Re: [PATCH] hvf: Fix value of MMU_PAGE_NX and add MMU_PAGE_RS

[Paolo Bonzini]

On 16/11/20 21:13, Jessica Clarke wrote:
> These are meant to correspond to the error code reported for #PF, so fix
> the definition for Instruction Fetch faults and add one for Reserved Bit
> faults (checking for that is currently a TODO in x86_mmu.c).
>
> Signed-off-by: Jessica Clarke <jrtc27@jrtc27.com>
> ---
>   target/i386/hvf/x86_mmu.h | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/target/i386/hvf/x86_mmu.h b/target/i386/hvf/x86_mmu.h
> index cd6e137e79..710adb82b5 100644
> --- a/target/i386/hvf/x86_mmu.h
> +++ b/target/i386/hvf/x86_mmu.h
> @@ -34,7 +34,8 @@
>   #define MMU_PAGE_PT             (1 << 0)
>   #define MMU_PAGE_WT             (1 << 1)
>   #define MMU_PAGE_US             (1 << 2)
> -#define MMU_PAGE_NX             (1 << 3)
> +#define MMU_PAGE_RS             (1 << 3)
> +#define MMU_PAGE_NX             (1 << 4)
>   
>   bool mmu_gva_to_gpa(struct CPUState *cpu, target_ulong gva, uint64_t *gpa);

Since you are at it, can you instead replace these flags with 
PG_ERROR_{P,W,U,RSVD,I_D}_MASK from cpu.h?

Thanks,

Paolo