qemu-e2k/softmmu_exec.h
Blue Swirl efbf29b681 Document softmmu templates
Add some comments to describe each file.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-01 09:31:08 +00:00

164 lines
3.2 KiB
C

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