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linux-user: Add code for PR_GET/SET_UNALIGN

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This requires extra work for each target, but adds the
common syscall code, and the necessary flag in CPUState.

Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211227150127.2659293-4-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2021-12-27 07:01:24 -08:00 • committed by Laurent Vivier
parent 220717a6f4
commit 6e8dcacd08
4 changed files with 56 additions and 7 deletions
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3
include/hw/core/cpu.h
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@ -413,6 +413,9 @@ struct CPUState {
bool ignore_memory_transaction_failures;
/* Used for user-only emulation of prctl(PR_SET_UNALIGN). */
bool prctl_unalign_sigbus;
struct hax_vcpu_state *hax_vcpu;
struct hvf_vcpu_state *hvf;