Add M32R architecture support (bug #10020)

Still needs autotools support, so this won't actually _build_: it's just
a starting point.

6 files changed, 33 insertions, 6 deletions

diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
index 7b65da844..9e7f8219d 100644
--- a/hw/xfree86/common/compiler.h
+++ b/hw/xfree86/common/compiler.h
@@ -1363,7 +1363,7 @@ do {									\
 #    define write_mem_barrier()   /* NOP */
 
 #    if !defined(__SUNPRO_C)
-#    if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__)
+#    if !defined(FAKEIT) && !defined(__mc68000__) && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__m32r__)
 #     ifdef GCCUSESGAS
 
 /*
@@ -1472,7 +1472,7 @@ inl(unsigned short port)
 
 #     endif /* GCCUSESGAS */
 
-#    else /* !defined(FAKEIT) && !defined(__mc68000__)  && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__)*/
+#    else /* !defined(FAKEIT) && !defined(__mc68000__)  && !defined(__arm__) && !defined(__sh__) && !defined(__hppa__) && !defined(__m32r__) */
 
 static __inline__ void
 outb(unsigned short port, unsigned char val)
diff --git a/hw/xfree86/common/xf86Bus.c b/hw/xfree86/common/xf86Bus.c
index f7ffac85e..7e6b93a10 100644
--- a/hw/xfree86/common/xf86Bus.c
+++ b/hw/xfree86/common/xf86Bus.c
@@ -2773,7 +2773,7 @@ xf86FindPrimaryDevice()
     }
 }
 
-#if !defined(__sparc) && !defined(__sparc__) && !defined(__powerpc__) && !defined(__mips__) && !defined(__arm__)
+#if !defined(__sparc) && !defined(__sparc__) && !defined(__powerpc__) && !defined(__mips__) && !defined(__arm__) && !defined(__m32r__)
 #include "vgaHW.h"
 #include "compiler.h"
 #endif
@@ -2785,7 +2785,7 @@ static void
 CheckGenericGA()
 {
 /* This needs to be changed for multiple domains */
-#if !defined(__sparc__) && !defined(__sparc) && !defined(__powerpc__) && !defined(__mips__) && !defined(__ia64__) && !defined(__arm__) && !defined(__s390__)
+#if !defined(__sparc__) && !defined(__sparc) && !defined(__powerpc__) && !defined(__mips__) && !defined(__ia64__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__)
     IOADDRESS GenericIOBase = VGAHW_GET_IOBASE();
     CARD8 CurrentValue, TestValue;
 
diff --git a/hw/xfree86/os-support/bus/Pci.h b/hw/xfree86/os-support/bus/Pci.h
index b78d30720..1385eee85 100644
--- a/hw/xfree86/os-support/bus/Pci.h
+++ b/hw/xfree86/os-support/bus/Pci.h
@@ -237,6 +237,12 @@
 # if defined(linux)
 #  define ARCH_PCI_INIT linuxPciInit
 # endif
+#elif defined(__m32r__)
+# if defined(linux)
+#  define ARCH_PCI_INIT linuxPciInit
+#  define INCLUDE_XF86_MAP_PCI_MEM
+#  define INCLUDE_XF86_NO_DOMAIN
+# endif
 #elif defined(__sparc__) || defined(sparc)
 # if defined(linux)
 #  define ARCH_PCI_INIT linuxPciInit
diff --git a/hw/xfree86/os-support/linux/lnxResource.c b/hw/xfree86/os-support/linux/lnxResource.c
index 67af9db3d..734f4d674 100644
--- a/hw/xfree86/os-support/linux/lnxResource.c
+++ b/hw/xfree86/os-support/linux/lnxResource.c
@@ -65,6 +65,7 @@ xf86AccResFromOS(resPtr ret)
       defined(__sparc__) || \
       defined(__mips__) || \
       defined(__sh__) || \
+      defined(__m32r__) || \
       defined(__mc68000__) || \
       defined(__arm__) || \
       defined(__s390__) || \
diff --git a/hw/xfree86/os-support/linux/lnx_video.c b/hw/xfree86/os-support/linux/lnx_video.c
index 1bd2d575f..429593784 100644
--- a/hw/xfree86/os-support/linux/lnx_video.c
+++ b/hw/xfree86/os-support/linux/lnx_video.c
@@ -558,7 +558,7 @@ xf86EnableIO(void)
 #endif
 	}
 	close(fd);
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__)
+#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__s390__) && !defined(__arm__) && !defined(__m32r__)
         if (ioperm(0, 1024, 1) || iopl(3)) {
                 if (errno == ENODEV)
                         ErrorF("xf86EnableIOPorts: no I/O ports found\n");
@@ -585,7 +585,7 @@ xf86DisableIO(void)
 #if defined(__powerpc__)
 	munmap(ioBase, 0x20000);
 	ioBase = NULL;
-#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__)
+#elif !defined(__mc68000__) && !defined(__sparc__) && !defined(__mips__) && !defined(__sh__) && !defined(__hppa__) && !defined(__arm__) && !defined(__s390__) && !defined(__m32r__)
 	iopl(0);
 	ioperm(0, 1024, 0);
 #endif
diff --git a/include/servermd.h b/include/servermd.h
index 7b0a32840..8e6de0959 100644
--- a/include/servermd.h
+++ b/include/servermd.h
@@ -217,6 +217,26 @@ SOFTWARE.
 
 #endif /* SuperH */
 
+#if defined(__m32r__)
+
+#if defined(__BIG_ENDIAN__)
+# define IMAGE_BYTE_ORDER      MSBFirst
+# define BITMAP_BIT_ORDER      MSBFirst
+# define GLYPHPADBYTES         4
+# define GETLEFTBITS_ALIGNMENT 1
+#else
+# define IMAGE_BYTE_ORDER      LSBFirst
+# define BITMAP_BIT_ORDER      LSBFirst
+# define GLYPHPADBYTES         4
+# define GETLEFTBITS_ALIGNMENT 1
+#endif
+
+#define AVOID_MEMORY_READ
+#define FAST_CONSTANT_OFFSET_MODE
+#define LARGE_INSTRUCTION_CACHE
+#define PLENTIFUL_REGISTERS
+
+#endif /* __m32r__ */
 
 #if (defined(sun) && (defined(__sparc) || defined(sparc))) || \
     (defined(__uxp__) && (defined(sparc) || defined(mc68000))) || \