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| author | Peter Maydell <peter.maydell@linaro.org> | 2015-02-05 13:37:23 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-02-05 13:37:23 +0000 |
| commit | 8f3ae2ae2d02727f6d56610c09d7535e43650dd4 (patch) | |
| tree | ec81775c6d32cbafb08cb564373dbca3a292da48 | |
| parent | 587078f0ed6371f83a54228faed70867d3137954 (diff) | |
| download | qemu-8f3ae2ae2d02727f6d56610c09d7535e43650dd4.zip qemu-8f3ae2ae2d02727f6d56610c09d7535e43650dd4.tar.gz qemu-8f3ae2ae2d02727f6d56610c09d7535e43650dd4.tar.bz2 | |
cpu_ldst.h: Allow NB_MMU_MODES to be 7
Support guest CPUs which need 7 MMU index values.
Add a comment about what would be required to raise the limit
further (trivial for 8, TCG backend rework for 9 or more).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
| -rw-r--r-- | include/exec/cpu_ldst.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/include/exec/cpu_ldst.h b/include/exec/cpu_ldst.h index 0e825ea..1673287 100644 --- a/include/exec/cpu_ldst.h +++ b/include/exec/cpu_ldst.h @@ -244,9 +244,31 @@ uint64_t helper_ldq_cmmu(CPUArchState *env, target_ulong addr, int mmu_idx); #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) */ +#if (NB_MMU_MODES >= 7) && defined(MMU_MODE6_SUFFIX) + +#define CPU_MMU_INDEX 6 +#define MEMSUFFIX MMU_MODE6_SUFFIX +#define DATA_SIZE 1 +#include "exec/cpu_ldst_template.h" + +#define DATA_SIZE 2 +#include "exec/cpu_ldst_template.h" + +#define DATA_SIZE 4 +#include "exec/cpu_ldst_template.h" + +#define DATA_SIZE 8 +#include "exec/cpu_ldst_template.h" +#undef CPU_MMU_INDEX +#undef MEMSUFFIX +#endif /* (NB_MMU_MODES >= 7) */ + +#if (NB_MMU_MODES > 7) +/* Note that supporting NB_MMU_MODES == 9 would require + * changes to at least the ARM TCG backend. + */ +#error "NB_MMU_MODES > 7 is not supported for now" +#endif /* (NB_MMU_MODES > 7) */ /* these access are slower, they must be as rare as possible */ #define CPU_MMU_INDEX (cpu_mmu_index(env)) |