[PATCH 1/2] xfree86: Fix type of IOPortBase to be a pointer
walter harms
wharms at bfs.de
Sun Oct 16 09:32:44 PDT 2011
Am 16.10.2011 06:38, schrieb Jeremy Huddleston:
>
> This addresses issues on 64bit systems where the IOPortBase is higher in
> memory space.
>
> Partially fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41038
>
> Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>
> ---
> hw/xfree86/common/compiler.h | 2 +-
> hw/xfree86/os-support/bsd/arm_video.c | 11 +++++------
> 2 files changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
> index 9e00d75..e4856a2 100644
> --- a/hw/xfree86/common/compiler.h
> +++ b/hw/xfree86/common/compiler.h
> @@ -714,7 +714,7 @@ xf86WriteMmio32LeNB(__volatile__ void *base, const unsigned long offset,
> # define PORT_SIZE short
> # endif
>
> -_X_EXPORT unsigned int IOPortBase; /* Memory mapped I/O port area */
> +_X_EXPORT pointer IOPortBase; /* Memory mapped I/O port area */
>
> static __inline__ void
> outb(unsigned PORT_SIZE port, unsigned char val)
> diff --git a/hw/xfree86/os-support/bsd/arm_video.c b/hw/xfree86/os-support/bsd/arm_video.c
> index b59c8e0..dac6587 100644
> --- a/hw/xfree86/os-support/bsd/arm_video.c
> +++ b/hw/xfree86/os-support/bsd/arm_video.c
> @@ -475,7 +475,7 @@ int ScreenNum;
> #endif
>
> #ifdef __arm32__
> - IOPortBase = (unsigned int)-1;
> + IOPortBase = (pointer)-1;
>
> if((memInfoP = checkMapInfo(TRUE, MMIO_REGION)) != NULL)
> {
> @@ -487,8 +487,7 @@ int ScreenNum;
> * actually mmap the start of the page, then the start of video
> * I/O space is added as an internal offset.
> */
> - IOPortBase = (unsigned int)xf86MapInfoMap(memInfoP,
> - (caddr_t)0x0, 0L)
> + IOPortBase = (pointer)xf86MapInfoMap(memInfoP, (caddr_t)0x0, 0L)
> - memInfoP->memInfo.u.map_info_mmap.internal_offset;
I would expect a NULL instead of (caddr_t)0x0.
re,
wh
> ExtendedEnabled = TRUE;
> return TRUE;
> @@ -502,10 +501,10 @@ int ScreenNum;
> MAP_FLAGS, devMemFd, (off_t)DEV_MEM_IOBASE);
>
> if (base != (pointer)-1)
> - IOPortBase = (unsigned int)base;
> + IOPortBase = base;
> }
>
> - if (IOPortBase == (unsigned int)-1)
> + if (IOPortBase == (pointer)-1)
> {
> xf86Msg(X_WARNING,"xf86EnableIOPorts: failed to open mem device or map IO base. \n\
> Make sure you have the Aperture Driver installed, or a kernel built with the INSECURE option\n");
> @@ -551,7 +550,7 @@ int ScreenNum;
> return;
>
> munmap((caddr_t)IOPortBase, 0x400);
> - IOPortBase = (unsigned int)-1;
> + IOPortBase = (pointer)-1;
> ExtendedEnabled = FALSE;
> #endif
>
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