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qemu: Updated (0.9.0 -> r6511) - kqemu temporarily removed

cross
Alejandro Mery 16 years ago
parent
2c296da89a
commit
94a5e9b09a
10 changed files with 28 additions and 1261 deletions
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  1. +0
    -18
      emulators/qemu/pkg_linux26_post.conf
  2. +0
    -16
      emulators/qemu/pkg_linux26mm_post.conf
  3. +0
    -35
      emulators/qemu/postlinux.conf
  4. +0
    -34
      emulators/qemu/qemu-0.9.0-enforce-16byte-boundaries.patch
  5. +0
    -140
      emulators/qemu/qemu-0.9.0-gcc4-hacks.patch
  6. +0
    -893
      emulators/qemu/qemu-0.9.0-gcc4.patch
  7. +0
    -95
      emulators/qemu/qemu-0.9.0-x86_64-opts.patch
  8. +17
    -7
      emulators/qemu/qemu.cache
  9. +1
    -9
      emulators/qemu/qemu.conf
  10. +10
    -14
      emulators/qemu/qemu.desc

+ 0
- 18
emulators/qemu/pkg_linux26_post.conf
View File

@ -1,18 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/pkg_linux26_post.conf
# Copyright (C) 2006 - 2007 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
if atstage native && [[ $arch = x86* ]]; then
var_insert lx_3rd_party_modules " " "qemu"
fi

+ 0
- 16
emulators/qemu/pkg_linux26mm_post.conf
View File

@ -1,16 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/pkg_linux26mm_post.conf
# Copyright (C) 2006 - 2007 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
. $base/package/*/qemu/pkg_linux26_post.conf

+ 0
- 35
emulators/qemu/postlinux.conf
View File

@ -1,35 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/postlinux.conf
# Copyright (C) 2007 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
# reuse the patch magic
. $confdir/$pkg.conf
var_append makeopt " " "CC=$KCC"
makeinstopt=
# only build the kernel module
hook_add preconf 3 'cd kqemu-*'
# pass the kernel location
var_append extraconfopt ' ' '--disable-gfx-check --kernel-path=$kerneldir'
qemu_install ()
{
mkdir -p $moduledir/misc
cp -vf kqemu.ko $moduledir/misc/ ||
cp -vf kqemu.o $moduledir/misc/
}
hook_add postmake 5 qemu_install

+ 0
- 34
emulators/qemu/qemu-0.9.0-enforce-16byte-boundaries.patch
View File

@ -1,34 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/qemu-0.9.0-enforce-16byte-boundaries.patch
# Copyright (C) 2007 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
2007-04-12 rediffed for qemu 0.9.0
2006-02-12 Gwenole Beauchesne <gbeauchesne@mandriva.com>
* Enforce 16-byte boundaries.
diff -ruN qemu-0.9.0/Makefile.target qemu-0.9.0-enforce-16byte-boundaries/Makefile.target
--- qemu-0.9.0/Makefile.target 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-enforce-16byte-boundaries/Makefile.target 2007-04-12 17:29:20.000000000 +0200
@@ -74,7 +74,7 @@
ifeq ($(ARCH),i386)
HELPER_CFLAGS+=-fomit-frame-pointer
-OP_CFLAGS+=-mpreferred-stack-boundary=2 -fomit-frame-pointer
+OP_CFLAGS+=-fomit-frame-pointer
ifeq ($(HAVE_GCC3_OPTIONS),yes)
OP_CFLAGS+= -falign-functions=0 -fno-gcse
else

+ 0
- 140
emulators/qemu/qemu-0.9.0-gcc4-hacks.patch
View File

@ -1,140 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/qemu-0.9.0-gcc4-hacks.patch
# Copyright (C) 2007 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
2007-04-12 rediffed for qemu 0.9.0
2005-10-28 Gwenole Beauchesne <gbeauchesne@mandriva.com>
* Various additional hacks for GCC4.
diff -ruN qemu-0.9.0/cpu-all.h qemu-0.9.0-gcc4-hacks/cpu-all.h
--- qemu-0.9.0/cpu-all.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4-hacks/cpu-all.h 2007-04-12 17:20:17.000000000 +0200
@@ -339,7 +339,13 @@
static inline void stq_le_p(void *ptr, uint64_t v)
{
+#if defined(__i386__) && __GNUC__ >= 4
+ const union { uint64_t v; uint32_t p[2]; } x = { .v = v };
+ ((uint32_t *)ptr)[0] = x.p[0];
+ ((uint32_t *)ptr)[1] = x.p[1];
+#else
*(uint64_t *)ptr = v;
+#endif
}
/* float access */
diff -ruN qemu-0.9.0/softmmu_header.h qemu-0.9.0-gcc4-hacks/softmmu_header.h
--- qemu-0.9.0/softmmu_header.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4-hacks/softmmu_header.h 2007-04-12 17:20:17.000000000 +0200
@@ -108,7 +108,7 @@
void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr, DATA_TYPE v, int is_user);
#if (DATA_SIZE <= 4) && (TARGET_LONG_BITS == 32) && defined(__i386__) && \
- (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU)
+ (ACCESS_TYPE <= 1) && defined(ASM_SOFTMMU) && (__GNUC__ < 4)
#define CPU_TLB_ENTRY_BITS 4
@@ -150,7 +150,7 @@
"m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_read)),
"i" (CPU_MEM_INDEX),
"m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
- : "%eax", "%ecx", "%edx", "memory", "cc");
+ : "%eax", "%edx", "memory", "cc");
return res;
}
@@ -197,13 +197,14 @@
"m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_read)),
"i" (CPU_MEM_INDEX),
"m" (*(uint8_t *)&glue(glue(__ld, SUFFIX), MMUSUFFIX))
- : "%eax", "%ecx", "%edx", "memory", "cc");
+ : "%eax", "%edx", "memory", "cc");
return res;
}
#endif
-static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
+static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE val)
{
+ RES_TYPE v = val;
asm volatile ("movl %0, %%edx\n"
"movl %0, %%eax\n"
"shrl %3, %%edx\n"
@@ -240,16 +241,14 @@
"2:\n"
:
: "r" (ptr),
-/* NOTE: 'q' would be needed as constraint, but we could not use it
- with T1 ! */
- "r" (v),
+ "q" (v),
"i" ((CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS),
"i" (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS),
"i" (TARGET_PAGE_MASK | (DATA_SIZE - 1)),
"m" (*(uint32_t *)offsetof(CPUState, tlb_table[CPU_MEM_INDEX][0].addr_write)),
"i" (CPU_MEM_INDEX),
"m" (*(uint8_t *)&glue(glue(__st, SUFFIX), MMUSUFFIX))
- : "%eax", "%ecx", "%edx", "memory", "cc");
+ : "%eax", "%edx", "memory", "cc");
}
#else
diff -ruN qemu-0.9.0/target-i386/helper.c qemu-0.9.0-gcc4-hacks/target-i386/helper.c
--- qemu-0.9.0/target-i386/helper.c 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4-hacks/target-i386/helper.c 2007-04-12 17:20:17.000000000 +0200
@@ -3452,8 +3452,15 @@
nb_xmm_regs = 8 << data64;
addr = ptr + 0xa0;
for(i = 0; i < nb_xmm_regs; i++) {
+#if defined(__i386__) && __GNUC__ >= 4
+ env->xmm_regs[i].XMM_L(0) = ldl(addr);
+ env->xmm_regs[i].XMM_L(1) = ldl(addr + 4);
+ env->xmm_regs[i].XMM_L(2) = ldl(addr + 8);
+ env->xmm_regs[i].XMM_L(3) = ldl(addr + 12);
+#else
env->xmm_regs[i].XMM_Q(0) = ldq(addr);
env->xmm_regs[i].XMM_Q(1) = ldq(addr + 8);
+#endif
addr += 16;
}
}
diff -ruN qemu-0.9.0/target-i386/ops_sse.h qemu-0.9.0-gcc4-hacks/target-i386/ops_sse.h
--- qemu-0.9.0/target-i386/ops_sse.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4-hacks/target-i386/ops_sse.h 2007-04-12 17:20:17.000000000 +0200
@@ -34,6 +34,12 @@
#define Q(n) XMM_Q(n)
#define SUFFIX _xmm
#endif
+#if defined(__i386__) && __GNUC__ >= 4
+#define RegCopy(d, s) __builtin_memcpy(&(d), &(s), sizeof(d))
+#endif
+#ifndef RegCopy
+#define RegCopy(d, s) d = s
+#endif
void OPPROTO glue(op_psrlw, SUFFIX)(void)
{
@@ -589,7 +595,7 @@
r.W(1) = s->W((order >> 2) & 3);
r.W(2) = s->W((order >> 4) & 3);
r.W(3) = s->W((order >> 6) & 3);
- *d = r;
+ RegCopy(*d, r);
}
#else
void OPPROTO op_shufps(void)

+ 0
- 893
emulators/qemu/qemu-0.9.0-gcc4.patch
View File

@ -1,893 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/qemu-0.9.0-gcc4.patch
# Copyright (C) 2007 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
2007-04-12 rediffed for qemu 0.9.0
2005-06-02 Gwenole Beauchesne <gbeauchesne@mandriva.com>
* dyngen.c (trace_i386_insn): Fix push/imul case with 8-bit
immediate.
2005-05-11 Paul Brook <paul@codesourcery.com>
* gcc4 host support.
diff -ruN qemu-0.9.0/dyngen-exec.h qemu-0.9.0-gcc4/dyngen-exec.h
--- qemu-0.9.0/dyngen-exec.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4/dyngen-exec.h 2007-04-12 17:24:57.000000000 +0200
@@ -191,7 +191,12 @@
#endif
/* force GCC to generate only one epilog at the end of the function */
+#if defined(__i386__) || defined(__x86_64__)
+/* Also add 4 bytes of padding so that we can replace the ret with a jmp. */
+#define FORCE_RET() __asm__ __volatile__("nop;nop;nop;nop" : : : "memory");
+#else
#define FORCE_RET() __asm__ __volatile__("" : : : "memory");
+#endif
#ifndef OPPROTO
#define OPPROTO
@@ -241,12 +246,19 @@
#endif
#ifdef __i386__
-#define EXIT_TB() asm volatile ("ret")
-#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)
+/* Dyngen will replace hlt instructions with a ret instruction. Inserting a
+ ret directly would confuse dyngen. */
+#define EXIT_TB() asm volatile ("hlt")
+/* Dyngen will replace cli with 0x9e (jmp).
+ We generate the offset manually. */
+#define GOTO_LABEL_PARAM(n) \
+ asm volatile ("cli;.long " ASM_NAME(__op_gen_label) #n " - 1f;1:")
#endif
#ifdef __x86_64__
-#define EXIT_TB() asm volatile ("ret")
-#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)
+/* The same as i386. */
+#define EXIT_TB() asm volatile ("hlt")
+#define GOTO_LABEL_PARAM(n) \
+ asm volatile ("cli;.long " ASM_NAME(__op_gen_label) #n " - 1f;1:")
#endif
#ifdef __powerpc__
#define EXIT_TB() asm volatile ("blr")
diff -ruN qemu-0.9.0/dyngen.c qemu-0.9.0-gcc4/dyngen.c
--- qemu-0.9.0/dyngen.c 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4/dyngen.c 2007-04-12 17:24:57.000000000 +0200
@@ -32,6 +32,8 @@
#include "config-host.h"
+//#define DEBUG_OP
+
/* NOTE: we test CONFIG_WIN32 instead of _WIN32 to enabled cross
compilation */
#if defined(CONFIG_WIN32)
@@ -1414,6 +1416,644 @@
#endif
+#if defined(HOST_I386) || defined(HOST_X86_64)
+
+/* This byte is the first byte of an instruction. */
+#define FLAG_INSN (1 << 0)
+/* This byte has been processed as part of an instruction. */
+#define FLAG_SCANNED (1 << 1)
+/* This instruction is a return instruction. Gcc cometimes generates prefix
+ bytes, so may be more than one byte long. */
+#define FLAG_RET (1 << 2)
+/* This is either the target of a jump, or the preceeding instruction uses
+ a pc-relative offset. */
+#define FLAG_TARGET (1 << 3)
+/* This is a magic instruction that needs fixing up. */
+#define FLAG_EXIT (1 << 4)
+#define MAX_EXITS 5
+
+static void
+bad_opcode(const char *name, uint32_t op)
+{
+ error("Unsupported opcode %0*x in %s", (op > 0xff) ? 4 : 2, op, name);
+}
+
+/* Mark len bytes as scanned, Returns insn_size + len. Reports an error
+ if these bytes have already been scanned. */
+static int
+eat_bytes(const char *name, char *flags, int insn, int insn_size, int len)
+{
+ while (len > 0) {
+ /* This should never occur in sane code. */
+ if (flags[insn + insn_size] & FLAG_SCANNED)
+ error ("Overlapping instructions in %s", name);
+ flags[insn + insn_size] |= FLAG_SCANNED;
+ insn_size++;
+ len--;
+ }
+ return insn_size;
+}
+
+static void
+trace_i386_insn (const char *name, uint8_t *start_p, char *flags, int insn,
+ int len)
+{
+ uint8_t *ptr;
+ uint8_t op;
+ int modrm;
+ int is_prefix;
+ int op_size;
+ int addr_size;
+ int insn_size;
+ int is_ret;
+ int is_condjmp;
+ int is_jmp;
+ int is_exit;
+ int is_pcrel;
+ int immed;
+ int seen_rexw;
+ int32_t disp;
+
+ ptr = start_p + insn;
+ /* nonzero if this insn has a ModR/M byte. */
+ modrm = 1;
+ /* The size of the immediate value in this instruction. */
+ immed = 0;
+ /* The operand size. */
+ op_size = 4;
+ /* The address size */
+ addr_size = 4;
+ /* The total length of this instruction. */
+ insn_size = 0;
+ is_prefix = 1;
+ is_ret = 0;
+ is_condjmp = 0;
+ is_jmp = 0;
+ is_exit = 0;
+ seen_rexw = 0;
+ is_pcrel = 0;
+
+ while (is_prefix) {
+ op = ptr[insn_size];
+ insn_size = eat_bytes(name, flags, insn, insn_size, 1);
+ is_prefix = 0;
+ switch (op >> 4) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ if (op == 0x0f) {
+ /* two-byte opcode. */
+ op = ptr[insn_size];
+ insn_size = eat_bytes(name, flags, insn, insn_size, 1);
+ switch (op >> 4) {
+ case 0:
+ if ((op & 0xf) > 3)
+ modrm = 0;
+ break;
+ case 1: /* vector move or prefetch */
+ case 2: /* various moves and vector compares. */
+ case 4: /* cmov */
+ case 5: /* vector instructions */
+ case 6:
+ case 13:
+ case 14:
+ case 15:
+ break;
+ case 7: /* mmx */
+ if (op & 0x77) /* emms */
+ modrm = 0;
+ break;
+ case 3: /* wrmsr, rdtsc, rdmsr, rdpmc, sysenter, sysexit */
+ modrm = 0;
+ break;
+ case 8: /* long conditional jump */
+ is_condjmp = 1;
+ immed = op_size;
+ modrm = 0;
+ break;
+ case 9: /* setcc */
+ break;
+ case 10:
+ switch (op & 0x7) {
+ case 0: /* push fs/gs */
+ case 1: /* pop fs/gs */
+ case 2: /* cpuid/rsm */
+ modrm = 0;
+ break;
+ case 4: /* shld/shrd immediate */
+ immed = 1;
+ break;
+ default: /* Normal instructions with a ModR/M byte. */
+ break;
+ }
+ break;
+ case 11:
+ switch (op & 0xf) {
+ case 10: /* bt, bts, btr, btc */
+ immed = 1;
+ break;
+ default:
+ /* cmpxchg, lss, btr, lfs, lgs, movzx, btc, bsf, bsr
+ undefined, and movsx */
+ break;
+ }
+ break;
+ case 12:
+ if (op & 8) {
+ /* bswap */
+ modrm = 0;
+ } else {
+ switch (op & 0x7) {
+ case 2:
+ case 4:
+ case 5:
+ case 6:
+ immed = 1;
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ }
+ } else if ((op & 0x07) <= 0x3) {
+ /* General arithmentic ax. */
+ } else if ((op & 0x07) <= 0x5) {
+ /* General arithmetic ax, immediate. */
+ if (op & 0x01)
+ immed = op_size;
+ else
+ immed = 1;
+ modrm = 0;
+ } else if ((op & 0x23) == 0x22) {
+ /* Segment prefix. */
+ is_prefix = 1;
+ } else {
+ /* Segment register push/pop or DAA/AAA/DAS/AAS. */
+ modrm = 0;
+ }
+ break;
+
+#if defined(HOST_X86_64)
+ case 4: /* rex prefix. */
+ is_prefix = 1;
+ /* The address/operand size is actually 64-bit, but the immediate
+ values in the instruction are still 32-bit. */
+ op_size = 4;
+ addr_size = 4;
+ if (op & 8)
+ seen_rexw = 1;
+ break;
+#else
+ case 4: /* inc/dec register. */
+#endif
+ case 5: /* push/pop general register. */
+ modrm = 0;
+ break;
+
+ case 6:
+ switch (op & 0x0f) {
+ case 0: /* pusha */
+ case 1: /* popa */
+ modrm = 0;
+ break;
+ case 2: /* bound */
+ case 3: /* arpl */
+ break;
+ case 4: /* FS */
+ case 5: /* GS */
+ is_prefix = 1;
+ break;
+ case 6: /* opcode size prefix. */
+ op_size = 2;
+ is_prefix = 1;
+ break;
+ case 7: /* Address size prefix. */
+ addr_size = 2;
+ is_prefix = 1;
+ break;
+ case 8: /* push immediate */
+ immed = op_size;
+ modrm = 0;
+ break;
+ case 10: /* push 8-bit immediate */
+ immed = 1;
+ modrm = 0;
+ break;
+ case 9: /* imul immediate */
+ immed = op_size;
+ break;
+ case 11: /* imul 8-bit immediate */
+ immed = 1;
+ break;
+ case 12: /* insb */
+ case 13: /* insw */
+ case 14: /* outsb */
+ case 15: /* outsw */
+ modrm = 0;
+ break;
+ }
+ break;
+
+ case 7: /* Short conditional jump. */
+ is_condjmp = 1;
+ immed = 1;
+ modrm = 0;
+ break;
+
+ case 8:
+ if ((op & 0xf) <= 3) {
+ /* arithmetic immediate. */
+ if ((op & 3) == 1)
+ immed = op_size;
+ else
+ immed = 1;
+ }
+ /* else test, xchg, mov, lea or pop general. */
+ break;
+
+ case 9:
+ /* Various single-byte opcodes with no modrm byte. */
+ modrm = 0;
+ if (op == 10) {
+ /* Call */
+ immed = 4;
+ }
+ break;
+
+ case 10:
+ switch ((op & 0xe) >> 1) {
+ case 0: /* mov absoliute immediate. */
+ case 1:
+ if (seen_rexw)
+ immed = 8;
+ else
+ immed = addr_size;
+ break;
+ case 4: /* test immediate. */
+ if (op & 1)
+ immed = op_size;
+ else
+ immed = 1;
+ break;
+ default: /* Various string ops. */
+ break;
+ }
+ modrm = 0;
+ break;
+
+ case 11: /* move immediate to register */
+ if (op & 8) {
+ if (seen_rexw)
+ immed = 8;
+ else
+ immed = op_size;
+ } else {
+ immed = 1;
+ }
+ modrm = 0;
+ break;
+
+ case 12:
+ switch (op & 0xf) {
+ case 0: /* shift immediate */
+ case 1:
+ immed = 1;
+ break;
+ case 2: /* ret immediate */
+ immed = 2;
+ modrm = 0;
+ bad_opcode(name, op);
+ break;
+ case 3: /* ret */
+ modrm = 0;
+ is_ret = 1;
+ case 4: /* les */
+ case 5: /* lds */
+ break;
+ case 6: /* mov immediate byte */
+ immed = 1;
+ break;
+ case 7: /* mov immediate */
+ immed = op_size;
+ break;
+ case 8: /* enter */
+ /* TODO: Is this right? */
+ immed = 3;
+ modrm = 0;
+ break;
+ case 10: /* retf immediate */
+ immed = 2;
+ modrm = 0;
+ bad_opcode(name, op);
+ break;
+ case 13: /* int */
+ immed = 1;
+ modrm = 0;
+ break;
+ case 11: /* retf */
+ case 15: /* iret */
+ modrm = 0;
+ bad_opcode(name, op);
+ break;
+ default: /* leave, int3 or into */
+ modrm = 0;
+ break;
+ }
+ break;
+
+ case 13:
+ if ((op & 0xf) >= 8) {
+ /* Coprocessor escape. For our purposes this is just a normal
+ instruction with a ModR/M byte. */
+ } else if ((op & 0xf) >= 4) {
+ /* AAM, AAD or XLAT */
+ modrm = 0;
+ }
+ /* else shift instruction */
+ break;
+
+ case 14:
+ switch ((op & 0xc) >> 2) {
+ case 0: /* loop or jcxz */
+ is_condjmp = 1;
+ immed = 1;
+ break;
+ case 1: /* in/out immed */
+ immed = 1;
+ break;
+ case 2: /* call or jmp */
+ switch (op & 3) {
+ case 0: /* call */
+ immed = op_size;
+ break;
+ case 1: /* long jump */
+ immed = 4;
+ is_jmp = 1;
+ break;
+ case 2: /* far jmp */
+ bad_opcode(name, op);
+ break;
+ case 3: /* short jmp */
+ immed = 1;
+ is_jmp = 1;
+ break;
+ }
+ break;
+ case 3: /* in/out register */
+ break;
+ }
+ modrm = 0;
+ break;
+
+ case 15:
+ switch ((op & 0xe) >> 1) {
+ case 0:
+ case 1:
+ is_prefix = 1;
+ break;
+ case 2:
+ case 4:
+ case 5:
+ case 6:
+ modrm = 0;
+ /* Some privileged insns are used as markers. */
+ switch (op) {
+ case 0xf4: /* hlt: Exit translation block. */
+ is_exit = 1;
+ break;
+ case 0xfa: /* cli: Jump to label. */
+ is_exit = 1;
+ immed = 4;
+ break;
+ case 0xfb: /* sti: TB patch jump. */
+ /* Mark the insn for patching, but continue sscanning. */
+ flags[insn] |= FLAG_EXIT;
+ immed = 4;
+ break;
+ }
+ break;
+ case 3: /* unary grp3 */
+ if ((ptr[insn_size] & 0x38) == 0) {
+ if (op == 0xf7)
+ immed = op_size;
+ else
+ immed = 1; /* test immediate */
+ }
+ break;
+ case 7: /* inc/dec grp4/5 */
+ /* TODO: This includes indirect jumps. We should fail if we
+ encounter one of these. */
+ break;
+ }
+ break;
+ }
+ }
+
+ if (modrm) {
+ if (addr_size != 4)
+ error("16-bit addressing mode used in %s", name);
+
+ disp = 0;
+ modrm = ptr[insn_size];
+ insn_size = eat_bytes(name, flags, insn, insn_size, 1);
+ modrm &= 0xc7;
+ switch ((modrm & 0xc0) >> 6) {
+ case 0:
+ if (modrm == 5)
+ disp = 4;
+ break;
+ case 1:
+ disp = 1;
+ break;
+ case 2:
+ disp = 4;
+ break;
+ }
+ if ((modrm & 0xc0) != 0xc0 && (modrm & 0x7) == 4) {
+ /* SIB byte */
+ if (modrm == 4 && (ptr[insn_size] & 0x7) == 5) {
+ disp = 4;
+ is_pcrel = 1;
+ }
+ insn_size = eat_bytes(name, flags, insn, insn_size, 1);
+ }
+ insn_size = eat_bytes(name, flags, insn, insn_size, disp);
+ }
+ insn_size = eat_bytes(name, flags, insn, insn_size, immed);
+ if (is_condjmp || is_jmp) {
+ if (immed == 1) {
+ disp = (int8_t)*(ptr + insn_size - 1);
+ } else {
+ disp = (((int32_t)*(ptr + insn_size - 1)) << 24)
+ | (((int32_t)*(ptr + insn_size - 2)) << 16)
+ | (((int32_t)*(ptr + insn_size - 3)) << 8)
+ | *(ptr + insn_size - 4);
+ }
+ disp += insn_size;
+ /* Jumps to external symbols point to the address of the offset
+ before relocation. */
+ /* ??? These are probably a tailcall. We could fix them up by
+ replacing them with jmp to EOB + call, but it's easier to just
+ prevent the compiler generating them. */
+ if (disp == 1)
+ error("Unconditional jump (sibcall?) in %s", name);
+ disp += insn;
+ if (disp < 0 || disp > len)
+ error("Jump outside instruction in %s", name);
+
+ if ((flags[disp] & (FLAG_INSN | FLAG_SCANNED)) == FLAG_SCANNED)
+ error("Overlapping instructions in %s", name);
+
+ flags[disp] |= (FLAG_INSN | FLAG_TARGET);
+ is_pcrel = 1;
+ }
+ if (is_pcrel) {
+ /* Mark the following insn as a jump target. This will stop
+ this instruction being moved. */
+ flags[insn + insn_size] |= FLAG_TARGET;
+ }
+ if (is_ret)
+ flags[insn] |= FLAG_RET;
+
+ if (is_exit)
+ flags[insn] |= FLAG_EXIT;
+
+ if (!(is_jmp || is_ret || is_exit))
+ flags[insn + insn_size] |= FLAG_INSN;
+}
+
+/* Scan a function body. Returns the position of the return sequence.
+ Sets *patch_bytes to the number of bytes that need to be copied from that
+ location. If no patching is required (ie. the return is the last insn)
+ *patch_bytes will be set to -1. *plen is the number of code bytes to copy.
+ */
+static int trace_i386_op(const char * name, uint8_t *start_p, int *plen,
+ int *patch_bytes, int *exit_addrs)
+{
+ char *flags;
+ int more;
+ int insn;
+ int retpos;
+ int bytes;
+ int num_exits;
+ int len;
+ int last_insn;
+
+ len = *plen;
+ flags = malloc(len + 1);
+ memset(flags, 0, len + 1);
+ flags[0] |= FLAG_INSN;
+ more = 1;
+ while (more) {
+ more = 0;
+ for (insn = 0; insn < len; insn++) {
+ if ((flags[insn] & (FLAG_INSN | FLAG_SCANNED)) == FLAG_INSN) {
+ trace_i386_insn(name, start_p, flags, insn, len);
+ more = 1;
+ }
+ }
+ }
+
+ /* Strip any unused code at the end of the function. */
+ while (len > 0 && flags[len - 1] == 0)
+ len--;
+
+ retpos = -1;
+ num_exits = 0;
+ last_insn = 0;
+ for (insn = 0; insn < len; insn++) {
+ if (flags[insn] & FLAG_RET) {
+ /* ??? In theory it should be possible to handle multiple return
+ points. In practice it's not worth the effort. */
+ if (retpos != -1)
+ error("Multiple return instructions in %s", name);
+ retpos = insn;
+ }
+ if (flags[insn] & FLAG_EXIT) {
+ if (num_exits == MAX_EXITS)
+ error("Too many block exits in %s", name);
+ exit_addrs[num_exits] = insn;
+ num_exits++;
+ }
+ if (flags[insn] & FLAG_INSN)
+ last_insn = insn;
+ }
+
+ exit_addrs[num_exits] = -1;
+ if (retpos == -1) {
+ if (num_exits == 0) {
+ error ("No return instruction found in %s", name);
+ } else {
+ retpos = len;
+ last_insn = len;
+ }
+ }
+
+ /* If the return instruction is the last instruction we can just
+ remove it. */
+ if (retpos == last_insn)
+ *patch_bytes = -1;
+ else
+ *patch_bytes = 0;
+
+ /* Back up over any nop instructions. */
+ while (retpos > 0
+ && (flags[retpos] & FLAG_TARGET) == 0
+ && (flags[retpos - 1] & FLAG_INSN) != 0
+ && start_p[retpos - 1] == 0x90) {
+ retpos--;
+ }
+
+ if (*patch_bytes == -1) {
+ *plen = retpos;
+ free (flags);
+ return retpos;
+ }
+ *plen = len;
+
+ /* The ret is in the middle of the function. Find four more bytes that
+ so the ret can be replaced by a jmp. */
+ /* ??? Use a short jump where possible. */
+ bytes = 4;
+ insn = retpos + 1;
+ /* We can clobber everything up to the next jump target. */
+ while (insn < len && bytes > 0 && (flags[insn] & FLAG_TARGET) == 0) {
+ insn++;
+ bytes--;
+ }
+ if (bytes > 0) {
+ /* ???: Strip out nop blocks. */
+ /* We can't do the replacement without clobbering anything important.
+ Copy preceeding instructions(s) to give us some space. */
+ while (retpos > 0) {
+ /* If this byte is the target of a jmp we can't move it. */
+ if (flags[retpos] & FLAG_TARGET)
+ break;
+
+ (*patch_bytes)++;
+ bytes--;
+ retpos--;
+
+ /* Break out of the loop if we have enough space and this is either
+ the first byte of an instruction or a pad byte. */
+ if ((flags[retpos] & (FLAG_INSN | FLAG_SCANNED)) != FLAG_SCANNED
+ && bytes <= 0) {
+ break;
+ }
+ }
+ }
+
+ if (bytes > 0)
+ error("Unable to replace ret with jmp in %s\n", name);
+
+ free(flags);
+ return retpos;
+}
+
+#endif
+
#define MAX_ARGS 3
/* generate op code */
@@ -1427,6 +2067,11 @@
uint8_t args_present[MAX_ARGS];
const char *sym_name, *p;
EXE_RELOC *rel;
+#if defined(HOST_I386) || defined(HOST_X86_64)
+ int patch_bytes;
+ int retpos;
+ int exit_addrs[MAX_EXITS];
+#endif
/* Compute exact size excluding prologue and epilogue instructions.
* Increment start_offset to skip epilogue instructions, then compute
@@ -1437,33 +2082,12 @@
p_end = p_start + size;
start_offset = offset;
#if defined(HOST_I386) || defined(HOST_X86_64)
-#ifdef CONFIG_FORMAT_COFF
- {
- uint8_t *p;
- p = p_end - 1;
- if (p == p_start)
- error("empty code for %s", name);
- while (*p != 0xc3) {
- p--;
- if (p <= p_start)
- error("ret or jmp expected at the end of %s", name);
- }
- copy_size = p - p_start;
- }
-#else
{
int len;
len = p_end - p_start;
- if (len == 0)
- error("empty code for %s", name);
- if (p_end[-1] == 0xc3) {
- len--;
- } else {
- error("ret or jmp expected at the end of %s", name);
- }
+ retpos = trace_i386_op(name, p_start, &len, &patch_bytes, exit_addrs);
copy_size = len;
}
-#endif
#elif defined(HOST_PPC)
{
uint8_t *p;
@@ -1675,6 +2299,13 @@
}
if (gen_switch == 2) {
+#if defined(HOST_I386) || defined(HOST_X86_64)
+ if (patch_bytes != -1)
+ copy_size += patch_bytes;
+#ifdef DEBUG_OP
+ copy_size += 2;
+#endif
+#endif
fprintf(outfile, "DEF(%s, %d, %d)\n", name + 3, nb_args, copy_size);
} else if (gen_switch == 1) {
@@ -1879,7 +2510,43 @@
#error unsupport object format
#endif
}
+ }
+ /* Replace the marker instructions with the actual opcodes. */
+ for (i = 0; exit_addrs[i] != -1; i++) {
+ int op;
+ switch (p_start[exit_addrs[i]])
+ {
+ case 0xf4: op = 0xc3; break; /* hlt -> ret */
+ case 0xfa: op = 0xe9; break; /* cli -> jmp */
+ case 0xfb: op = 0xe9; break; /* sti -> jmp */
+ default: error("Internal error");
+ }
+ fprintf(outfile,
+ " *(uint8_t *)(gen_code_ptr + %d) = 0x%x;\n",
+ exit_addrs[i], op);
}
+ /* Fix up the return instruction. */
+ if (patch_bytes != -1) {
+ if (patch_bytes) {
+ fprintf(outfile, " memcpy(gen_code_ptr + %d,"
+ "gen_code_ptr + %d, %d);\n",
+ copy_size, retpos, patch_bytes);
+ }
+ fprintf(outfile,
+ " *(uint8_t *)(gen_code_ptr + %d) = 0xe9;\n",
+ retpos);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + %d) = 0x%x;\n",
+ retpos + 1, copy_size - (retpos + 5));
+
+ copy_size += patch_bytes;
+ }
+#ifdef DEBUG_OP
+ fprintf(outfile,
+ " *(uint16_t *)(gen_code_ptr + %d) = 0x9090;\n",
+ copy_size);
+ copy_size += 2;
+#endif
}
#elif defined(HOST_X86_64)
{
@@ -1913,6 +2580,42 @@
}
}
}
+ /* Replace the marker instructions with the actual opcodes. */
+ for (i = 0; exit_addrs[i] != -1; i++) {
+ int op;
+ switch (p_start[exit_addrs[i]])
+ {
+ case 0xf4: op = 0xc3; break; /* hlt -> ret */
+ case 0xfa: op = 0xe9; break; /* cli -> jmp */
+ case 0xfb: op = 0xe9; break; /* sti -> jmp */
+ default: error("Internal error");
+ }
+ fprintf(outfile,
+ " *(uint8_t *)(gen_code_ptr + %d) = 0x%x;\n",
+ exit_addrs[i], op);
+ }
+ /* Fix up the return instruction. */
+ if (patch_bytes != -1) {
+ if (patch_bytes) {
+ fprintf(outfile, " memcpy(gen_code_ptr + %d,"
+ "gen_code_ptr + %d, %d);\n",
+ copy_size, retpos, patch_bytes);
+ }
+ fprintf(outfile,
+ " *(uint8_t *)(gen_code_ptr + %d) = 0xe9;\n",
+ retpos);
+ fprintf(outfile,
+ " *(uint32_t *)(gen_code_ptr + %d) = 0x%x;\n",
+ retpos + 1, copy_size - (retpos + 5));
+
+ copy_size += patch_bytes;
+ }
+#ifdef DEBUG_OP
+ fprintf(outfile,
+ " *(uint16_t *)(gen_code_ptr + %d) = 0x9090;\n",
+ copy_size);
+ copy_size += 2;
+#endif
}
#elif defined(HOST_PPC)
{
diff -ruN qemu-0.9.0/exec-all.h qemu-0.9.0-gcc4/exec-all.h
--- qemu-0.9.0/exec-all.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-gcc4/exec-all.h 2007-04-12 17:24:57.000000000 +0200
@@ -326,14 +326,15 @@
#elif defined(__i386__) && defined(USE_DIRECT_JUMP)
-/* we patch the jump instruction directly */
+/* we patch the jump instruction directly. Use sti in place of the actual
+ jmp instruction so that dyngen can patch in the correct result. */
#define GOTO_TB(opname, tbparam, n)\
do {\
asm volatile (".section .data\n"\
ASM_OP_LABEL_NAME(n, opname) ":\n"\
".long 1f\n"\
ASM_PREVIOUS_SECTION \
- "jmp " ASM_NAME(__op_jmp) #n "\n"\
+ "sti;.long " ASM_NAME(__op_jmp) #n " - 1f\n"\
"1:\n");\
} while (0)

+ 0
- 95
emulators/qemu/qemu-0.9.0-x86_64-opts.patch
View File

@ -1,95 +0,0 @@
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/qemu-0.9.0-x86_64-opts.patch
# Copyright (C) 2007 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---
2007-04-12 rediffed for qemu 0.9.0
2007-02-03 Gwenole Beauchesne <gbeauchesne@mandriva.com>
* dyngen-exec.h (AREG4, AREG5): Enable when building with GCC4.
2005-06-04 Gwenole Beauchesne <gbeauchesne@mandriva.com>
* Add direct jump support to x86-64.
diff -ruN qemu-0.9.0/dyngen-exec.h qemu-0.9.0-x86_64-opts/dyngen-exec.h
--- qemu-0.9.0/dyngen-exec.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-x86_64-opts/dyngen-exec.h 2007-04-12 17:32:09.000000000 +0200
@@ -95,8 +95,11 @@
#define AREG1 "rbx"
#define AREG2 "r12"
#define AREG3 "r13"
-//#define AREG4 "r14"
-//#define AREG5 "r15"
+#if __GNUC__ >= 4
+/* XXX: earlier GCC crashes */
+#define AREG4 "r14"
+#define AREG5 "r15"
+#endif
#endif
#ifdef __powerpc__
#define AREG0 "r27"
diff -ruN qemu-0.9.0/dyngen.c qemu-0.9.0-x86_64-opts/dyngen.c
--- qemu-0.9.0/dyngen.c 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-x86_64-opts/dyngen.c 2007-04-12 17:32:09.000000000 +0200
@@ -1891,6 +1891,17 @@
if (rel->r_offset >= start_offset &&
rel->r_offset < start_offset + copy_size) {
sym_name = strtab + symtab[ELFW(R_SYM)(rel->r_info)].st_name;
+ if (strstart(sym_name, "__op_jmp", &p)) {
+ int n;
+ n = strtol(p, NULL, 10);
+ /* __op_jmp relocations are done at
+ runtime to do translated block
+ chaining: the offset of the instruction
+ needs to be stored */
+ fprintf(outfile, " jmp_offsets[%d] = %d + (gen_code_ptr - gen_code_buf);\n",
+ n, rel->r_offset - start_offset);
+ continue;
+ }
get_reloc_expr(name, sizeof(name), sym_name);
type = ELF32_R_TYPE(rel->r_info);
addend = rel->r_addend;
diff -ruN qemu-0.9.0/exec-all.h qemu-0.9.0-x86_64-opts/exec-all.h
--- qemu-0.9.0/exec-all.h 2007-02-06 00:01:54.000000000 +0100
+++ qemu-0.9.0-x86_64-opts/exec-all.h 2007-04-12 17:32:09.000000000 +0200
@@ -159,6 +159,9 @@
#if defined(__i386__) && !defined(_WIN32)
#define USE_DIRECT_JUMP
#endif
+#if defined(__x86_64__)
+#define USE_DIRECT_JUMP
+#endif
typedef struct TranslationBlock {
target_ulong pc; /* simulated PC corresponding to this block (EIP + CS base) */
@@ -245,7 +248,7 @@
asm volatile ("sync" : : : "memory");
asm volatile ("isync" : : : "memory");
}
-#elif defined(__i386__)
+#elif defined(__i386__) || defined(__x86_64__)
static inline void tb_set_jmp_target1(unsigned long jmp_addr, unsigned long addr)
{
/* patch the branch destination */
@@ -324,7 +327,7 @@
"1:\n");\
} while (0)
-#elif defined(__i386__) && defined(USE_DIRECT_JUMP)
+#elif (defined(__i386__) || defined(__x86_64__)) && defined(USE_DIRECT_JUMP)
/* we patch the jump instruction directly */
#define GOTO_TB(opname, tbparam, n)\

+ 17
- 7
emulators/qemu/qemu.cache
View File

@ -1,25 +1,35 @@
[TIMESTAMP] 1134305317 Sun Dec 11 13:48:37 2005
[BUILDTIME] 10 (9) ERROR
[SIZE] 0.02 MB, 7 files
[TIMESTAMP] 1233753816 Wed Feb 4 15:23:36 2009
[BUILDTIME] 645 (9)
[SIZE] 41.68 MB, 96 files
[DEP] alsa-lib
[DEP] audiofile
[DEP] bash
[DEP] binutils
[DEP] bluez-libs
[DEP] bzip2
[DEP] coreutils
[DEP] diffutils
[DEP] esound
[DEP] fhs
[DEP] findutils
[DEP] gawk
[DEP] gcc
[DEP] glibc
[DEP] gnutls
[DEP] grep
[DEP] libgcrypt
[DEP] libgpg-error
[DEP] libsdl
[DEP] libx11
[DEP] libxau
[DEP] libxdmcp
[DEP] libxext
[DEP] libtasn1
[DEP] linux-header
[DEP] make
[DEP] ncurses
[DEP] perl
[DEP] pkgconfig
[DEP] sed
[DEP] sysfiles
[DEP] tar
[DEP] texi2html
[DEP] zlib

+ 1
- 9
emulators/qemu/qemu.conf
View File

@ -2,7 +2,7 @@
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../qemu/qemu.conf
# Copyright (C) 2006 - 2007 The OpenSDE Project
# Copyright (C) 2006 - 2009 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
@ -12,14 +12,6 @@
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
# gcc 4.x is not officially supported
var_append confopt ' ' '--disable-gcc-check'
# inject QEMU Accelerator Module
if [[ $arch = x86* ]]; then
hook_add prepatch 5 'tar $taropt `match_source_file -p kqemu`'
fi
if ! pkginstalled libsdl ; then
echo_warning "Disable graphical output support (libsdl not installed)"
var_append confopt ' ' "--disable-gfx-check"

+ 10
- 14
emulators/qemu/qemu.desc
View File

@ -3,7 +3,7 @@
[COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
[COPY]
[COPY] Filename: package/.../qemu/qemu.desc
[COPY] Copyright (C) 2006 - 2007 The OpenSDE Project
[COPY] Copyright (C) 2006 - 2009 The OpenSDE Project
[COPY] Copyright (C) 2004 - 2006 The T2 SDE Project
[COPY] Copyright (C) 1998 - 2003 Clifford Wolf
[COPY]
@ -15,14 +15,12 @@
[COPY] GNU General Public License can be found in the file COPYING.
[COPY] --- SDE-COPYRIGHT-NOTE-END ---
[I] A FAST! processor emulator
[I] A fast processor emulator
[T] QEMU is a FAST! processor emulator using dynamic translation to achieve
[T] good emulation speed. For fastest emulation the kernel module qvm86 need
[T] needs to be loaded.
[T] QEMU is a fast processor emulator using dynamic translation to achieve
[T] good emulation speed.
[U] http://fabrice.bellard.free.fr/qemu/
[U] http://savannah.nongnu.org/projects/qvm86/
[U] http://bellard.org/qemu/
[A] Fabrice Bellard <fabrice@bellard.org>
[M] Alejandro Mery <amery@opensde.org>
@ -31,13 +29,11 @@
[F] NO-SSP
[L] GPL
[S] Stable
[V] 0.9.0
[S] Beta
[V] r6511
[P] X -----5---9 207.000
[R] - powerpc64
[CV-URL] http://bellard.org/qemu/download.html
[CV-URL] http://fabrice.bellard.free.fr/qemu/download.html
[D] 714776967 qemu-0.9.0.tar.gz http://fabrice.bellard.free.fr/qemu/
[D] 1672904394 kqemu-1.3.0pre11.tar.gz http://fabrice.bellard.free.fr/qemu/
#[D] 1806984299 qemu-0.9.1.tar.gz http://bellard.org/qemu/
[D] X qemu-r6511.tar.bz2 svn://svn.sv.gnu.org/qemu/trunk -r6511

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