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| author | Peter Maydell <peter.maydell@linaro.org> | 2015-01-20 15:19:35 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-01-20 15:19:35 +0000 |
| commit | db5fd8d709fd57f4d4f11edfca9f421f657f4508 (patch) | |
| tree | 88c0e4238d481b2ebaf1cfa31f5db245cb4bd988 /include/exec/cpu-all.h | |
| parent | 82f11917c99e3c7fa3d6aa98572ecc98c7324c2f (diff) | |
| download | qemu-db5fd8d709fd57f4d4f11edfca9f421f657f4508.zip | |
cpu_ldst.h, cpu-all.h, bswap.h: Update documentation on ld/st accessors
Add documentation of what the cpu_*_* accessors look like.
Correct some minor errors in the existing documentation of the
direct _p accessor family. Remove the near-duplicate comment
on the _p accessors from cpu-all.h and replace it with a reference
to the comment in bswap.h.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1421334118-3287-16-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'include/exec/cpu-all.h')
| -rw-r--r-- | include/exec/cpu-all.h | 38 |
1 files changed, 2 insertions, 36 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index 5fdd2fee80..2c4828694b 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -115,43 +115,9 @@ static inline void tswap64s(uint64_t *s) #define bswaptls(s) bswap64s(s) #endif -/* CPU memory access without any memory or io remapping */ - -/* - * the generic syntax for the memory accesses is: - * - * load: ld{type}{sign}{size}{endian}_{access_type}(ptr) - * - * store: st{type}{size}{endian}_{access_type}(ptr, val) - * - * type is: - * (empty): integer access - * f : float access - * - * sign is: - * (empty): for floats or 32 bit size - * u : unsigned - * s : signed - * - * size is: - * b: 8 bits - * w: 16 bits - * l: 32 bits - * q: 64 bits - * - * endian is: - * (empty): target cpu endianness or 8 bit access - * r : reversed target cpu endianness (not implemented yet) - * be : big endian (not implemented yet) - * le : little endian (not implemented yet) - * - * access_type is: - * raw : host memory access - * user : user mode access using soft MMU - * kernel : kernel mode access using soft MMU +/* Target-endianness CPU memory access functions. These fit into the + * {ld,st}{type}{sign}{size}{endian}_p naming scheme described in bswap.h. */ - -/* target-endianness CPU memory access functions */ #if defined(TARGET_WORDS_BIGENDIAN) #define lduw_p(p) lduw_be_p(p) #define ldsw_p(p) ldsw_be_p(p) |