _MMU_H_
#define STD_MMUTR (MCF_MMU_MMUTR_SG | MCF_MMU_MMUTR_V)
#define MMUORD_D (MCF_MMU_MMUOR_ACC | MCF_MMU_MMUOR_UAA)
#define MMUORD_I (MCF_MMU_MMUOR_ITLB | MCF_MMU_MUOR_ACC | MCF_MMU_MMUOR_UAA)
#define WRITETHROUGH_MMUDR (MCF_MMU_MMUDR_SZ(00) | MCF_MMU_MMUDR_CM(00) | MCF_MMU_MMUDR_R | MCF_MMU_MMUDR_W | MCF_MMU_MMUDR_X)
#define COPYBACK_MMUDR (MCF_MMU_MMUDR_SZ(00) | MCF_MMU_MMUDR_CM(01) | MCF_MMU_MMUDR_R | MCF_MMU_MMUDR_W | MCF_MMU_MMUDR_X)
#define NOCACHE_PRECISE_MMUDR (MCF_MMU_MMUDR_SZ(00) | MCF_MMU_MMUDR_CM(10) | MCF_MMU_MMUDR_R | MCF_MMU_MMUDR_W | MCF_MMU_MMUDR_X)
extern void mmu_init(void);
extern void mmutr_miss(void) __attribute__((interrupt));
#endif /* _MMU_H_ */