[v3,1/5] target/i386: Renumber EXCP_SYSCALL

Message ID 20200213032223.14643-2-richard.henderson@linaro.org
State New
Headers show
  • linux-user: Implement x86_64 vsyscalls
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Commit Message

Richard Henderson Feb. 13, 2020, 3:22 a.m.
We are not short of numbers for EXCP_*.  There is no need to confuse things
by having EXCP_VMEXIT and EXCP_SYSCALL overlap, even though the former is
only used for system mode and the latter is only used for user mode.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

 target/i386/cpu.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)



diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 576f309bbf..08b4422f36 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -999,9 +999,8 @@  typedef uint64_t FeatureWordArray[FEATURE_WORDS];
 #define EXCP11_ALGN	17
 #define EXCP12_MCHK	18
-#define EXCP_SYSCALL    0x100 /* only happens in user only emulation
-                                 for syscall instruction */
-#define EXCP_VMEXIT     0x100
+#define EXCP_VMEXIT     0x100 /* only for system emulation */
+#define EXCP_SYSCALL    0x101 /* only for user emulation */
 /* i386-specific interrupt pending bits.  */