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https://gitlab.com/qemu-project/qemu
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efbf29b681
Add some comments to describe each file. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
163 lines
3.2 KiB
C
163 lines
3.2 KiB
C
/*
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* Software MMU support
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*
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* Generate inline load/store functions for all MMU modes (typically
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* at least _user and _kernel) as well as _data versions, for all data
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* sizes.
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*
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* Used by target op helpers.
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*
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* MMU mode suffixes are defined in target cpu.h.
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*/
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/* XXX: find something cleaner.
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* Furthermore, this is false for 64 bits targets
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*/
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#define ldul_user ldl_user
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#define ldul_kernel ldl_kernel
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#define ldul_hypv ldl_hypv
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#define ldul_executive ldl_executive
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#define ldul_supervisor ldl_supervisor
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#include "softmmu_defs.h"
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#define ACCESS_TYPE 0
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#define MEMSUFFIX MMU_MODE0_SUFFIX
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#define ACCESS_TYPE 1
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#define MEMSUFFIX MMU_MODE1_SUFFIX
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#if (NB_MMU_MODES >= 3)
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#define ACCESS_TYPE 2
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#define MEMSUFFIX MMU_MODE2_SUFFIX
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#endif /* (NB_MMU_MODES >= 3) */
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#if (NB_MMU_MODES >= 4)
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#define ACCESS_TYPE 3
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#define MEMSUFFIX MMU_MODE3_SUFFIX
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#endif /* (NB_MMU_MODES >= 4) */
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#if (NB_MMU_MODES >= 5)
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#define ACCESS_TYPE 4
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#define MEMSUFFIX MMU_MODE4_SUFFIX
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#endif /* (NB_MMU_MODES >= 5) */
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#if (NB_MMU_MODES >= 6)
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#define ACCESS_TYPE 5
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#define MEMSUFFIX MMU_MODE5_SUFFIX
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#endif /* (NB_MMU_MODES >= 6) */
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#if (NB_MMU_MODES > 6)
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#error "NB_MMU_MODES > 6 is not supported for now"
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#endif /* (NB_MMU_MODES > 6) */
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/* these access are slower, they must be as rare as possible */
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#define ACCESS_TYPE (NB_MMU_MODES)
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#define MEMSUFFIX _data
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#define DATA_SIZE 1
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#include "softmmu_header.h"
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#define DATA_SIZE 2
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#include "softmmu_header.h"
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#define DATA_SIZE 4
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#include "softmmu_header.h"
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#define DATA_SIZE 8
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#include "softmmu_header.h"
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#undef ACCESS_TYPE
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#undef MEMSUFFIX
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#define ldub(p) ldub_data(p)
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#define ldsb(p) ldsb_data(p)
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#define lduw(p) lduw_data(p)
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#define ldsw(p) ldsw_data(p)
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#define ldl(p) ldl_data(p)
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#define ldq(p) ldq_data(p)
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#define stb(p, v) stb_data(p, v)
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#define stw(p, v) stw_data(p, v)
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#define stl(p, v) stl_data(p, v)
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#define stq(p, v) stq_data(p, v)
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