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-rw-r--r--MAINTAINERS1
-rw-r--r--Makefile.target1
-rwxr-xr-xconfigure27
-rw-r--r--cpu-all.h6
-rw-r--r--cpu-common.h5
-rw-r--r--cpu-exec.c38
-rw-r--r--exec-all.h35
-rw-r--r--exec.c91
-rw-r--r--hw/pc.c12
-rw-r--r--ioport.c24
-rw-r--r--kqemu.c998
-rw-r--r--kqemu.h154
-rw-r--r--monitor.c57
-rw-r--r--osdep.c121
-rw-r--r--qemu-monitor.hx2
-rw-r--r--qemu-options.hx19
-rw-r--r--qemu-tech.texi4
-rw-r--r--softmmu_template.h6
-rw-r--r--sysemu.h4
-rw-r--r--target-i386/TODO1
-rw-r--r--target-i386/cpu.h14
-rw-r--r--target-i386/helper.c15
-rw-r--r--target-i386/op_helper.c42
-rw-r--r--vl.c53
24 files changed, 8 insertions, 1722 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 080e1c0..d356495 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -70,7 +70,6 @@ Generic Subsystems:
Dynamic translator Fabrice Bellard
Main loop Fabrice Bellard (new maintainer needed)
TCG Fabrice Bellard
-kqemu interface Fabrice Bellard
IDE device ?
SCSI device Paul Brook
PCI layer ?
diff --git a/Makefile.target b/Makefile.target
index 595c88b..25e6cf0 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -36,7 +36,6 @@ all: $(PROGS)
#########################################################
# cpu emulator library
libobj-y = exec.o translate-all.o cpu-exec.o translate.o
-libobj-$(CONFIG_KQEMU) += kqemu.o
libobj-y += tcg/tcg.o tcg/tcg-runtime.o
libobj-$(CONFIG_SOFTFLOAT) += fpu/softfloat.o
libobj-$(CONFIG_NOSOFTFLOAT) += fpu/softfloat-native.o
diff --git a/configure b/configure
index 38503b2..6de38d5 100755
--- a/configure
+++ b/configure
@@ -185,7 +185,6 @@ vnc_sasl="yes"
bsd="no"
linux="no"
solaris="no"
-kqemu="no"
profiler="no"
cocoa="no"
softmmu="yes"
@@ -238,25 +237,16 @@ MINGW32*)
GNU/kFreeBSD)
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd pa"
- if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
- kqemu="yes"
- fi
;;
FreeBSD)
bsd="yes"
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd pa"
- if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
- kqemu="yes"
- fi
;;
DragonFly)
bsd="yes"
audio_drv_list="oss"
audio_possible_drivers="oss sdl esd pa"
- if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
- kqemu="yes"
- fi
aio="no"
;;
NetBSD)
@@ -320,9 +310,6 @@ SunOS)
exit 1
fi
fi
- if test "$solarisrev" -ge 9 ; then
- kqemu="yes"
- fi
fi
if test -f /usr/include/sys/soundcard.h ; then
audio_drv_list="oss"
@@ -343,7 +330,6 @@ AIX)
usb="linux"
kvm="yes"
if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
- kqemu="yes"
audio_possible_drivers="$audio_possible_drivers fmod"
fi
;;
@@ -358,9 +344,6 @@ if [ "$bsd" = "yes" ] ; then
fi
if test "$mingw32" = "yes" ; then
- if [ "$cpu" = "i386" ] ; then
- kqemu="yes"
- fi
EXESUF=".exe"
QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
@@ -450,8 +433,6 @@ for opt do
;;
--disable-vde) vde="no"
;;
- --disable-kqemu) kqemu="no"
- ;;
--disable-xen) xen="no"
;;
--disable-brlapi) brlapi="no"
@@ -597,9 +578,6 @@ echo " --interp-prefix=PREFIX where to find shared libraries, etc."
echo " use %M for cpu name [$interp_prefix]"
echo " --target-list=LIST set target list [$target_list]"
echo ""
-echo "kqemu kernel acceleration support:"
-echo " --disable-kqemu disable kqemu support"
-echo ""
echo "Advanced options (experts only):"
echo " --source-path=PATH path of source code [$source_path]"
echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
@@ -1534,7 +1512,6 @@ fi
if test -n "$sparc_cpu"; then
echo "Target Sparc Arch $sparc_cpu"
fi
-echo "kqemu support $kqemu"
echo "xen support $xen"
echo "brlapi support $brlapi"
echo "Documentation $build_docs"
@@ -2019,10 +1996,6 @@ case "$target_arch2" in
if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
echo "CONFIG_XEN=y" >> $config_mak
fi
- if test $kqemu = "yes" -a "$target_softmmu" = "yes"
- then
- echo "CONFIG_KQEMU=y" >> $config_mak
- fi
esac
case "$target_arch2" in
i386|x86_64|ppcemb|ppc|ppc64)
diff --git a/cpu-all.h b/cpu-all.h
index 26bf492..1a6a812 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -873,7 +873,6 @@ int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
#define VGA_DIRTY_FLAG 0x01
#define CODE_DIRTY_FLAG 0x02
-#define KQEMU_DIRTY_FLAG 0x04
#define MIGRATION_DIRTY_FLAG 0x08
/* read dirty bit (return 0 or 1) */
@@ -1056,14 +1055,9 @@ static inline int64_t profile_getclock(void)
return cpu_get_real_ticks();
}
-extern int64_t kqemu_time, kqemu_time_start;
extern int64_t qemu_time, qemu_time_start;
extern int64_t tlb_flush_time;
-extern int64_t kqemu_exec_count;
extern int64_t dev_time;
-extern int64_t kqemu_ret_int_count;
-extern int64_t kqemu_ret_excp_count;
-extern int64_t kqemu_ret_intr_count;
#endif
void cpu_inject_x86_mce(CPUState *cenv, int bank, uint64_t status,
diff --git a/cpu-common.h b/cpu-common.h
index 8f89325..d094194 100644
--- a/cpu-common.h
+++ b/cpu-common.h
@@ -10,12 +10,7 @@
#include "bswap.h"
/* address in the RAM (different from a physical address) */
-#ifdef CONFIG_KQEMU
-/* FIXME: This is wrong. */
-typedef uint32_t ram_addr_t;
-#else
typedef unsigned long ram_addr_t;
-#endif
/* memory API */
diff --git a/cpu-exec.c b/cpu-exec.c
index 2b74aee..17fe972 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -321,31 +321,6 @@ int cpu_exec(CPUState *env1)
}
env->exception_index = -1;
}
-#ifdef CONFIG_KQEMU
- if (kqemu_is_ok(env) && env->interrupt_request == 0 && env->exit_request == 0) {
- int ret;
- env->eflags = env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK);
- ret = kqemu_cpu_exec(env);
- /* put eflags in CPU temporary format */
- CC_SRC = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
- DF = 1 - (2 * ((env->eflags >> 10) & 1));
- CC_OP = CC_OP_EFLAGS;
- env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
- if (ret == 1) {
- /* exception */
- longjmp(env->jmp_env, 1);
- } else if (ret == 2) {
- /* softmmu execution needed */
- } else {
- if (env->interrupt_request != 0 || env->exit_request != 0) {
- /* hardware interrupt will be executed just after */
- } else {
- /* otherwise, we restart */
- longjmp(env->jmp_env, 1);
- }
- }
- }
-#endif
if (kvm_enabled()) {
kvm_cpu_exec(env);
@@ -620,11 +595,7 @@ int cpu_exec(CPUState *env1)
spans two pages, we cannot safely do a direct
jump. */
{
- if (next_tb != 0 &&
-#ifdef CONFIG_KQEMU
- (env->kqemu_enabled != 2) &&
-#endif
- tb->page_addr[1] == -1) {
+ if (next_tb != 0 && tb->page_addr[1] == -1) {
tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb & 3, tb);
}
}
@@ -678,13 +649,6 @@ int cpu_exec(CPUState *env1)
}
/* reset soft MMU for next block (it can currently
only be set by a memory fault) */
-#if defined(CONFIG_KQEMU)
-#define MIN_CYCLE_BEFORE_SWITCH (100 * 1000)
- if (kqemu_is_ok(env) &&
- (cpu_get_time_fast() - env->last_io_time) >= MIN_CYCLE_BEFORE_SWITCH) {
- cpu_loop_exit();
- }
-#endif
} /* for(;;) */
} else {
env_to_regs();
diff --git a/exec-all.h b/exec-all.h
index c7a1e70..51519ff 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -348,41 +348,6 @@ static inline int can_do_io(CPUState *env)
}
#endif
-#ifdef CONFIG_KQEMU
-#define KQEMU_MODIFY_PAGE_MASK (0xff & ~(VGA_DIRTY_FLAG | CODE_DIRTY_FLAG))
-
-#define MSR_QPI_COMMBASE 0xfabe0010
-
-int kqemu_init(CPUState *env);
-int kqemu_cpu_exec(CPUState *env);
-void kqemu_flush_page(CPUState *env, target_ulong addr);
-void kqemu_flush(CPUState *env, int global);
-void kqemu_set_notdirty(CPUState *env, ram_addr_t ram_addr);
-void kqemu_modify_page(CPUState *env, ram_addr_t ram_addr);
-void kqemu_set_phys_mem(uint64_t start_addr, ram_addr_t size,
- ram_addr_t phys_offset);
-void kqemu_cpu_interrupt(CPUState *env);
-void kqemu_record_dump(void);
-
-extern uint32_t kqemu_comm_base;
-
-extern ram_addr_t kqemu_phys_ram_size;
-extern uint8_t *kqemu_phys_ram_base;
-
-static inline int kqemu_is_ok(CPUState *env)
-{
- return(env->kqemu_enabled &&
- (env->cr[0] & CR0_PE_MASK) &&
- !(env->hflags & HF_INHIBIT_IRQ_MASK) &&
- (env->eflags & IF_MASK) &&
- !(env->eflags & VM_MASK) &&
- (env->kqemu_enabled == 2 ||
- ((env->hflags & HF_CPL_MASK) == 3 &&
- (env->eflags & IOPL_MASK) != IOPL_MASK)));
-}
-
-#endif
-
typedef void (CPUDebugExcpHandler)(CPUState *env);
CPUDebugExcpHandler *cpu_set_debug_excp_handler(CPUDebugExcpHandler *handler);
diff --git a/exec.c b/exec.c
index fa5b619..131e2af 100644
--- a/exec.c
+++ b/exec.c
@@ -70,12 +70,11 @@
#define TARGET_VIRT_ADDR_SPACE_BITS 42
#elif defined(TARGET_PPC64)
#define TARGET_PHYS_ADDR_SPACE_BITS 42
-#elif defined(TARGET_X86_64) && !defined(CONFIG_KQEMU)
+#elif defined(TARGET_X86_64)
#define TARGET_PHYS_ADDR_SPACE_BITS 42
-#elif defined(TARGET_I386) && !defined(CONFIG_KQEMU)
+#elif defined(TARGET_I386)
#define TARGET_PHYS_ADDR_SPACE_BITS 36
#else
-/* Note: for compatibility with kqemu, we use 32 bits for x86_64 */
#define TARGET_PHYS_ADDR_SPACE_BITS 32
#endif
@@ -1763,11 +1762,6 @@ void tlb_flush(CPUState *env, int flush_global)
memset (env->tb_jmp_cache, 0, TB_JMP_CACHE_SIZE * sizeof (void *));
-#ifdef CONFIG_KQEMU
- if (env->kqemu_enabled) {
- kqemu_flush(env, flush_global);
- }
-#endif
tlb_flush_count++;
}
@@ -1801,12 +1795,6 @@ void tlb_flush_page(CPUState *env, target_ulong addr)
tlb_flush_entry(&env->tlb_table[mmu_idx][i], addr);
tlb_flush_jmp_cache(env, addr);
-
-#ifdef CONFIG_KQEMU
- if (env->kqemu_enabled) {
- kqemu_flush_page(env, addr);
- }
-#endif
}
/* update the TLBs so that writes to code in the virtual page 'addr'
@@ -1854,18 +1842,6 @@ void cpu_physical_memory_reset_dirty(ram_addr_t start, ram_addr_t end,
if (length == 0)
return;
len = length >> TARGET_PAGE_BITS;
-#ifdef CONFIG_KQEMU
- /* XXX: should not depend on cpu context */
- env = first_cpu;
- if (env->kqemu_enabled) {
- ram_addr_t addr;
- addr = start;
- for(i = 0; i < len; i++) {
- kqemu_set_notdirty(env, addr);
- addr += TARGET_PAGE_SIZE;
- }
- }
-#endif
mask = ~dirty_flags;
p = phys_ram_dirty + (start >> TARGET_PAGE_BITS);
for(i = 0; i < len; i++)
@@ -2322,13 +2298,6 @@ void cpu_register_physical_memory_offset(target_phys_addr_t start_addr,
ram_addr_t orig_size = size;
void *subpage;
-#ifdef CONFIG_KQEMU
- /* XXX: should not depend on cpu context */
- env = first_cpu;
- if (env->kqemu_enabled) {
- kqemu_set_phys_mem(start_addr, size, phys_offset);
- }
-#endif
if (kvm_enabled())
kvm_set_phys_mem(start_addr, size, phys_offset);
@@ -2423,32 +2392,10 @@ void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size)
kvm_uncoalesce_mmio_region(addr, size);
}
-#ifdef CONFIG_KQEMU
-/* XXX: better than nothing */
-static ram_addr_t kqemu_ram_alloc(ram_addr_t size)
-{
- ram_addr_t addr;
- if ((last_ram_offset + size) > kqemu_phys_ram_size) {
- fprintf(stderr, "Not enough memory (requested_size = %" PRIu64 ", max memory = %" PRIu64 ")\n",
- (uint64_t)size, (uint64_t)kqemu_phys_ram_size);
- abort();
- }
- addr = last_ram_offset;
- last_ram_offset = TARGET_PAGE_ALIGN(last_ram_offset + size);
- return addr;
-}
-#endif
-
ram_addr_t qemu_ram_alloc(ram_addr_t size)
{
RAMBlock *new_block;
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- return kqemu_ram_alloc(size);
- }
-#endif
-
size = TARGET_PAGE_ALIGN(size);
new_block = qemu_malloc(sizeof(*new_block));
@@ -2491,12 +2438,6 @@ void *qemu_get_ram_ptr(ram_addr_t addr)
RAMBlock **prevp;
RAMBlock *block;
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- return kqemu_phys_ram_base + addr;
- }
-#endif
-
prev = NULL;
prevp = &ram_blocks;
block = ram_blocks;
@@ -2529,12 +2470,6 @@ ram_addr_t qemu_ram_addr_from_host(void *ptr)
RAMBlock *block;
uint8_t *host = ptr;
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- return host - kqemu_phys_ram_base;
- }
-#endif
-
prev = NULL;
prevp = &ram_blocks;
block = ram_blocks;
@@ -2639,11 +2574,6 @@ static void notdirty_mem_writeb(void *opaque, target_phys_addr_t ram_addr,
#endif
}
stb_p(qemu_get_ram_ptr(ram_addr), val);
-#ifdef CONFIG_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
/* we remove the notdirty callback only if the code has been
@@ -2664,11 +2594,6 @@ static void notdirty_mem_writew(void *opaque, target_phys_addr_t ram_addr,
#endif
}
stw_p(qemu_get_ram_ptr(ram_addr), val);
-#ifdef CONFIG_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
/* we remove the notdirty callback only if the code has been
@@ -2689,11 +2614,6 @@ static void notdirty_mem_writel(void *opaque, target_phys_addr_t ram_addr,
#endif
}
stl_p(qemu_get_ram_ptr(ram_addr), val);
-#ifdef CONFIG_KQEMU
- if (cpu_single_env->kqemu_enabled &&
- (dirty_flags & KQEMU_MODIFY_PAGE_MASK) != KQEMU_MODIFY_PAGE_MASK)
- kqemu_modify_page(cpu_single_env, ram_addr);
-#endif
dirty_flags |= (0xff & ~CODE_DIRTY_FLAG);
phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] = dirty_flags;
/* we remove the notdirty callback only if the code has been
@@ -3044,13 +2964,6 @@ static void io_mem_init(void)
io_mem_watch = cpu_register_io_memory(watch_mem_read,
watch_mem_write, NULL);
-#ifdef CONFIG_KQEMU
- if (kqemu_phys_ram_base) {
- /* alloc dirty bits array */
- phys_ram_dirty = qemu_vmalloc(kqemu_phys_ram_size >> TARGET_PAGE_BITS);
- memset(phys_ram_dirty, 0xff, kqemu_phys_ram_size >> TARGET_PAGE_BITS);
- }
-#endif
}
#endif /* !defined(CONFIG_USER_ONLY) */
diff --git a/hw/pc.c b/hw/pc.c
index 1a1f5a9..9198210 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -122,17 +122,7 @@ static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
/* TSC handling */
uint64_t cpu_get_tsc(CPUX86State *env)
{
- /* Note: when using kqemu, it is more logical to return the host TSC
- because kqemu does not trap the RDTSC instruction for
- performance reasons */
-#ifdef CONFIG_KQEMU
- if (env->kqemu_enabled) {
- return cpu_get_real_ticks();
- } else
-#endif
- {
- return cpu_get_ticks();
- }
+ return cpu_get_ticks();
}
/* SMM support */
diff --git a/ioport.c b/ioport.c
index 13183a2..d90d938 100644
--- a/ioport.c
+++ b/ioport.c
@@ -196,30 +196,18 @@ void cpu_outb(CPUState *env, pio_addr_t addr, uint8_t val)
{
LOG_IOPORT("outb: %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
ioport_write(0, addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
}
void cpu_outw(CPUState *env, pio_addr_t addr, uint16_t val)
{
LOG_IOPORT("outw: %04"FMT_pioaddr" %04"PRIx16"\n", addr, val);
ioport_write(1, addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
}
void cpu_outl(CPUState *env, pio_addr_t addr, uint32_t val)
{
LOG_IOPORT("outl: %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
ioport_write(2, addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
}
uint8_t cpu_inb(CPUState *env, pio_addr_t addr)
@@ -227,10 +215,6 @@ uint8_t cpu_inb(CPUState *env, pio_addr_t addr)
uint8_t val;
val = ioport_read(0, addr);
LOG_IOPORT("inb : %04"FMT_pioaddr" %02"PRIx8"\n", addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
return val;
}
@@ -239,10 +223,6 @@ uint16_t cpu_inw(CPUState *env, pio_addr_t addr)
uint16_t val;
val = ioport_read(1, addr);
LOG_IOPORT("inw : %04"FMT_pioaddr" %04"PRIx16"\n", addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
return val;
}
@@ -251,9 +231,5 @@ uint32_t cpu_inl(CPUState *env, pio_addr_t addr)
uint32_t val;
val = ioport_read(2, addr);
LOG_IOPORT("inl : %04"FMT_pioaddr" %08"PRIx32"\n", addr, val);
-#ifdef CONFIG_KQEMU
- if (env)
- env->last_io_time = cpu_get_time_fast();
-#endif
return val;
}
diff --git a/kqemu.c b/kqemu.c
deleted file mode 100644
index 5611bc8..0000000
--- a/kqemu.c
+++ /dev/null
@@ -1,998 +0,0 @@
-/*
- * KQEMU support
- *
- * Copyright (c) 2005-2008 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-#include "config.h"
-#ifdef _WIN32
-#include <windows.h>
-#include <winioctl.h>
-#else
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#endif
-#ifdef CONFIG_SOLARIS
-#include <sys/ioccom.h>
-#endif
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <inttypes.h>
-
-#include "cpu.h"
-#include "exec-all.h"
-#include "qemu-common.h"
-
-#ifdef CONFIG_KQEMU
-
-#define DEBUG
-//#define PROFILE
-
-
-#ifdef DEBUG
-# define LOG_INT(...) qemu_log_mask(CPU_LOG_INT, ## __VA_ARGS__)
-# define LOG_INT_STATE(env) log_cpu_state_mask(CPU_LOG_INT, (env), 0)
-#else
-# define LOG_INT(...) do { } while (0)
-# define LOG_INT_STATE(env) do { } while (0)
-#endif
-
-#include <unistd.h>
-#include <fcntl.h>
-#include "kqemu.h"
-
-#ifdef _WIN32
-#define KQEMU_DEVICE "\\\\.\\kqemu"
-#else
-#define KQEMU_DEVICE "/dev/kqemu"
-#endif
-
-static void qpi_init(void);
-
-#ifdef _WIN32
-#define KQEMU_INVALID_FD INVALID_HANDLE_VALUE
-HANDLE kqemu_fd = KQEMU_INVALID_FD;
-#define kqemu_closefd(x) CloseHandle(x)
-#else
-#define KQEMU_INVALID_FD -1
-int kqemu_fd = KQEMU_INVALID_FD;
-#define kqemu_closefd(x) close(x)
-#endif
-
-/* 0 = not allowed
- 1 = user kqemu
- 2 = kernel kqemu
-*/
-int kqemu_allowed = 0;
-uint64_t *pages_to_flush;
-unsigned int nb_pages_to_flush;
-uint64_t *ram_pages_to_update;
-unsigned int nb_ram_pages_to_update;
-uint64_t *modified_ram_pages;
-unsigned int nb_modified_ram_pages;
-uint8_t *modified_ram_pages_table;
-int qpi_io_memory;
-uint32_t kqemu_comm_base; /* physical address of the QPI communication page */
-ram_addr_t kqemu_phys_ram_size;
-uint8_t *kqemu_phys_ram_base;
-
-#define cpuid(index, eax, ebx, ecx, edx) \
- asm volatile ("cpuid" \
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) \
- : "0" (index))
-
-#ifdef __x86_64__
-static int is_cpuid_supported(void)
-{
- return 1;
-}
-#else
-static int is_cpuid_supported(void)
-{
- int v0, v1;
- asm volatile ("pushf\n"
- "popl %0\n"
- "movl %0, %1\n"
- "xorl $0x00200000, %0\n"
- "pushl %0\n"
- "popf\n"
- "pushf\n"
- "popl %0\n"
- : "=a" (v0), "=d" (v1)
- :
- : "cc");
- return (v0 != v1);
-}
-#endif
-
-static void kqemu_update_cpuid(CPUState *env)
-{
- int critical_features_mask, features, ext_features, ext_features_mask;
- uint32_t eax, ebx, ecx, edx;
-
- /* the following features are kept identical on the host and
- target cpus because they are important for user code. Strictly
- speaking, only SSE really matters because the OS must support
- it if the user code uses it. */
- critical_features_mask =
- CPUID_CMOV | CPUID_CX8 |
- CPUID_FXSR | CPUID_MMX | CPUID_SSE |
- CPUID_SSE2 | CPUID_SEP;
- ext_features_mask = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR;
- if (!is_cpuid_supported()) {
- features = 0;
- ext_features = 0;
- } else {
- cpuid(1, eax, ebx, ecx, edx);
- features = edx;
- ext_features = ecx;
- }
-#ifdef __x86_64__
- /* NOTE: on x86_64 CPUs, SYSENTER is not supported in
- compatibility mode, so in order to have the best performances
- it is better not to use it */
- features &= ~CPUID_SEP;
-#endif
- env->cpuid_features = (env->cpuid_features & ~critical_features_mask) |
- (features & critical_features_mask);
- env->cpuid_ext_features = (env->cpuid_ext_features & ~ext_features_mask) |
- (ext_features & ext_features_mask);
- /* XXX: we could update more of the target CPUID state so that the
- non accelerated code sees exactly the same CPU features as the
- accelerated code */
-}
-
-int kqemu_init(CPUState *env)
-{
- struct kqemu_init kinit;
- int ret, version;
-#ifdef _WIN32
- DWORD temp;
-#endif
-
- if (!kqemu_allowed)
- return -1;
-
-#ifdef _WIN32
- kqemu_fd = CreateFile(KQEMU_DEVICE, GENERIC_WRITE | GENERIC_READ,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
- NULL);
- if (kqemu_fd == KQEMU_INVALID_FD) {
- fprintf(stderr, "Could not open '%s' - QEMU acceleration layer not activated: %lu\n",
- KQEMU_DEVICE, GetLastError());
- return -1;
- }
-#else
- kqemu_fd = open(KQEMU_DEVICE, O_RDWR);
- if (kqemu_fd == KQEMU_INVALID_FD) {
- fprintf(stderr, "Could not open '%s' - QEMU acceleration layer not activated: %s\n",
- KQEMU_DEVICE, strerror(errno));
- return -1;
- }
-#endif
- version = 0;
-#ifdef _WIN32
- DeviceIoControl(kqemu_fd, KQEMU_GET_VERSION, NULL, 0,
- &version, sizeof(version), &temp, NULL);
-#else
- ioctl(kqemu_fd, KQEMU_GET_VERSION, &version);
-#endif
- if (version != KQEMU_VERSION) {
- fprintf(stderr, "Version mismatch between kqemu module and qemu (%08x %08x) - disabling kqemu use\n",
- version, KQEMU_VERSION);
- goto fail;
- }
-
- pages_to_flush = qemu_vmalloc(KQEMU_MAX_PAGES_TO_FLUSH *
- sizeof(uint64_t));
- if (!pages_to_flush)
- goto fail;
-
- ram_pages_to_update = qemu_vmalloc(KQEMU_MAX_RAM_PAGES_TO_UPDATE *
- sizeof(uint64_t));
- if (!ram_pages_to_update)
- goto fail;
-
- modified_ram_pages = qemu_vmalloc(KQEMU_MAX_MODIFIED_RAM_PAGES *
- sizeof(uint64_t));
- if (!modified_ram_pages)
- goto fail;
- modified_ram_pages_table =
- qemu_mallocz(kqemu_phys_ram_size >> TARGET_PAGE_BITS);
- if (!modified_ram_pages_table)
- goto fail;
-
- memset(&kinit, 0, sizeof(kinit)); /* set the paddings to zero */
- kinit.ram_base = kqemu_phys_ram_base;
- kinit.ram_size = kqemu_phys_ram_size;
- kinit.ram_dirty = phys_ram_dirty;
- kinit.pages_to_flush = pages_to_flush;
- kinit.ram_pages_to_update = ram_pages_to_update;
- kinit.modified_ram_pages = modified_ram_pages;
-#ifdef _WIN32
- ret = DeviceIoControl(kqemu_fd, KQEMU_INIT, &kinit, sizeof(kinit),
- NULL, 0, &temp, NULL) == TRUE ? 0 : -1;
-#else
- ret = ioctl(kqemu_fd, KQEMU_INIT, &kinit);
-#endif
- if (ret < 0) {
- fprintf(stderr, "Error %d while initializing QEMU acceleration layer - disabling it for now\n", ret);
- fail:
- kqemu_closefd(kqemu_fd);
- kqemu_fd = KQEMU_INVALID_FD;
- return -1;
- }
- kqemu_update_cpuid(env);
- env->kqemu_enabled = kqemu_allowed;
- nb_pages_to_flush = 0;
- nb_ram_pages_to_update = 0;
-
- qpi_init();
- return 0;
-}
-
-void kqemu_flush_page(CPUState *env, target_ulong addr)
-{
- LOG_INT("kqemu_flush_page: addr=" TARGET_FMT_lx "\n", addr);
- if (nb_pages_to_flush >= KQEMU_MAX_PAGES_TO_FLUSH)
- nb_pages_to_flush = KQEMU_FLUSH_ALL;
- else
- pages_to_flush[nb_pages_to_flush++] = addr;
-}
-
-void kqemu_flush(CPUState *env, int global)
-{
- LOG_INT("kqemu_flush:\n");
- nb_pages_to_flush = KQEMU_FLUSH_ALL;
-}
-
-void kqemu_set_notdirty(CPUState *env, ram_addr_t ram_addr)
-{
- LOG_INT("kqemu_set_notdirty: addr=%08lx\n",
- (unsigned long)ram_addr);
- /* we only track transitions to dirty state */
- if (phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] != 0xff)
- return;
- if (nb_ram_pages_to_update >= KQEMU_MAX_RAM_PAGES_TO_UPDATE)
- nb_ram_pages_to_update = KQEMU_RAM_PAGES_UPDATE_ALL;
- else
- ram_pages_to_update[nb_ram_pages_to_update++] = ram_addr;
-}
-
-static void kqemu_reset_modified_ram_pages(void)
-{
- int i;
- unsigned long page_index;
-
- for(i = 0; i < nb_modified_ram_pages; i++) {
- page_index = modified_ram_pages[i] >> TARGET_PAGE_BITS;
- modified_ram_pages_table[page_index] = 0;
- }
- nb_modified_ram_pages = 0;
-}
-
-void kqemu_modify_page(CPUState *env, ram_addr_t ram_addr)
-{
- unsigned long page_index;
- int ret;
-#ifdef _WIN32
- DWORD temp;
-#endif
-
- page_index = ram_addr >> TARGET_PAGE_BITS;
- if (!modified_ram_pages_table[page_index]) {
-#if 0
- printf("%d: modify_page=%08lx\n", nb_modified_ram_pages, ram_addr);
-#endif
- modified_ram_pages_table[page_index] = 1;
- modified_ram_pages[nb_modified_ram_pages++] = ram_addr;
- if (nb_modified_ram_pages >= KQEMU_MAX_MODIFIED_RAM_PAGES) {
- /* flush */
-#ifdef _WIN32
- ret = DeviceIoControl(kqemu_fd, KQEMU_MODIFY_RAM_PAGES,
- &nb_modified_ram_pages,
- sizeof(nb_modified_ram_pages),
- NULL, 0, &temp, NULL);
-#else
- ret = ioctl(kqemu_fd, KQEMU_MODIFY_RAM_PAGES,
- &nb_modified_ram_pages);
-#endif
- kqemu_reset_modified_ram_pages();
- }
- }
-}
-
-void kqemu_set_phys_mem(uint64_t start_addr, ram_addr_t size,
- ram_addr_t phys_offset)
-{
- struct kqemu_phys_mem kphys_mem1, *kphys_mem = &kphys_mem1;
- uint64_t end;
- int ret, io_index;
-
- end = (start_addr + size + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
- start_addr &= TARGET_PAGE_MASK;
- kphys_mem->phys_addr = start_addr;
- kphys_mem->size = end - start_addr;
- kphys_mem->ram_addr = phys_offset & TARGET_PAGE_MASK;
- io_index = phys_offset & ~TARGET_PAGE_MASK;
- switch(io_index) {
- case IO_MEM_RAM:
- kphys_mem->io_index = KQEMU_IO_MEM_RAM;
- break;
- case IO_MEM_ROM:
- kphys_mem->io_index = KQEMU_IO_MEM_ROM;
- break;
- default:
- if (qpi_io_memory == io_index) {
- kphys_mem->io_index = KQEMU_IO_MEM_COMM;
- } else {
- kphys_mem->io_index = KQEMU_IO_MEM_UNASSIGNED;
- }
- break;
- }
-#ifdef _WIN32
- {
- DWORD temp;
- ret = DeviceIoControl(kqemu_fd, KQEMU_SET_PHYS_MEM,
- kphys_mem, sizeof(*kphys_mem),
- NULL, 0, &temp, NULL) == TRUE ? 0 : -1;
- }
-#else
- ret = ioctl(kqemu_fd, KQEMU_SET_PHYS_MEM, kphys_mem);
-#endif
- if (ret < 0) {
- fprintf(stderr, "kqemu: KQEMU_SET_PHYS_PAGE error=%d: start_addr=0x%016" PRIx64 " size=0x%08lx phys_offset=0x%08lx\n",
- ret, start_addr,
- (unsigned long)size, (unsigned long)phys_offset);
- }
-}
-
-struct fpstate {
- uint16_t fpuc;
- uint16_t dummy1;
- uint16_t fpus;
- uint16_t dummy2;
- uint16_t fptag;
- uint16_t dummy3;
-
- uint32_t fpip;
- uint32_t fpcs;
- uint32_t fpoo;
- uint32_t fpos;
- uint8_t fpregs1[8 * 10];
-};
-
-struct fpxstate {
- uint16_t fpuc;
- uint16_t fpus;
- uint16_t fptag;
- uint16_t fop;
- uint32_t fpuip;
- uint16_t cs_sel;
- uint16_t dummy0;
- uint32_t fpudp;
- uint16_t ds_sel;
- uint16_t dummy1;
- uint32_t mxcsr;
- uint32_t mxcsr_mask;
- uint8_t fpregs1[8 * 16];
- uint8_t xmm_regs[16 * 16];
- uint8_t dummy2[96];
-};
-
-static struct fpxstate fpx1 __attribute__((aligned(16)));
-
-static void restore_native_fp_frstor(CPUState *env)
-{
- int fptag, i, j;
- struct fpstate fp1, *fp = &fp1;
-
- fp->fpuc = env->fpuc;
- fp->fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
- fptag = 0;
- for (i=7; i>=0; i--) {
- fptag <<= 2;
- if (env->fptags[i]) {
- fptag |= 3;
- } else {
- /* the FPU automatically computes it */
- }
- }
- fp->fptag = fptag;
- j = env->fpstt;
- for(i = 0;i < 8; i++) {
- memcpy(&fp->fpregs1[i * 10], &env->fpregs[j].d, 10);
- j = (j + 1) & 7;
- }
- asm volatile ("frstor %0" : "=m" (*fp));
-}
-
-static void save_native_fp_fsave(CPUState *env)
-{
- int fptag, i, j;
- uint16_t fpuc;
- struct fpstate fp1, *fp = &fp1;
-
- asm volatile ("fsave %0" : : "m" (*fp));
- env->fpuc = fp->fpuc;
- env->fpstt = (fp->fpus >> 11) & 7;
- env->fpus = fp->fpus & ~0x3800;
- fptag = fp->fptag;
- for(i = 0;i < 8; i++) {
- env->fptags[i] = ((fptag & 3) == 3);
- fptag >>= 2;
- }
- j = env->fpstt;
- for(i = 0;i < 8; i++) {
- memcpy(&env->fpregs[j].d, &fp->fpregs1[i * 10], 10);
- j = (j + 1) & 7;
- }
- /* we must restore the default rounding state */
- fpuc = 0x037f | (env->fpuc & (3 << 10));
- asm volatile("fldcw %0" : : "m" (fpuc));
-}
-
-static void restore_native_fp_fxrstor(CPUState *env)
-{
- struct fpxstate *fp = &fpx1;
- int i, j, fptag;
-
- fp->fpuc = env->fpuc;
- fp->fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
- fptag = 0;
- for(i = 0; i < 8; i++)
- fptag |= (env->fptags[i] << i);
- fp->fptag = fptag ^ 0xff;
-
- j = env->fpstt;
- for(i = 0;i < 8; i++) {
- memcpy(&fp->fpregs1[i * 16], &env->fpregs[j].d, 10);
- j = (j + 1) & 7;
- }
- if (env->cpuid_features & CPUID_SSE) {
- fp->mxcsr = env->mxcsr;
- /* XXX: check if DAZ is not available */
- fp->mxcsr_mask = 0xffff;
- memcpy(fp->xmm_regs, env->xmm_regs, CPU_NB_REGS * 16);
- }
- asm volatile ("fxrstor %0" : "=m" (*fp));
-}
-
-static void save_native_fp_fxsave(CPUState *env)
-{
- struct fpxstate *fp = &fpx1;
- int fptag, i, j;
- uint16_t fpuc;
-
- asm volatile ("fxsave %0" : : "m" (*fp));
- env->fpuc = fp->fpuc;
- env->fpstt = (fp->fpus >> 11) & 7;
- env->fpus = fp->fpus & ~0x3800;
- fptag = fp->fptag ^ 0xff;
- for(i = 0;i < 8; i++) {
- env->fptags[i] = (fptag >> i) & 1;
- }
- j = env->fpstt;
- for(i = 0;i < 8; i++) {
- memcpy(&env->fpregs[j].d, &fp->fpregs1[i * 16], 10);
- j = (j + 1) & 7;
- }
- if (env->cpuid_features & CPUID_SSE) {
- env->mxcsr = fp->mxcsr;
- memcpy(env->xmm_regs, fp->xmm_regs, CPU_NB_REGS * 16);
- }
-
- /* we must restore the default rounding state */
- asm volatile ("fninit");
- fpuc = 0x037f | (env->fpuc & (3 << 10));
- asm volatile("fldcw %0" : : "m" (fpuc));
-}
-
-static int do_syscall(CPUState *env,
- struct kqemu_cpu_state *kenv)
-{
- int selector;
-
- selector = (env->star >> 32) & 0xffff;
-#ifdef TARGET_X86_64
- if (env->hflags & HF_LMA_MASK) {
- int code64;
-
- env->regs[R_ECX] = kenv->next_eip;
- env->regs[11] = env->eflags;
-
- code64 = env->hflags & HF_CS64_MASK;
-
- cpu_x86_set_cpl(env, 0);
- cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_P_MASK |
- DESC_S_MASK |
- DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK | DESC_L_MASK);
- cpu_x86_load_seg_cache(env, R_SS, (selector + 8) & 0xfffc,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
- DESC_S_MASK |
- DESC_W_MASK | DESC_A_MASK);
- env->eflags &= ~env->fmask;
- if (code64)
- env->eip = env->lstar;
- else
- env->eip = env->cstar;
- } else
-#endif
- {
- env->regs[R_ECX] = (uint32_t)kenv->next_eip;
-
- cpu_x86_set_cpl(env, 0);
- cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
- DESC_S_MASK |
- DESC_CS_MASK | DESC_R_MASK | DESC_A_MASK);
- cpu_x86_load_seg_cache(env, R_SS, (selector + 8) & 0xfffc,
- 0, 0xffffffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
- DESC_S_MASK |
- DESC_W_MASK | DESC_A_MASK);
- env->eflags &= ~(IF_MASK | RF_MASK | VM_MASK);
- env->eip = (uint32_t)env->star;
- }
- return 2;
-}
-
-#ifdef CONFIG_PROFILER
-
-#define PC_REC_SIZE 1
-#define PC_REC_HASH_BITS 16
-#define PC_REC_HASH_SIZE (1 << PC_REC_HASH_BITS)
-
-typedef struct PCRecord {
- unsigned long pc;
- int64_t count;
- struct PCRecord *next;
-} PCRecord;
-
-static PCRecord *pc_rec_hash[PC_REC_HASH_SIZE];
-static int nb_pc_records;
-
-static void kqemu_record_pc(unsigned long pc)
-{
- unsigned long h;
- PCRecord **pr, *r;
-
- h = pc / PC_REC_SIZE;
- h = h ^ (h >> PC_REC_HASH_BITS);
- h &= (PC_REC_HASH_SIZE - 1);
- pr = &pc_rec_hash[h];
- for(;;) {
- r = *pr;
- if (r == NULL)
- break;
- if (r->pc == pc) {
- r->count++;
- return;
- }
- pr = &r->next;
- }
- r = malloc(sizeof(PCRecord));
- r->count = 1;
- r->pc = pc;
- r->next = NULL;
- *pr = r;
- nb_pc_records++;
-}
-
-static int pc_rec_cmp(const void *p1, const void *p2)
-{
- PCRecord *r1 = *(PCRecord **)p1;
- PCRecord *r2 = *(PCRecord **)p2;
- if (r1->count < r2->count)
- return 1;
- else if (r1->count == r2->count)
- return 0;
- else
- return -1;
-}
-
-static void kqemu_record_flush(void)
-{
- PCRecord *r, *r_next;
- int h;
-
- for(h = 0; h < PC_REC_HASH_SIZE; h++) {
- for(r = pc_rec_hash[h]; r != NULL; r = r_next) {
- r_next = r->next;
- free(r);
- }
- pc_rec_hash[h] = NULL;
- }
- nb_pc_records = 0;
-}
-
-void kqemu_record_dump(void)
-{
- PCRecord **pr, *r;
- int i, h;
- FILE *f;
- int64_t total, sum;
-
- pr = malloc(sizeof(PCRecord *) * nb_pc_records);
- i = 0;
- total = 0;
- for(h = 0; h < PC_REC_HASH_SIZE; h++) {
- for(r = pc_rec_hash[h]; r != NULL; r = r->next) {
- pr[i++] = r;
- total += r->count;
- }
- }
- qsort(pr, nb_pc_records, sizeof(PCRecord *), pc_rec_cmp);
-
- f = fopen("/tmp/kqemu.stats", "w");
- if (!f) {
- perror("/tmp/kqemu.stats");
- exit(1);
- }
- fprintf(f, "total: %" PRId64 "\n", total);
- sum = 0;
- for(i = 0; i < nb_pc_records; i++) {
- r = pr[i];
- sum += r->count;
- fprintf(f, "%08lx: %" PRId64 " %0.2f%% %0.2f%%\n",
- r->pc,
- r->count,
- (double)r->count / (double)total * 100.0,
- (double)sum / (double)total * 100.0);
- }
- fclose(f);
- free(pr);
-
- kqemu_record_flush();
-}
-#endif
-
-static inline void kqemu_load_seg(struct kqemu_segment_cache *ksc,
- const SegmentCache *sc)
-{
- ksc->selector = sc->selector;
- ksc->flags = sc->flags;
- ksc->limit = sc->limit;
- ksc->base = sc->base;
-}
-
-static inline void kqemu_save_seg(SegmentCache *sc,
- const struct kqemu_segment_cache *ksc)
-{
- sc->selector = ksc->selector;
- sc->flags = ksc->flags;
- sc->limit = ksc->limit;
- sc->base = ksc->base;
-}
-
-int kqemu_cpu_exec(CPUState *env)
-{
- struct kqemu_cpu_state kcpu_state, *kenv = &kcpu_state;
- int ret, cpl, i;
-#ifdef CONFIG_PROFILER
- int64_t ti;
-#endif
-#ifdef _WIN32
- DWORD temp;
-#endif
-
-#ifdef CONFIG_PROFILER
- ti = profile_getclock();
-#endif
- LOG_INT("kqemu: cpu_exec: enter\n");
- LOG_INT_STATE(env);
- for(i = 0; i < CPU_NB_REGS; i++)
- kenv->regs[i] = env->regs[i];
- kenv->eip = env->eip;
- kenv->eflags = env->eflags;
- for(i = 0; i < 6; i++)
- kqemu_load_seg(&kenv->segs[i], &env->segs[i]);
- kqemu_load_seg(&kenv->ldt, &env->ldt);
- kqemu_load_seg(&kenv->tr, &env->tr);
- kqemu_load_seg(&kenv->gdt, &env->gdt);
- kqemu_load_seg(&kenv->idt, &env->idt);
- kenv->cr0 = env->cr[0];
- kenv->cr2 = env->cr[2];
- kenv->cr3 = env->cr[3];
- kenv->cr4 = env->cr[4];
- kenv->a20_mask = env->a20_mask;
- kenv->efer = env->efer;
- kenv->tsc_offset = 0;
- kenv->star = env->star;
- kenv->sysenter_cs = env->sysenter_cs;
- kenv->sysenter_esp = env->sysenter_esp;
- kenv->sysenter_eip = env->sysenter_eip;
-#ifdef TARGET_X86_64
- kenv->lstar = env->lstar;
- kenv->cstar = env->cstar;
- kenv->fmask = env->fmask;
- kenv->kernelgsbase = env->kernelgsbase;
-#endif
- if (env->dr[7] & 0xff) {
- kenv->dr7 = env->dr[7];
- kenv->dr0 = env->dr[0];
- kenv->dr1 = env->dr[1];
- kenv->dr2 = env->dr[2];
- kenv->dr3 = env->dr[3];
- } else {
- kenv->dr7 = 0;
- }
- kenv->dr6 = env->dr[6];
- cpl = (env->hflags & HF_CPL_MASK);
- kenv->cpl = cpl;
- kenv->nb_pages_to_flush = nb_pages_to_flush;
- kenv->user_only = (env->kqemu_enabled == 1);
- kenv->nb_ram_pages_to_update = nb_ram_pages_to_update;
- nb_ram_pages_to_update = 0;
- kenv->nb_modified_ram_pages = nb_modified_ram_pages;
-
- kqemu_reset_modified_ram_pages();
-
- if (env->cpuid_features & CPUID_FXSR)
- restore_native_fp_fxrstor(env);
- else
- restore_native_fp_frstor(env);
-
-#ifdef _WIN32
- if (DeviceIoControl(kqemu_fd, KQEMU_EXEC,
- kenv, sizeof(struct kqemu_cpu_state),
- kenv, sizeof(struct kqemu_cpu_state),
- &temp, NULL)) {
- ret = kenv->retval;
- } else {
- ret = -1;
- }
-#else
- ioctl(kqemu_fd, KQEMU_EXEC, kenv);
- ret = kenv->retval;
-#endif
- if (env->cpuid_features & CPUID_FXSR)
- save_native_fp_fxsave(env);
- else
- save_native_fp_fsave(env);
-
- for(i = 0; i < CPU_NB_REGS; i++)
- env->regs[i] = kenv->regs[i];
- env->eip = kenv->eip;
- env->eflags = kenv->eflags;
- for(i = 0; i < 6; i++)
- kqemu_save_seg(&env->segs[i], &kenv->segs[i]);
- cpu_x86_set_cpl(env, kenv->cpl);
- kqemu_save_seg(&env->ldt, &kenv->ldt);
- env->cr[0] = kenv->cr0;
- env->cr[4] = kenv->cr4;
- env->cr[3] = kenv->cr3;
- env->cr[2] = kenv->cr2;
- env->dr[6] = kenv->dr6;
-#ifdef TARGET_X86_64
- env->kernelgsbase = kenv->kernelgsbase;
-#endif
-
- /* flush pages as indicated by kqemu */
- if (kenv->nb_pages_to_flush >= KQEMU_FLUSH_ALL) {
- tlb_flush(env, 1);
- } else {
- for(i = 0; i < kenv->nb_pages_to_flush; i++) {
- tlb_flush_page(env, pages_to_flush[i]);
- }
- }
- nb_pages_to_flush = 0;
-
-#ifdef CONFIG_PROFILER
- kqemu_time += profile_getclock() - ti;
- kqemu_exec_count++;
-#endif
-
- if (kenv->nb_ram_pages_to_update > 0) {
- cpu_tlb_update_dirty(env);
- }
-
- if (kenv->nb_modified_ram_pages > 0) {
- for(i = 0; i < kenv->nb_modified_ram_pages; i++) {
- unsigned long addr;
- addr = modified_ram_pages[i];
- tb_invalidate_phys_page_range(addr, addr + TARGET_PAGE_SIZE, 0);
- }
- }
-
- /* restore the hidden flags */
- {
- unsigned int new_hflags;
-#ifdef TARGET_X86_64
- if ((env->hflags & HF_LMA_MASK) &&
- (env->segs[R_CS].flags & DESC_L_MASK)) {
- /* long mode */
- new_hflags = HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK;
- } else
-#endif
- {
- /* legacy / compatibility case */
- new_hflags = (env->segs[R_CS].flags & DESC_B_MASK)
- >> (DESC_B_SHIFT - HF_CS32_SHIFT);
- new_hflags |= (env->segs[R_SS].flags & DESC_B_MASK)
- >> (DESC_B_SHIFT - HF_SS32_SHIFT);
- if (!(env->cr[0] & CR0_PE_MASK) ||
- (env->eflags & VM_MASK) ||
- !(env->hflags & HF_CS32_MASK)) {
- /* XXX: try to avoid this test. The problem comes from the
- fact that is real mode or vm86 mode we only modify the
- 'base' and 'selector' fields of the segment cache to go
- faster. A solution may be to force addseg to one in
- translate-i386.c. */
- new_hflags |= HF_ADDSEG_MASK;
- } else {
- new_hflags |= ((env->segs[R_DS].base |
- env->segs[R_ES].base |
- env->segs[R_SS].base) != 0) <<
- HF_ADDSEG_SHIFT;
- }
- }
- env->hflags = (env->hflags &
- ~(HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK | HF_ADDSEG_MASK)) |
- new_hflags;
- }
- /* update FPU flags */
- env->hflags = (env->hflags & ~(HF_MP_MASK | HF_EM_MASK | HF_TS_MASK)) |
- ((env->cr[0] << (HF_MP_SHIFT - 1)) & (HF_MP_MASK | HF_EM_MASK | HF_TS_MASK));
- if (env->cr[4] & CR4_OSFXSR_MASK)
- env->hflags |= HF_OSFXSR_MASK;
- else
- env->hflags &= ~HF_OSFXSR_MASK;
-
- LOG_INT("kqemu: kqemu_cpu_exec: ret=0x%x\n", ret);
- if (ret == KQEMU_RET_SYSCALL) {
- /* syscall instruction */
- return do_syscall(env, kenv);
- } else
- if ((ret & 0xff00) == KQEMU_RET_INT) {
- env->exception_index = ret & 0xff;
- env->error_code = 0;
- env->exception_is_int = 1;
- env->exception_next_eip = kenv->next_eip;
-#ifdef CONFIG_PROFILER
- kqemu_ret_int_count++;
-#endif
- LOG_INT("kqemu: interrupt v=%02x:\n", env->exception_index);
- LOG_INT_STATE(env);
- return 1;
- } else if ((ret & 0xff00) == KQEMU_RET_EXCEPTION) {
- env->exception_index = ret & 0xff;
- env->error_code = kenv->error_code;
- env->exception_is_int = 0;
- env->exception_next_eip = 0;
-#ifdef CONFIG_PROFILER
- kqemu_ret_excp_count++;
-#endif
- LOG_INT("kqemu: exception v=%02x e=%04x:\n",
- env->exception_index, env->error_code);
- LOG_INT_STATE(env);
- return 1;
- } else if (ret == KQEMU_RET_INTR) {
-#ifdef CONFIG_PROFILER
- kqemu_ret_intr_count++;
-#endif
- LOG_INT_STATE(env);
- return 0;
- } else if (ret == KQEMU_RET_SOFTMMU) {
-#ifdef CONFIG_PROFILER
- {
- unsigned long pc = env->eip + env->segs[R_CS].base;
- kqemu_record_pc(pc);
- }
-#endif
- LOG_INT_STATE(env);
- return 2;
- } else {
- cpu_dump_state(env, stderr, fprintf, 0);
- fprintf(stderr, "Unsupported return value: 0x%x\n", ret);
- exit(1);
- }
- return 0;
-}
-
-void kqemu_cpu_interrupt(CPUState *env)
-{
-#if defined(_WIN32)
- /* cancelling the I/O request causes KQEMU to finish executing the
- current block and successfully returning. */
- CancelIo(kqemu_fd);
-#endif
-}
-
-/*
- QEMU paravirtualization interface. The current interface only
- allows to modify the IF and IOPL flags when running in
- kqemu.
-
- At this point it is not very satisfactory. I leave it for reference
- as it adds little complexity.
-*/
-
-#define QPI_COMM_PAGE_PHYS_ADDR 0xff000000
-
-static uint32_t qpi_mem_readb(void *opaque, target_phys_addr_t addr)
-{
- return 0;
-}
-
-static uint32_t qpi_mem_readw(void *opaque, target_phys_addr_t addr)
-{
- return 0;
-}
-
-static void qpi_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
-}
-
-static void qpi_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
-}
-
-static uint32_t qpi_mem_readl(void *opaque, target_phys_addr_t addr)
-{
- CPUState *env;
-
- env = cpu_single_env;
- if (!env)
- return 0;
- return env->eflags & (IF_MASK | IOPL_MASK);
-}
-
-/* Note: after writing to this address, the guest code must make sure
- it is exiting the current TB. pushf/popf can be used for that
- purpose. */
-static void qpi_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
-{
- CPUState *env;
-
- env = cpu_single_env;
- if (!env)
- return;
- env->eflags = (env->eflags & ~(IF_MASK | IOPL_MASK)) |
- (val & (IF_MASK | IOPL_MASK));
-}
-
-static CPUReadMemoryFunc *qpi_mem_read[3] = {
- qpi_mem_readb,
- qpi_mem_readw,
- qpi_mem_readl,
-};
-
-static CPUWriteMemoryFunc *qpi_mem_write[3] = {
- qpi_mem_writeb,
- qpi_mem_writew,
- qpi_mem_writel,
-};
-
-static void qpi_init(void)
-{
- kqemu_comm_base = 0xff000000 | 1;
- qpi_io_memory = cpu_register_io_memory(
- qpi_mem_read,
- qpi_mem_write, NULL);
- cpu_register_physical_memory(kqemu_comm_base & ~0xfff,
- 0x1000, qpi_io_memory);
-}
-#endif
diff --git a/kqemu.h b/kqemu.h
deleted file mode 100644
index ed25c75..0000000
--- a/kqemu.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * KQEMU header
- *
- * Copyright (c) 2004-2008 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#ifndef KQEMU_H
-#define KQEMU_H
-
-#if defined(__i386__)
-#define KQEMU_PAD32(x) x
-#else
-#define KQEMU_PAD32(x)
-#endif
-
-#define KQEMU_VERSION 0x010400
-
-struct kqemu_segment_cache {
- uint16_t selector;
- uint16_t padding1;
- uint32_t flags;
- uint64_t base;
- uint32_t limit;
- uint32_t padding2;
-};
-
-struct kqemu_cpu_state {
- uint64_t regs[16];
- uint64_t eip;
- uint64_t eflags;
-
- struct kqemu_segment_cache segs[6]; /* selector values */
- struct kqemu_segment_cache ldt;
- struct kqemu_segment_cache tr;
- struct kqemu_segment_cache gdt; /* only base and limit are used */
- struct kqemu_segment_cache idt; /* only base and limit are used */
-
- uint64_t cr0;
- uint64_t cr2;
- uint64_t cr3;
- uint64_t cr4;
- uint64_t a20_mask;
-
- /* sysenter registers */
- uint64_t sysenter_cs;
- uint64_t sysenter_esp;
- uint64_t sysenter_eip;
- uint64_t efer;
- uint64_t star;
-
- uint64_t lstar;
- uint64_t cstar;
- uint64_t fmask;
- uint64_t kernelgsbase;
-
- uint64_t tsc_offset;
-
- uint64_t dr0;
- uint64_t dr1;
- uint64_t dr2;
- uint64_t dr3;
- uint64_t dr6;
- uint64_t dr7;
-
- uint8_t cpl;
- uint8_t user_only;
- uint16_t padding1;
-
- uint32_t error_code; /* error_code when exiting with an exception */
- uint64_t next_eip; /* next eip value when exiting with an interrupt */
- uint32_t nb_pages_to_flush; /* number of pages to flush,
- KQEMU_FLUSH_ALL means full flush */
-#define KQEMU_MAX_PAGES_TO_FLUSH 512
-#define KQEMU_FLUSH_ALL (KQEMU_MAX_PAGES_TO_FLUSH + 1)
-
- int32_t retval;
-
- /* number of ram_dirty entries to update */
- uint32_t nb_ram_pages_to_update;
-#define KQEMU_MAX_RAM_PAGES_TO_UPDATE 512
-#define KQEMU_RAM_PAGES_UPDATE_ALL (KQEMU_MAX_RAM_PAGES_TO_UPDATE + 1)
-
-#define KQEMU_MAX_MODIFIED_RAM_PAGES 512
- uint32_t nb_modified_ram_pages;
-};
-
-struct kqemu_init {
- uint8_t *ram_base; /* must be page aligned */
- KQEMU_PAD32(uint32_t padding1;)
- uint64_t ram_size; /* must be multiple of 4 KB */
- uint8_t *ram_dirty; /* must be page aligned */
- KQEMU_PAD32(uint32_t padding2;)
- uint64_t *pages_to_flush; /* must be page aligned */
- KQEMU_PAD32(uint32_t padding4;)
- uint64_t *ram_pages_to_update; /* must be page aligned */
- KQEMU_PAD32(uint32_t padding5;)
- uint64_t *modified_ram_pages; /* must be page aligned */
- KQEMU_PAD32(uint32_t padding6;)
-};
-
-#define KQEMU_IO_MEM_RAM 0
-#define KQEMU_IO_MEM_ROM 1
-#define KQEMU_IO_MEM_COMM 2 /* kqemu communication page */
-#define KQEMU_IO_MEM_UNASSIGNED 3 /* any device: return to application */
-
-struct kqemu_phys_mem {
- uint64_t phys_addr; /* physical address range: phys_addr,
- phys_addr + size */
- uint64_t size;
- uint64_t ram_addr; /* corresponding ram address */
- uint32_t io_index; /* memory type: see KQEMU_IO_MEM_xxx */
- uint32_t padding1;
-};
-
-#define KQEMU_RET_ABORT (-1)
-#define KQEMU_RET_EXCEPTION 0x0000 /* 8 low order bit are the exception */
-#define KQEMU_RET_INT 0x0100 /* 8 low order bit are the interrupt */
-#define KQEMU_RET_SOFTMMU 0x0200 /* emulation needed (I/O or
- unsupported INSN) */
-#define KQEMU_RET_INTR 0x0201 /* interrupted by a signal */
-#define KQEMU_RET_SYSCALL 0x0300 /* syscall insn */
-
-#ifdef _WIN32
-#define KQEMU_EXEC CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
-#define KQEMU_INIT CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_BUFFERED, FILE_WRITE_ACCESS)
-#define KQEMU_GET_VERSION CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_BUFFERED, FILE_READ_ACCESS)
-#define KQEMU_MODIFY_RAM_PAGES CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_BUFFERED, FILE_WRITE_ACCESS)
-#define KQEMU_SET_PHYS_MEM CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_BUFFERED, FILE_WRITE_ACCESS)
-#else
-#define KQEMU_EXEC _IOWR('q', 1, struct kqemu_cpu_state)
-#define KQEMU_INIT _IOW('q', 2, struct kqemu_init)
-#define KQEMU_GET_VERSION _IOR('q', 3, int)
-#define KQEMU_MODIFY_RAM_PAGES _IOW('q', 4, int)
-#define KQEMU_SET_PHYS_MEM _IOW('q', 5, struct kqemu_phys_mem)
-#endif
-
-#endif /* KQEMU_H */
diff --git a/monitor.c b/monitor.c
index 08a9ea5..967171b 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1390,36 +1390,6 @@ static void tlb_info(Monitor *mon)
#endif
-static void do_info_kqemu(Monitor *mon)
-{
-#ifdef CONFIG_KQEMU
- CPUState *env;
- int val;
- val = 0;
- env = mon_get_cpu();
- if (!env) {
- monitor_printf(mon, "No cpu initialized yet");
- return;
- }
- val = env->kqemu_enabled;
- monitor_printf(mon, "kqemu support: ");
- switch(val) {
- default:
- case 0:
- monitor_printf(mon, "disabled\n");
- break;
- case 1:
- monitor_printf(mon, "enabled for user code\n");
- break;
- case 2:
- monitor_printf(mon, "enabled for user and kernel code\n");
- break;
- }
-#else
- monitor_printf(mon, "kqemu support: not compiled\n");
-#endif
-}
-
static void do_info_kvm(Monitor *mon)
{
#ifdef CONFIG_KVM
@@ -1454,14 +1424,6 @@ static void do_info_numa(Monitor *mon)
#ifdef CONFIG_PROFILER
-int64_t kqemu_time;
-int64_t qemu_time;
-int64_t kqemu_exec_count;
-int64_t dev_time;
-int64_t kqemu_ret_int_count;
-int64_t kqemu_ret_excp_count;
-int64_t kqemu_ret_intr_count;
-
static void do_info_profile(Monitor *mon)
{
int64_t total;
@@ -1472,25 +1434,8 @@ static void do_info_profile(Monitor *mon)
dev_time, dev_time / (double)ticks_per_sec);
monitor_printf(mon, "qemu time %" PRId64 " (%0.3f)\n",
qemu_time, qemu_time / (double)ticks_per_sec);
- monitor_printf(mon, "kqemu time %" PRId64 " (%0.3f %0.1f%%) count=%"
- PRId64 " int=%" PRId64 " excp=%" PRId64 " intr=%"
- PRId64 "\n",
- kqemu_time, kqemu_time / (double)ticks_per_sec,
- kqemu_time / (double)total * 100.0,
- kqemu_exec_count,
- kqemu_ret_int_count,
- kqemu_ret_excp_count,
- kqemu_ret_intr_count);
qemu_time = 0;
- kqemu_time = 0;
- kqemu_exec_count = 0;
dev_time = 0;
- kqemu_ret_int_count = 0;
- kqemu_ret_excp_count = 0;
- kqemu_ret_intr_count = 0;
-#ifdef CONFIG_KQEMU
- kqemu_record_dump();
-#endif
}
#else
static void do_info_profile(Monitor *mon)
@@ -1841,8 +1786,6 @@ static const mon_cmd_t info_cmds[] = {
#endif
{ "jit", "", do_info_jit,
"", "show dynamic compiler info", },
- { "kqemu", "", do_info_kqemu,
- "", "show KQEMU information", },
{ "kvm", "", do_info_kvm,
"", "show KVM information", },
{ "numa", "", do_info_numa,
diff --git a/osdep.c b/osdep.c
index bbfa976..baacce7 100644
--- a/osdep.c
+++ b/osdep.c
@@ -88,119 +88,6 @@ void qemu_vfree(void *ptr)
#else
-#if defined(CONFIG_KQEMU)
-
-#ifdef __OpenBSD__
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/mount.h>
-#else
-#ifndef __FreeBSD__
-#include <sys/vfs.h>
-#endif
-#endif
-
-#include <sys/mman.h>
-#include <fcntl.h>
-
-static void *kqemu_vmalloc(size_t size)
-{
- static int phys_ram_fd = -1;
- static int phys_ram_size = 0;
- void *ptr;
-
-/* no need (?) for a dummy file on OpenBSD/FreeBSD */
-#if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
- int map_anon = MAP_ANON;
-#else
- int map_anon = 0;
- const char *tmpdir;
- char phys_ram_file[1024];
-#ifdef CONFIG_SOLARIS
- struct statvfs stfs;
-#else
- struct statfs stfs;
-#endif
-
- if (!size) {
- abort ();
- }
-
- if (phys_ram_fd < 0) {
- tmpdir = getenv("QEMU_TMPDIR");
- if (!tmpdir)
-#ifdef CONFIG_SOLARIS
- tmpdir = "/tmp";
- if (statvfs(tmpdir, &stfs) == 0) {
-#else
- tmpdir = "/dev/shm";
- if (statfs(tmpdir, &stfs) == 0) {
-#endif
- int64_t free_space;
- int ram_mb;
-
- free_space = (int64_t)stfs.f_bavail * stfs.f_bsize;
- if ((ram_size + 8192 * 1024) >= free_space) {
- ram_mb = (ram_size / (1024 * 1024));
- fprintf(stderr,
- "You do not have enough space in '%s' for the %d MB of QEMU virtual RAM.\n",
- tmpdir, ram_mb);
- if (strcmp(tmpdir, "/dev/shm") == 0) {
- fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n"
- "mount -o remount,size=%dm /dev/shm\n",
- ram_mb + 16);
- } else {
- fprintf(stderr,
- "Use the '-m' option of QEMU to diminish the amount of virtual RAM or use the\n"
- "QEMU_TMPDIR environment variable to set another directory where the QEMU\n"
- "temporary RAM file will be opened.\n");
- }
- fprintf(stderr, "Or disable the accelerator module with -no-kqemu\n");
- exit(1);
- }
- }
- snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
- tmpdir);
- phys_ram_fd = mkstemp(phys_ram_file);
- if (phys_ram_fd < 0) {
- fprintf(stderr,
- "warning: could not create temporary file in '%s'.\n"
- "Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n"
- "Using '/tmp' as fallback.\n",
- tmpdir);
- snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
- "/tmp");
- phys_ram_fd = mkstemp(phys_ram_file);
- if (phys_ram_fd < 0) {
- fprintf(stderr, "Could not create temporary memory file '%s'\n",
- phys_ram_file);
- exit(1);
- }
- }
- unlink(phys_ram_file);
- }
- size = (size + 4095) & ~4095;
- ftruncate(phys_ram_fd, phys_ram_size + size);
-#endif /* !(__OpenBSD__ || __FreeBSD__ || __DragonFly__) */
- ptr = mmap(NULL,
- size,
- PROT_WRITE | PROT_READ, map_anon | MAP_SHARED,
- phys_ram_fd, phys_ram_size);
- if (ptr == MAP_FAILED) {
- fprintf(stderr, "Could not map physical memory\n");
- exit(1);
- }
- phys_ram_size += size;
- return ptr;
-}
-
-static void kqemu_vfree(void *ptr)
-{
- /* may be useful some day, but currently we do not need to free */
-}
-
-#endif
-
void *qemu_memalign(size_t alignment, size_t size)
{
#if defined(_POSIX_C_SOURCE)
@@ -220,19 +107,11 @@ void *qemu_memalign(size_t alignment, size_t size)
/* alloc shared memory pages */
void *qemu_vmalloc(size_t size)
{
-#if defined(CONFIG_KQEMU)
- if (kqemu_allowed)
- return kqemu_vmalloc(size);
-#endif
return qemu_memalign(getpagesize(), size);
}
void qemu_vfree(void *ptr)
{
-#if defined(CONFIG_KQEMU)
- if (kqemu_allowed)
- kqemu_vfree(ptr);
-#endif
free(ptr);
}
diff --git a/qemu-monitor.hx b/qemu-monitor.hx
index 11bdb2c..f56354b 100644
--- a/qemu-monitor.hx
+++ b/qemu-monitor.hx
@@ -57,8 +57,6 @@ show virtual to physical memory mappings (i386 only)
show the active virtual memory mappings (i386 only)
@item info hpet
show state of HPET (i386 only)
-@item info kqemu
-show KQEMU information
@item info kvm
show KVM information
@item info usb
diff --git a/qemu-options.hx b/qemu-options.hx
index 38989f1..03abb5c 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1414,25 +1414,6 @@ STEXI
Set the filename for the BIOS.
ETEXI
-#ifdef CONFIG_KQEMU
-DEF("kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu, \
- "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n")
-#endif
-STEXI
-@item -kernel-kqemu
-Enable KQEMU full virtualization (default is user mode only).
-ETEXI
-
-#ifdef CONFIG_KQEMU
-DEF("enable-kqemu", 0, QEMU_OPTION_enable_kqemu, \
- "-enable-kqemu enable KQEMU kernel module usage\n")
-#endif
-STEXI
-@item -enable-kqemu
-Enable KQEMU kernel module usage. KQEMU options are only available if
-KQEMU support is enabled when compiling.
-ETEXI
-
#ifdef CONFIG_KVM
DEF("enable-kvm", 0, QEMU_OPTION_enable_kvm, \
"-enable-kvm enable KVM full virtualization support\n")
diff --git a/qemu-tech.texi b/qemu-tech.texi
index ed2d35b..97d8dea 100644
--- a/qemu-tech.texi
+++ b/qemu-tech.texi
@@ -116,8 +116,8 @@ QEMU full system emulation features:
QEMU uses a full software MMU for maximum portability.
@item
-QEMU can optionally use an in-kernel accelerator, like kqemu and
-kvm. The accelerators execute some of the guest code natively, while
+QEMU can optionally use an in-kernel accelerator, like kvm. The accelerators
+execute some of the guest code natively, while
continuing to emulate the rest of the machine.
@item
diff --git a/softmmu_template.h b/softmmu_template.h
index 018d7fe..0e13153 100644
--- a/softmmu_template.h
+++ b/softmmu_template.h
@@ -75,9 +75,6 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(target_phys_addr_t physaddr,
res |= (uint64_t)io_mem_read[index][2](io_mem_opaque[index], physaddr + 4) << 32;
#endif
#endif /* SHIFT > 2 */
-#ifdef CONFIG_KQEMU
- env->last_io_time = cpu_get_time_fast();
-#endif
return res;
}
@@ -220,9 +217,6 @@ static inline void glue(io_write, SUFFIX)(target_phys_addr_t physaddr,
io_mem_write[index][2](io_mem_opaque[index], physaddr + 4, val >> 32);
#endif
#endif /* SHIFT > 2 */
-#ifdef CONFIG_KQEMU
- env->last_io_time = cpu_get_time_fast();
-#endif
}
void REGPARM glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr,
diff --git a/sysemu.h b/sysemu.h
index 1ed2ad0..1df0872 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -131,10 +131,6 @@ extern int semihosting_enabled;
extern int old_param;
extern int boot_menu;
-#ifdef CONFIG_KQEMU
-extern int kqemu_allowed;
-#endif
-
#define MAX_NODES 64
extern int nb_numa_nodes;
extern uint64_t node_mem[MAX_NODES];
diff --git a/target-i386/TODO b/target-i386/TODO
index b671e24..c8ada07 100644
--- a/target-i386/TODO
+++ b/target-i386/TODO
@@ -30,4 +30,3 @@ Optimizations/Features:
- evaluate x87 stack pointer statically
- find a way to avoid translating several time the same TB if CR0.TS
is set or not.
-- move kqemu support outside target-i386.
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 6a96e93..d4274ea 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -682,11 +682,6 @@ typedef struct CPUX86State {
uint64_t mask;
} mtrr_var[8];
-#ifdef CONFIG_KQEMU
- int kqemu_enabled;
- int last_io_time;
-#endif
-
/* For KVM */
uint64_t interrupt_bitmap[256 / 64];
uint32_t mp_state;
@@ -850,15 +845,6 @@ uint64_t cpu_get_tsc(CPUX86State *env);
#define X86_DUMP_FPU 0x0001 /* dump FPU state too */
#define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */
-#ifdef CONFIG_KQEMU
-static inline int cpu_get_time_fast(void)
-{
- int low, high;
- asm volatile("rdtsc" : "=a" (low), "=d" (high));
- return low;
-}
-#endif
-
#define TARGET_PAGE_BITS 12
#define cpu_init cpu_x86_init
diff --git a/target-i386/helper.c b/target-i386/helper.c
index dd89885..e18a5a9 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -995,15 +995,11 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState *env, target_ulong addr)
/* XXX: This value should match the one returned by CPUID
* and in exec.c */
-#if defined(CONFIG_KQEMU)
-#define PHYS_ADDR_MASK 0xfffff000LL
-#else
# if defined(TARGET_X86_64)
# define PHYS_ADDR_MASK 0xfffffff000LL
# else
# define PHYS_ADDR_MASK 0xffffff000LL
# endif
-#endif
/* return value:
-1 = cannot handle fault
@@ -1743,21 +1739,13 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
/* XXX: This value must match the one used in the MMU code. */
if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
/* 64 bit processor */
-#if defined(CONFIG_KQEMU)
- *eax = 0x00003020; /* 48 bits virtual, 32 bits physical */
-#else
/* XXX: The physical address space is limited to 42 bits in exec.c. */
*eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
-#endif
} else {
-#if defined(CONFIG_KQEMU)
- *eax = 0x00000020; /* 32 bits physical */
-#else
if (env->cpuid_features & CPUID_PSE36)
*eax = 0x00000024; /* 36 bits physical */
else
*eax = 0x00000020; /* 32 bits physical */
-#endif
}
*ebx = 0;
*ecx = 0;
@@ -1833,9 +1821,6 @@ CPUX86State *cpu_x86_init(const char *cpu_model)
}
mce_init(env);
cpu_reset(env);
-#ifdef CONFIG_KQEMU
- kqemu_init(env);
-#endif
qemu_init_vcpu(env);
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index 6808a35..c3f5af6 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -1111,14 +1111,6 @@ void helper_sysret(int dflag)
env->eflags |= IF_MASK;
cpu_x86_set_cpl(env, 3);
}
-#ifdef CONFIG_KQEMU
- if (kqemu_is_ok(env)) {
- if (env->hflags & HF_LMA_MASK)
- CC_OP = CC_OP_EFLAGS;
- env->exception_index = -1;
- cpu_loop_exit();
- }
-#endif
}
#endif
@@ -2506,12 +2498,6 @@ void helper_lcall_protected(int new_cs, target_ulong new_eip,
SET_ESP(sp, sp_mask);
EIP = offset;
}
-#ifdef CONFIG_KQEMU
- if (kqemu_is_ok(env)) {
- env->exception_index = -1;
- cpu_loop_exit();
- }
-#endif
}
/* real and vm86 mode iret */
@@ -2792,24 +2778,11 @@ void helper_iret_protected(int shift, int next_eip)
helper_ret_protected(shift, 1, 0);
}
env->hflags2 &= ~HF2_NMI_MASK;
-#ifdef CONFIG_KQEMU
- if (kqemu_is_ok(env)) {
- CC_OP = CC_OP_EFLAGS;
- env->exception_index = -1;
- cpu_loop_exit();
- }
-#endif
}
void helper_lret_protected(int shift, int addend)
{
helper_ret_protected(shift, 0, addend);
-#ifdef CONFIG_KQEMU
- if (kqemu_is_ok(env)) {
- env->exception_index = -1;
- cpu_loop_exit();
- }
-#endif
}
void helper_sysenter(void)
@@ -2882,12 +2855,6 @@ void helper_sysexit(int dflag)
}
ESP = ECX;
EIP = EDX;
-#ifdef CONFIG_KQEMU
- if (kqemu_is_ok(env)) {
- env->exception_index = -1;
- cpu_loop_exit();
- }
-#endif
}
#if defined(CONFIG_USER_ONLY)
@@ -3211,15 +3178,6 @@ void helper_rdmsr(void)
val = env->kernelgsbase;
break;
#endif
-#ifdef CONFIG_KQEMU
- case MSR_QPI_COMMBASE:
- if (env->kqemu_enabled) {
- val = kqemu_comm_base;
- } else {
- val = 0;
- }
- break;
-#endif
case MSR_MTRRphysBase(0):
case MSR_MTRRphysBase(1):
case MSR_MTRRphysBase(2):
diff --git a/vl.c b/vl.c
index 91d3f78..c164f45 100644
--- a/vl.c
+++ b/vl.c
@@ -1139,11 +1139,6 @@ static void host_alarm_handler(int host_signum)
if (next_cpu) {
/* stop the currently executing cpu because a timer occured */
cpu_exit(next_cpu);
-#ifdef CONFIG_KQEMU
- if (next_cpu->kqemu_enabled) {
- kqemu_cpu_interrupt(next_cpu);
- }
-#endif
}
#endif
timer_alarm_pending = 1;
@@ -3597,11 +3592,7 @@ void qemu_notify_event(void)
if (env) {
cpu_exit(env);
-#ifdef USE_KQEMU
- if (env->kqemu_enabled)
- kqemu_cpu_interrupt(env);
-#endif
- }
+ }
}
#define qemu_mutex_lock_iothread() do { } while (0)
@@ -5182,11 +5173,7 @@ int main(int argc, char **argv, char **envp)
}
/* On 32-bit hosts, QEMU is limited by virtual address space */
- if (value > (2047 << 20)
-#ifndef CONFIG_KQEMU
- && HOST_LONG_BITS == 32
-#endif
- ) {
+ if (value > (2047 << 20) && HOST_LONG_BITS == 32) {
fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
exit(1);
}
@@ -5367,20 +5354,9 @@ int main(int argc, char **argv, char **envp)
}
break;
#endif
-#ifdef CONFIG_KQEMU
- case QEMU_OPTION_enable_kqemu:
- kqemu_allowed = 1;
- break;
- case QEMU_OPTION_kernel_kqemu:
- kqemu_allowed = 2;
- break;
-#endif
#ifdef CONFIG_KVM
case QEMU_OPTION_enable_kvm:
kvm_allowed = 1;
-#ifdef CONFIG_KQEMU
- kqemu_allowed = 0;
-#endif
break;
#endif
case QEMU_OPTION_usb:
@@ -5593,14 +5569,6 @@ int main(int argc, char **argv, char **envp)
data_dir = CONFIG_QEMU_SHAREDIR;
}
-#if defined(CONFIG_KVM) && defined(CONFIG_KQEMU)
- if (kvm_allowed && kqemu_allowed) {
- fprintf(stderr,
- "You can not enable both KVM and kqemu at the same time\n");
- exit(1);
- }
-#endif
-
/*
* Default to max_cpus = smp_cpus, in case the user doesn't
* specify a max_cpus value.
@@ -5679,10 +5647,6 @@ int main(int argc, char **argv, char **envp)
}
#endif
-#ifdef CONFIG_KQEMU
- if (smp_cpus > 1)
- kqemu_allowed = 0;
-#endif
if (qemu_init_main_loop()) {
fprintf(stderr, "qemu_init_main_loop failed\n");
exit(1);
@@ -5748,19 +5712,6 @@ int main(int argc, char **argv, char **envp)
if (ram_size == 0)
ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
-#ifdef CONFIG_KQEMU
- /* FIXME: This is a nasty hack because kqemu can't cope with dynamic
- guest ram allocation. It needs to go away. */
- if (kqemu_allowed) {
- kqemu_phys_ram_size = ram_size + 8 * 1024 * 1024 + 4 * 1024 * 1024;
- kqemu_phys_ram_base = qemu_vmalloc(kqemu_phys_ram_size);
- if (!kqemu_phys_ram_base) {
- fprintf(stderr, "Could not allocate physical memory\n");
- exit(1);
- }
- }
-#endif
-
/* init the dynamic translator */
cpu_exec_init_all(tb_size * 1024 * 1024);
generated by cgit v1.1 at 2024-12-23 23:55:22 +0000