This reverts commit 1b30545c04a51bfa3ff95a26d64962907a62ff15.
Signed-off-by: Tiago Vignatti <[email protected]>
---
Matt, this patch breaks my ARM compilation (inside scratchbox) generating an
error like this:
make[5]: Entering directory
`/home/tiago/rebase/xserver/obj-arm-linux-gnueabi/hw/xfree86/x86emu'
CC sys.o
../../../../hw/xfree86/x86emu/sys.c: In function `X86EMU_setupPioFuncs':
../../../../hw/xfree86/x86emu/sys.c:374: error: structure has no member named
`xf_outb'
../../../../hw/xfree86/x86emu/sys.c:375: error: structure has no member named
`xf_outw'
../../../../hw/xfree86/x86emu/sys.c:376: error: structure has no member named
`xf_outl'
make[5]: *** [sys.lo] Error 1
make[5]: Leaving directory
`/home/tiago/rebase/xserver/obj-arm-linux-gnueabi/hw/xfree86/x86emu'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory
`/home/tiago/rebase/xserver/obj-arm-linux-gnueabi/hw/xfree86'
make[3]: *** [all] Error 2
make[3]: Leaving directory
`/home/tiago/rebase/xserver/obj-arm-linux-gnueabi/hw/xfree86'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/tiago/rebase/xserver/obj-arm-linux-gnueabi/hw'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/tiago/rebase/xserver/obj-arm-linux-gnueabi'
make: *** [build-stamp] Error 2
hw/xfree86/x86emu/sys.c | 183 ++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 182 insertions(+), 1 deletions(-)
diff --git a/hw/xfree86/x86emu/sys.c b/hw/xfree86/x86emu/sys.c
index 34d29db..e15fb09 100644
--- a/hw/xfree86/x86emu/sys.c
+++ b/hw/xfree86/x86emu/sys.c
@@ -45,7 +45,6 @@
#include "x86emu/regs.h"
#include "x86emu/debug.h"
#include "x86emu/prim_ops.h"
-#include "../common/compiler.h"
#ifndef NO_SYS_HEADERS
#include <string.h>
#endif
@@ -54,6 +53,164 @@
X86EMU_sysEnv _X86EMU_env; /* Global emulator machine
state */
X86EMU_intrFuncs _X86EMU_intrTab[256];
+/*----------------------------- Implementation ----------------------------*/
+#if defined(__alpha__) || defined(__alpha)
+/* to cope with broken egcs-1.1.2 :-(((( */
+
+#define ALPHA_UALOADS
+/*
+ * inline functions to do unaligned accesses
+ * from linux/include/asm-alpha/unaligned.h
+ */
+
+/*
+ * EGCS 1.1 knows about arbitrary unaligned loads. Define some
+ * packed structures to talk about such things with.
+ */
+
+#if defined(__GNUC__)
+struct __una_u64 { unsigned long x __attribute__((packed)); };
+struct __una_u32 { unsigned int x __attribute__((packed)); };
+struct __una_u16 { unsigned short x __attribute__((packed)); };
+#endif
+
+static __inline__ unsigned long ldq_u(unsigned long * r11)
+{
+#if defined(__GNUC__)
+ const struct __una_u64 *ptr = (const struct __una_u64 *) r11;
+ return ptr->x;
+#else
+ unsigned long r1,r2;
+ __asm__("ldq_u %0,%3\n\t"
+ "ldq_u %1,%4\n\t"
+ "extql %0,%2,%0\n\t"
+ "extqh %1,%2,%1"
+ :"=&r" (r1), "=&r" (r2)
+ :"r" (r11),
+ "m" (*r11),
+ "m" (*(const unsigned long *)(7+(char *) r11)));
+ return r1 | r2;
+#endif
+}
+
+static __inline__ unsigned long ldl_u(unsigned int * r11)
+{
+#if defined(__GNUC__)
+ const struct __una_u32 *ptr = (const struct __una_u32 *) r11;
+ return ptr->x;
+#else
+ unsigned long r1,r2;
+ __asm__("ldq_u %0,%3\n\t"
+ "ldq_u %1,%4\n\t"
+ "extll %0,%2,%0\n\t"
+ "extlh %1,%2,%1"
+ :"=&r" (r1), "=&r" (r2)
+ :"r" (r11),
+ "m" (*r11),
+ "m" (*(const unsigned long *)(3+(char *) r11)));
+ return r1 | r2;
+#endif
+}
+
+static __inline__ unsigned long ldw_u(unsigned short * r11)
+{
+#if defined(__GNUC__)
+ const struct __una_u16 *ptr = (const struct __una_u16 *) r11;
+ return ptr->x;
+#else
+ unsigned long r1,r2;
+ __asm__("ldq_u %0,%3\n\t"
+ "ldq_u %1,%4\n\t"
+ "extwl %0,%2,%0\n\t"
+ "extwh %1,%2,%1"
+ :"=&r" (r1), "=&r" (r2)
+ :"r" (r11),
+ "m" (*r11),
+ "m" (*(const unsigned long *)(1+(char *) r11)));
+ return r1 | r2;
+#endif
+}
+
+/*
+ * Elemental unaligned stores
+ */
+
+static __inline__ void stq_u(unsigned long r5, unsigned long * r11)
+{
+#if defined(__GNUC__)
+ struct __una_u64 *ptr = (struct __una_u64 *) r11;
+ ptr->x = r5;
+#else
+ unsigned long r1,r2,r3,r4;
+
+ __asm__("ldq_u %3,%1\n\t"
+ "ldq_u %2,%0\n\t"
+ "insqh %6,%7,%5\n\t"
+ "insql %6,%7,%4\n\t"
+ "mskqh %3,%7,%3\n\t"
+ "mskql %2,%7,%2\n\t"
+ "bis %3,%5,%3\n\t"
+ "bis %2,%4,%2\n\t"
+ "stq_u %3,%1\n\t"
+ "stq_u %2,%0"
+ :"=m" (*r11),
+ "=m" (*(unsigned long *)(7+(char *) r11)),
+ "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
+ :"r" (r5), "r" (r11));
+#endif
+}
+
+static __inline__ void stl_u(unsigned long r5, unsigned int * r11)
+{
+#if defined(__GNUC__)
+ struct __una_u32 *ptr = (struct __una_u32 *) r11;
+ ptr->x = r5;
+#else
+ unsigned long r1,r2,r3,r4;
+
+ __asm__("ldq_u %3,%1\n\t"
+ "ldq_u %2,%0\n\t"
+ "inslh %6,%7,%5\n\t"
+ "insll %6,%7,%4\n\t"
+ "msklh %3,%7,%3\n\t"
+ "mskll %2,%7,%2\n\t"
+ "bis %3,%5,%3\n\t"
+ "bis %2,%4,%2\n\t"
+ "stq_u %3,%1\n\t"
+ "stq_u %2,%0"
+ :"=m" (*r11),
+ "=m" (*(unsigned long *)(3+(char *) r11)),
+ "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
+ :"r" (r5), "r" (r11));
+#endif
+}
+
+static __inline__ void stw_u(unsigned long r5, unsigned short * r11)
+{
+#if defined(__GNUC__)
+ struct __una_u16 *ptr = (struct __una_u16 *) r11;
+ ptr->x = r5;
+#else
+ unsigned long r1,r2,r3,r4;
+
+ __asm__("ldq_u %3,%1\n\t"
+ "ldq_u %2,%0\n\t"
+ "inswh %6,%7,%5\n\t"
+ "inswl %6,%7,%4\n\t"
+ "mskwh %3,%7,%3\n\t"
+ "mskwl %2,%7,%2\n\t"
+ "bis %3,%5,%3\n\t"
+ "bis %2,%4,%2\n\t"
+ "stq_u %3,%1\n\t"
+ "stq_u %2,%0"
+ :"=m" (*r11),
+ "=m" (*(unsigned long *)(1+(char *) r11)),
+ "=&r" (r1), "=&r" (r2), "=&r" (r3), "=&r" (r4)
+ :"r" (r5), "r" (r11));
+#endif
+}
+#endif
+
/****************************************************************************
PARAMETERS:
addr - Emulator memory address to read
@@ -105,7 +262,13 @@ u16 X86API rdw(
}
else
#endif
+#if defined(ALPHA_UALOADS)
val = ldw_u((u16*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ val = uldw((u16*)(M.mem_base + addr));
+#else
+ val = *(u16*)(M.mem_base + addr);
+#endif
DB( if (DEBUG_MEM_TRACE())
printk("%#08x 2 -> %#x\n", addr, val);)
return val;
@@ -138,7 +301,13 @@ u32 X86API rdl(
}
else
#endif
+#if defined(ALPHA_UALOADS)
val = ldl_u((u32*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ val = uldl((u32*)(M.mem_base + addr));
+#else
+ val = *(u32*)(M.mem_base + addr);
+#endif
DB( if (DEBUG_MEM_TRACE())
printk("%#08x 4 -> %#x\n", addr, val);)
return val;
@@ -190,7 +359,13 @@ DB( if (DEBUG_MEM_TRACE())
}
else
#endif
+#if defined(ALPHA_UALOADS)
stw_u(val,(u16*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ ustw(val,(u16*)(M.mem_base + addr));
+#else
+ *(u16*)(M.mem_base + addr) = val;
+#endif
}
/****************************************************************************
@@ -220,7 +395,13 @@ DB( if (DEBUG_MEM_TRACE())
}
else
#endif
+#if defined(ALPHA_UALOADS)
stl_u(val,(u32*)(M.mem_base + addr));
+#elif defined(IA64_UALOADS)
+ ustl(val,(u32*)(M.mem_base + addr));
+#else
+ *(u32*)(M.mem_base + addr) = val;
+#endif
}
/****************************************************************************
--
1.5.6.3
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