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linux-user: Implement PI futexes 

Define the missing FUTEX_* constants in syscall_defs.h

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220829021006.67305-6-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2022-08-28 19:10:03 -07:00 committed by Laurent Vivier
parent 0f94673112
commit c72a90df47
2 changed files with 13 additions and 0 deletions
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10
linux-user/syscall.c
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@ -7788,8 +7788,17 @@ static int do_futex(CPUState *cpu, bool time64, target_ulong uaddr,
case FUTEX_WAIT_BITSET:
val = tswap32(val);
break;
case FUTEX_WAIT_REQUEUE_PI:
val = tswap32(val);
haddr2 = g2h(cpu, uaddr2);
break;
case FUTEX_LOCK_PI:
case FUTEX_LOCK_PI2:
break;
case FUTEX_WAKE:
case FUTEX_WAKE_BITSET:
case FUTEX_TRYLOCK_PI:
case FUTEX_UNLOCK_PI:
timeout = 0;
break;
case FUTEX_FD:
@ -7797,6 +7806,7 @@ static int do_futex(CPUState *cpu, bool time64, target_ulong uaddr,
timeout = 0;
break;
case FUTEX_CMP_REQUEUE:
case FUTEX_CMP_REQUEUE_PI:
val3 = tswap32(val3);
/* fall through */
case FUTEX_REQUEUE:

3
linux-user/syscall_defs.h
View File

@ -2699,6 +2699,9 @@ struct target_drm_i915_getparam {
#define FUTEX_TRYLOCK_PI 8
#define FUTEX_WAIT_BITSET 9
#define FUTEX_WAKE_BITSET 10
#define FUTEX_WAIT_REQUEUE_PI 11
#define FUTEX_CMP_REQUEUE_PI 12
#define FUTEX_LOCK_PI2 13
#define FUTEX_PRIVATE_FLAG 128
#define FUTEX_CLOCK_REALTIME 256