[PATCH 3/3] Make MIPS use existing PowerPC code paths in lnx_video.c

Matt Turner mattst88 at gmail.com
Thu May 10 11:20:35 PDT 2012


This allows X to work on the Lemote Yeeloong laptop.

Signed-off-by: Matt Turner <mattst88 at gmail.com>
---

ioBase_phys = 0x1fd00000 is certainly a hack, and almost definitely breaks X on
SGI MIPS systems. How can I do this more cleanly? It seems mips doesn't have
pciconfig_iobase.

 hw/xfree86/dri/sarea.h                  |    2 ++
 hw/xfree86/os-support/linux/lnx_video.c |   14 +++++++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/hw/xfree86/dri/sarea.h b/hw/xfree86/dri/sarea.h
index 7a55b49..e3b7763 100644
--- a/hw/xfree86/dri/sarea.h
+++ b/hw/xfree86/dri/sarea.h
@@ -41,6 +41,8 @@
 /* SAREA area needs to be at least a page */
 #if defined(__alpha__)
 #define SAREA_MAX 			0x2000
+#elif defined(__mips__)
+#define SAREA_MAX			0x4000
 #elif defined(__ia64__)
 #define SAREA_MAX			0x10000 /* 64kB */
 #else
diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
index cd46f97..4b228ba 100644
--- a/hw/xfree86/os-support/linux/lnx_video.c
+++ b/hw/xfree86/os-support/linux/lnx_video.c
@@ -487,16 +487,20 @@ volatile unsigned char *ioBase = NULL;
 Bool
 xf86EnableIO(void)
 {
-#if defined(__powerpc__)
+#if defined(__powerpc__) || defined(__mips__)
     int fd;
-    unsigned int ioBase_phys;
+    unsigned long ioBase_phys;
 #endif
 
     if (ExtendedEnabled)
         return TRUE;
 
+#if defined(__powerpc__) || defined(__mips__)
 #if defined(__powerpc__)
     ioBase_phys = syscall(__NR_pciconfig_iobase, 2, 0, 0);
+#elif defined(__mips__)
+    ioBase_phys = 0x1fd00000;
+#endif
 
     fd = open("/dev/mem", O_RDWR);
     if (ioBase == NULL) {
@@ -514,7 +518,7 @@ xf86EnableIO(void)
 #endif
     }
     close(fd);
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__) && !defined(__m32r__) && !defined(__nds32__)
+#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__) && !defined(__nds32__)
     if (ioperm(0, 1024, 1) || iopl(3)) {
         if (errno == ENODEV)
             ErrorF("xf86EnableIOPorts: no I/O ports found\n");
@@ -540,10 +544,10 @@ xf86DisableIO(void)
 {
     if (!ExtendedEnabled)
         return;
-#if defined(__powerpc__)
+#if defined(__powerpc__) || defined(__mips__)
     munmap(ioBase, 0x20000);
     ioBase = NULL;
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__) && !defined(__nds32__)
+#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__) && !defined(__nds32__)
     iopl(0);
     ioperm(0, 1024, 0);
 #endif
-- 
1.7.3.4



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