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| author | Ian Campbell <ian.campbell@citrix.com> | 2012-12-20 11:53:08 +0000 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2012-12-20 11:53:08 +0000 |
| commit | 01775697ca620e7baa43f9eb9c9b07b903c6c3cb (patch) | |
| tree | 87014044cafd3e36fc4184d0863e890c6ef6df3a /xen/include/asm-arm/regs.h | |
| parent | 7a1db56b64749ae54fa5f32f71b115b92f2d64d0 (diff) | |
| download | xen-01775697ca620e7baa43f9eb9c9b07b903c6c3cb.tar.gz xen-01775697ca620e7baa43f9eb9c9b07b903c6c3cb.tar.bz2 xen-01775697ca620e7baa43f9eb9c9b07b903c6c3cb.zip | |
xen: arm: fix guest register access.
We weren't taking the guest mode (CPSR) into account and would always
access the user version of the registers.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
Committed-by: Ian Campbell <ian.campbell@citrix.com>
Diffstat (limited to 'xen/include/asm-arm/regs.h')
| -rw-r--r-- | xen/include/asm-arm/regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/xen/include/asm-arm/regs.h b/xen/include/asm-arm/regs.h index 54f6ed82ae..748694456f 100644 --- a/xen/include/asm-arm/regs.h +++ b/xen/include/asm-arm/regs.h @@ -30,6 +30,12 @@ #define return_reg(v) ((v)->arch.cpu_info->guest_cpu_user_regs.r0) +/* + * Returns a pointer to the given register value in regs, taking the + * processor mode (CPSR) into account. + */ +extern uint32_t *select_user_reg(struct cpu_user_regs *regs, int reg); + #endif /* __ARM_REGS_H__ */ /* * Local variables: |