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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-04-15 13:28:02 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-04-15 13:28:02 +0100 |
| commit | 6742db6e6819687ab311199bfe76476947ed75ed (patch) | |
| tree | 3736ca574aebcce589b9769d62aeb96bc19b0176 /xen/arch/x86/hvm/i8254.c | |
| parent | ef3c86eb818614eb5a4bdd7c0c82b1e1346dd60e (diff) | |
| download | xen-6742db6e6819687ab311199bfe76476947ed75ed.tar.gz xen-6742db6e6819687ab311199bfe76476947ed75ed.tar.bz2 xen-6742db6e6819687ab311199bfe76476947ed75ed.zip | |
x86, hvm: I/O emulation handlers return X86EMUL_* return codes.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/hvm/i8254.c')
| -rw-r--r-- | xen/arch/x86/hvm/i8254.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/xen/arch/x86/hvm/i8254.c b/xen/arch/x86/hvm/i8254.c index 3cfd9dd47e..493b7317b9 100644 --- a/xen/arch/x86/hvm/i8254.c +++ b/xen/arch/x86/hvm/i8254.c @@ -487,7 +487,7 @@ static int handle_pit_io( if ( bytes != 1 ) { gdprintk(XENLOG_WARNING, "PIT bad access\n"); - return 1; + return X86EMUL_OKAY; } if ( dir == IOREQ_WRITE ) @@ -502,7 +502,7 @@ static int handle_pit_io( gdprintk(XENLOG_WARNING, "PIT: read A1:A0=3!\n"); } - return 1; + return X86EMUL_OKAY; } static void speaker_ioport_write( @@ -526,11 +526,7 @@ static int handle_speaker_io( { struct PITState *vpit = vcpu_vpit(current); - if ( bytes != 1 ) - { - gdprintk(XENLOG_WARNING, "PIT_SPEAKER bad access\n"); - return 1; - } + BUG_ON(bytes != 1); spin_lock(&vpit->lock); @@ -541,7 +537,7 @@ static int handle_speaker_io( spin_unlock(&vpit->lock); - return 1; + return X86EMUL_OKAY; } int pv_pit_handler(int port, int data, int write) |