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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-02-12 10:48:39 -0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-02-16 11:04:53 +0000 |
| commit | 1720751f94492bb5947ac0e6e200950f824b9389 (patch) | |
| tree | 8340cef15db4b0d1c99d4ce5eab7ffec5492e846 /bsd-user/qemu.h | |
| parent | 68f77666649bcb033b2c563998b7c19016de6d8b (diff) | |
| download | qemu-1720751f94492bb5947ac0e6e200950f824b9389.zip | |
bsd-user: Tidy VERIFY_READ/VERIFY_WRITE
These constants are only ever used with access_ok, and friends.
Rather than translating them to PAGE_* bits, let them equal
the PAGE_* bits to begin.
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210212184902.1251044-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'bsd-user/qemu.h')
| -rw-r--r-- | bsd-user/qemu.h | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index f8bb1e5459..4076adabd0 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -218,13 +218,12 @@ extern unsigned long x86_stack_size; /* user access */ -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 /* implies read access */ +#define VERIFY_READ PAGE_READ +#define VERIFY_WRITE (PAGE_READ | PAGE_WRITE) -static inline int access_ok(int type, abi_ulong addr, abi_ulong size) +static inline bool access_ok(int type, abi_ulong addr, abi_ulong size) { - return page_check_range((target_ulong)addr, size, - (type == VERIFY_READ) ? PAGE_READ : (PAGE_READ | PAGE_WRITE)) == 0; + return page_check_range((target_ulong)addr, size, type) == 0; } /* NOTE __get_user and __put_user use host pointers and don't check access. */ |