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Darwin patch (initial patch by Pierre d'Herbemont)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@980 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-07-05 21:25:26 +00:00
parent 1d43a71773
commit 83fb7adf6c
14 changed files with 185 additions and 106 deletions
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3
Makefile
View File

@ -1,6 +1,9 @@
include config-host.mak
CFLAGS=-Wall -O2 -g
ifdef CONFIG_DARWIN
CFLAGS+= -mdynamic-no-pic
endif
ifdef CONFIG_WIN32
CFLAGS+=-fpack-struct
endif

7
Makefile.target
View File

@ -100,6 +100,7 @@ LDFLAGS+=-Wl,-T,$(SRC_PATH)/amd64.ld
endif
ifeq ($(ARCH),ppc)
CFLAGS+= -D__powerpc__
OP_CFLAGS=$(CFLAGS)
LDFLAGS+=-Wl,-T,$(SRC_PATH)/ppc.ld
endif
@ -152,6 +153,10 @@ ifeq ($(HAVE_GCC3_OPTIONS),yes)
OP_CFLAGS+=-fno-reorder-blocks -fno-optimize-sibling-calls
endif
ifeq ($(CONFIG_DARWIN),yes)
OP_CFLAGS+= -mdynamic-no-pic
endif
#########################################################
DEFINES+=-D_GNU_SOURCE
@ -267,9 +272,11 @@ endif
ifndef CONFIG_SOFTMMU
VL_LDFLAGS+=-Wl,-T,$(SRC_PATH)/i386-vl.ld
endif
ifndef CONFIG_DARWIN
ifndef CONFIG_WIN32
VL_LIBS=-lutil
endif
endif
$(QEMU_SYSTEM): $(VL_OBJS) libqemu.a
$(CC) $(VL_LDFLAGS) -o $@ $^ $(LIBS) $(SDL_LIBS) $(VL_LIBS)

17
configure vendored
View File

@ -88,12 +88,18 @@ bsd="yes"
OpenBSD)
bsd="yes"
;;
Darwin)
bsd="yes"
darwin="yes"
;;
*) ;;
esac
if [ "$bsd" = "yes" ] ; then
make="gmake"
target_list="i386-softmmu"
if [ ! "$darwin" = "yes" ] ; then
make="gmake"
fi
target_list="i386-softmmu ppc-softmmu"
fi
# find source path
@ -391,6 +397,10 @@ if test "$mingw32" = "yes" ; then
elif test -f "/usr/include/byteswap.h" ; then
echo "#define HAVE_BYTESWAP_H 1" >> $config_h
fi
if test "$darwin" = "yes" ; then
echo "CONFIG_DARWIN=yes" >> $config_mak
echo "#define CONFIG_DARWIN 1" >> $config_h
fi
if test "$gdbstub" = "yes" ; then
echo "CONFIG_GDBSTUB=yes" >> $config_mak
echo "#define CONFIG_GDBSTUB 1" >> $config_h
@ -417,10 +427,13 @@ echo "\"" >> $config_h
echo "SRC_PATH=$source_path" >> $config_mak
echo "TARGET_DIRS=$target_list" >> $config_mak
# XXX: suppress that
if [ "$bsd" = "yes" ] ; then
echo "#define O_LARGEFILE 0" >> $config_h
echo "#define lseek64 lseek" >> $config_h
echo "#define mkstemp64 mkstemp" >> $config_h
echo "#define ftruncate64 ftruncate" >> $config_h
echo "#define off64_t off_t" >> $config_h
echo "#define MAP_ANONYMOUS MAP_ANON" >> $config_h
echo "#define _BSD 1" >> $config_h
fi

10
cpu-all.h
View File

@ -538,12 +538,12 @@ static inline void stfq_raw(void *ptr, double v)
#define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
extern unsigned long real_host_page_size;
extern unsigned long host_page_bits;
extern unsigned long host_page_size;
extern unsigned long host_page_mask;
extern unsigned long qemu_real_host_page_size;
extern unsigned long qemu_host_page_bits;
extern unsigned long qemu_host_page_size;
extern unsigned long qemu_host_page_mask;
#define HOST_PAGE_ALIGN(addr) (((addr) + host_page_size - 1) & host_page_mask)
#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
/* same as PROT_xxx */
#define PAGE_READ 0x0001

60
cpu-exec.c
View File

@ -852,24 +852,72 @@ int cpu_signal_handler(int host_signum, struct siginfo *info,
&uc->uc_sigmask, puc);
}
#elif defined(__powerpc)
#elif defined(__powerpc__)
int cpu_signal_handler(int host_signum, struct siginfo *info,
/***********************************************************************
* signal context platform-specific definitions
* From Wine
*/
#ifdef linux
/* All Registers access - only for local access */
# define REG_sig(reg_name, context) ((context)->uc_mcontext.regs->reg_name)
/* Gpr Registers access */
# define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context)
# define IAR_sig(context) REG_sig(nip, context) /* Program counter */
# define MSR_sig(context) REG_sig(msr, context) /* Machine State Register (Supervisor) */
# define CTR_sig(context) REG_sig(ctr, context) /* Count register */
# define XER_sig(context) REG_sig(xer, context) /* User's integer exception register */
# define LR_sig(context) REG_sig(link, context) /* Link register */
# define CR_sig(context) REG_sig(ccr, context) /* Condition register */
/* Float Registers access */
# define FLOAT_sig(reg_num, context) (((double*)((char*)((context)->uc_mcontext.regs+48*4)))[reg_num])
# define FPSCR_sig(context) (*(int*)((char*)((context)->uc_mcontext.regs+(48+32*2)*4)))
/* Exception Registers access */
# define DAR_sig(context) REG_sig(dar, context)
# define DSISR_sig(context) REG_sig(dsisr, context)
# define TRAP_sig(context) REG_sig(trap, context)
#endif /* linux */
#ifdef __APPLE__
# include <sys/ucontext.h>
typedef struct ucontext SIGCONTEXT;
/* All Registers access - only for local access */
# define REG_sig(reg_name, context) ((context)->uc_mcontext->ss.reg_name)
# define FLOATREG_sig(reg_name, context) ((context)->uc_mcontext->fs.reg_name)
# define EXCEPREG_sig(reg_name, context) ((context)->uc_mcontext->es.reg_name)
# define VECREG_sig(reg_name, context) ((context)->uc_mcontext->vs.reg_name)
/* Gpr Registers access */
# define GPR_sig(reg_num, context) REG_sig(r##reg_num, context)
# define IAR_sig(context) REG_sig(srr0, context) /* Program counter */
# define MSR_sig(context) REG_sig(srr1, context) /* Machine State Register (Supervisor) */
# define CTR_sig(context) REG_sig(ctr, context)
# define XER_sig(context) REG_sig(xer, context) /* Link register */
# define LR_sig(context) REG_sig(lr, context) /* User's integer exception register */
# define CR_sig(context) REG_sig(cr, context) /* Condition register */
/* Float Registers access */
# define FLOAT_sig(reg_num, context) FLOATREG_sig(fpregs[reg_num], context)
# define FPSCR_sig(context) ((double)FLOATREG_sig(fpscr, context))
/* Exception Registers access */
# define DAR_sig(context) EXCEPREG_sig(dar, context) /* Fault registers for coredump */
# define DSISR_sig(context) EXCEPREG_sig(dsisr, context)
# define TRAP_sig(context) EXCEPREG_sig(exception, context) /* number of powerpc exception taken */
#endif /* __APPLE__ */
int cpu_signal_handler(int host_signum, siginfo *info,
void *puc)
{
struct ucontext *uc = puc;
struct pt_regs *regs = uc->uc_mcontext.regs;
unsigned long pc;
int is_write;
pc = regs->nip;
pc = IAR_sig(uc);
is_write = 0;
#if 0
/* ppc 4xx case */
if (regs->dsisr & 0x00800000)
if (DSISR_sig(uc) & 0x00800000)
is_write = 1;
#else
if (regs->trap != 0x400 && (regs->dsisr & 0x02000000))
if (TRAP_sig(uc) != 0x400 && (DSISR_sig(uc) & 0x02000000))
is_write = 1;
#endif
return handle_cpu_signal(pc, (unsigned long)info->si_addr,

8
dyngen-exec.h
View File

@ -59,8 +59,14 @@ extern int fprintf(FILE *, const char *, ...);
extern int printf(const char *, ...);
#undef NULL
#define NULL 0
#ifdef _BSD
#if defined(_BSD) && !defined(__APPLE__)
#include <ieeefp.h>
#define FE_TONEAREST FP_RN
#define FE_DOWNWARD FP_RM
#define FE_UPWARD FP_RP
#define FE_TOWARDZERO FP_RZ
#define fesetround(x) fpsetround(x)
#else
#include <fenv.h>
#endif

42
exec.c
View File

@ -100,10 +100,10 @@ typedef struct VirtPageDesc {
static void io_mem_init(void);
unsigned long real_host_page_size;
unsigned long host_page_bits;
unsigned long host_page_size;
unsigned long host_page_mask;
unsigned long qemu_real_host_page_size;
unsigned long qemu_host_page_bits;
unsigned long qemu_host_page_size;
unsigned long qemu_host_page_mask;
/* XXX: for system emulation, it could just be an array */
static PageDesc *l1_map[L1_SIZE];
@ -127,21 +127,21 @@ int loglevel;
static void page_init(void)
{
/* NOTE: we can always suppose that host_page_size >=
/* NOTE: we can always suppose that qemu_host_page_size >=
TARGET_PAGE_SIZE */
#ifdef _WIN32
real_host_page_size = 4096;
qemu_real_host_page_size = 4096;
#else
real_host_page_size = getpagesize();
qemu_real_host_page_size = getpagesize();
#endif
if (host_page_size == 0)
host_page_size = real_host_page_size;
if (host_page_size < TARGET_PAGE_SIZE)
host_page_size = TARGET_PAGE_SIZE;
host_page_bits = 0;
while ((1 << host_page_bits) < host_page_size)
host_page_bits++;
host_page_mask = ~(host_page_size - 1);
if (qemu_host_page_size == 0)
qemu_host_page_size = qemu_real_host_page_size;
if (qemu_host_page_size < TARGET_PAGE_SIZE)
qemu_host_page_size = TARGET_PAGE_SIZE;
qemu_host_page_bits = 0;
while ((1 << qemu_host_page_bits) < qemu_host_page_size)
qemu_host_page_bits++;
qemu_host_page_mask = ~(qemu_host_page_size - 1);
#if !defined(CONFIG_USER_ONLY)
virt_valid_tag = 1;
#endif
@ -831,12 +831,12 @@ static inline void tb_alloc_page(TranslationBlock *tb,
/* force the host page as non writable (writes will have a
page fault + mprotect overhead) */
host_start = page_addr & host_page_mask;
host_end = host_start + host_page_size;
host_start = page_addr & qemu_host_page_mask;
host_end = host_start + qemu_host_page_size;
prot = 0;
for(addr = host_start; addr < host_end; addr += TARGET_PAGE_SIZE)
prot |= page_get_flags(addr);
mprotect((void *)host_start, host_page_size,
mprotect((void *)host_start, qemu_host_page_size,
(prot & PAGE_BITS) & ~PAGE_WRITE);
#ifdef DEBUG_TB_INVALIDATE
printf("protecting code page: 0x%08lx\n",
@ -1737,12 +1737,12 @@ int page_unprotect(unsigned long address, unsigned long pc, void *puc)
PageDesc *p, *p1;
unsigned long host_start, host_end, addr;
host_start = address & host_page_mask;
host_start = address & qemu_host_page_mask;
page_index = host_start >> TARGET_PAGE_BITS;
p1 = page_find(page_index);
if (!p1)
return 0;
host_end = host_start + host_page_size;
host_end = host_start + qemu_host_page_size;
p = p1;
prot = 0;
for(addr = host_start;addr < host_end; addr += TARGET_PAGE_SIZE) {
@ -1754,7 +1754,7 @@ int page_unprotect(unsigned long address, unsigned long pc, void *puc)
if (prot & PAGE_WRITE_ORG) {
pindex = (address - host_start) >> TARGET_PAGE_BITS;
if (!(p1[pindex].flags & PAGE_WRITE)) {
mprotect((void *)host_start, host_page_size,
mprotect((void *)host_start, qemu_host_page_size,
(prot & PAGE_BITS) | PAGE_WRITE);
p1[pindex].flags |= PAGE_WRITE;
/* and since the content will be modified, we must invalidate

32
linux-user/elfload.c
View File

@ -13,6 +13,16 @@
#include "qemu.h"
#include "disas.h"
/* this flag is uneffective under linux too, should be deleted */
#ifndef MAP_DENYWRITE
#define MAP_DENYWRITE 0
#endif
/* should probably go in elf.h */
#ifndef ELIBBAD
#define ELIBBAD 80
#endif
#ifdef TARGET_I386
#define ELF_START_MMAP 0x80000000
@ -332,7 +342,7 @@ static void * get_free_page(void)
/* User-space version of kernel get_free_page. Returns a page-aligned
* page-sized chunk of memory.
*/
retval = (void *)target_mmap(0, host_page_size, PROT_READ|PROT_WRITE,
retval = (void *)target_mmap(0, qemu_host_page_size, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if((long)retval == -1) {
@ -346,7 +356,7 @@ static void * get_free_page(void)
static void free_page(void * pageaddr)
{
target_munmap((unsigned long)pageaddr, host_page_size);
target_munmap((unsigned long)pageaddr, qemu_host_page_size);
}
/*
@ -502,7 +512,7 @@ unsigned long setup_arg_pages(unsigned long p, struct linux_binprm * bprm,
if (size < MAX_ARG_PAGES*TARGET_PAGE_SIZE)
size = MAX_ARG_PAGES*TARGET_PAGE_SIZE;
error = target_mmap(0,
size + host_page_size,
size + qemu_host_page_size,
PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS,
-1, 0);
@ -511,7 +521,7 @@ unsigned long setup_arg_pages(unsigned long p, struct linux_binprm * bprm,
exit(-1);
}
/* we reserve one extra page at the top of the stack as guard */
target_mprotect(error + size, host_page_size, PROT_NONE);
target_mprotect(error + size, qemu_host_page_size, PROT_NONE);
stack_base = error + size - MAX_ARG_PAGES*TARGET_PAGE_SIZE;
p += stack_base;
@ -562,10 +572,10 @@ static void padzero(unsigned long elf_bss)
of the file may not be mapped. A better fix would be to
patch target_mmap(), but it is more complicated as the file
size must be known */
if (real_host_page_size < host_page_size) {
if (qemu_real_host_page_size < qemu_host_page_size) {
unsigned long end_addr, end_addr1;
end_addr1 = (elf_bss + real_host_page_size - 1) &
~(real_host_page_size - 1);
end_addr1 = (elf_bss + qemu_real_host_page_size - 1) &
~(qemu_real_host_page_size - 1);
end_addr = HOST_PAGE_ALIGN(elf_bss);
if (end_addr1 < end_addr) {
mmap((void *)end_addr1, end_addr - end_addr1,
@ -574,9 +584,9 @@ static void padzero(unsigned long elf_bss)
}
}
nbyte = elf_bss & (host_page_size-1);
nbyte = elf_bss & (qemu_host_page_size-1);
if (nbyte) {
nbyte = host_page_size - nbyte;
nbyte = qemu_host_page_size - nbyte;
fpnt = (char *) elf_bss;
do {
*fpnt++ = 0;
@ -811,7 +821,7 @@ static unsigned long load_elf_interp(struct elfhdr * interp_elf_ex,
* bss page.
*/
padzero(elf_bss);
elf_bss = TARGET_ELF_PAGESTART(elf_bss + host_page_size - 1); /* What we have mapped so far */
elf_bss = TARGET_ELF_PAGESTART(elf_bss + qemu_host_page_size - 1); /* What we have mapped so far */
/* Map the last of the bss segment */
if (last_bss > elf_bss) {
@ -1252,7 +1262,7 @@ static int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * r
and some applications "depend" upon this behavior.
Since we do not have the power to recompile these, we
emulate the SVr4 behavior. Sigh. */
mapped_addr = target_mmap(0, host_page_size, PROT_READ | PROT_EXEC,
mapped_addr = target_mmap(0, qemu_host_page_size, PROT_READ | PROT_EXEC,
MAP_FIXED | MAP_PRIVATE, -1, 0);
}

15
linux-user/main.c
View File

@ -28,6 +28,11 @@
#define DEBUG_LOGFILE "/tmp/qemu.log"
#ifdef __APPLE__
#include <crt_externs.h>
# define environ (*_NSGetEnviron())
#endif
static const char *interp_prefix = CONFIG_QEMU_PREFIX;
#if defined(__i386__) && !defined(CONFIG_STATIC)
@ -977,9 +982,9 @@ int main(int argc, char **argv)
} else if (!strcmp(r, "L")) {
interp_prefix = argv[optind++];
} else if (!strcmp(r, "p")) {
host_page_size = atoi(argv[optind++]);
if (host_page_size == 0 ||
(host_page_size & (host_page_size - 1)) != 0) {
qemu_host_page_size = atoi(argv[optind++]);
if (qemu_host_page_size == 0 ||
(qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
fprintf(stderr, "page size must be a power of two\n");
exit(1);
}
@ -1006,8 +1011,8 @@ int main(int argc, char **argv)
/* Scan interp_prefix dir for replacement files. */
init_paths(interp_prefix);
/* NOTE: we need to init the CPU at this stage to get the
host_page_size */
/* NOTE: we need to init the CPU at this stage to get
qemu_host_page_size */
env = cpu_init();
if (elf_exec(filename, argv+optind, environ, regs, info) != 0) {

56
linux-user/mmap.c
View File

@ -53,7 +53,7 @@ int target_mprotect(unsigned long start, unsigned long len, int prot)
if (len == 0)
return 0;
host_start = start & host_page_mask;
host_start = start & qemu_host_page_mask;
host_end = HOST_PAGE_ALIGN(end);
if (start > host_start) {
/* handle host page containing start */
@ -61,27 +61,27 @@ int target_mprotect(unsigned long start, unsigned long len, int prot)
for(addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) {
prot1 |= page_get_flags(addr);
}
if (host_end == host_start + host_page_size) {
if (host_end == host_start + qemu_host_page_size) {
for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
prot1 |= page_get_flags(addr);
}
end = host_end;
}
ret = mprotect((void *)host_start, host_page_size, prot1 & PAGE_BITS);
ret = mprotect((void *)host_start, qemu_host_page_size, prot1 & PAGE_BITS);
if (ret != 0)
return ret;
host_start += host_page_size;
host_start += qemu_host_page_size;
}
if (end < host_end) {
prot1 = prot;
for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
prot1 |= page_get_flags(addr);
}
ret = mprotect((void *)(host_end - host_page_size), host_page_size,
ret = mprotect((void *)(host_end - qemu_host_page_size), qemu_host_page_size,
prot1 & PAGE_BITS);
if (ret != 0)
return ret;
host_end -= host_page_size;
host_end -= qemu_host_page_size;
}
/* handle the pages in the middle */
@ -102,7 +102,7 @@ int mmap_frag(unsigned long host_start,
unsigned long host_end, ret, addr;
int prot1, prot_new;
host_end = host_start + host_page_size;
host_end = host_start + qemu_host_page_size;
/* get the protection of the target pages outside the mapping */
prot1 = 0;
@ -113,7 +113,7 @@ int mmap_frag(unsigned long host_start,
if (prot1 == 0) {
/* no page was there, so we allocate one */
ret = (long)mmap((void *)host_start, host_page_size, prot,
ret = (long)mmap((void *)host_start, qemu_host_page_size, prot,
flags | MAP_ANONYMOUS, -1, 0);
if (ret == -1)
return ret;
@ -130,18 +130,18 @@ int mmap_frag(unsigned long host_start,
/* adjust protection to be able to read */
if (!(prot1 & PROT_WRITE))
mprotect((void *)host_start, host_page_size, prot1 | PROT_WRITE);
mprotect((void *)host_start, qemu_host_page_size, prot1 | PROT_WRITE);
/* read the corresponding file data */
pread(fd, (void *)start, end - start, offset);
/* put final protection */
if (prot_new != (prot1 | PROT_WRITE))
mprotect((void *)host_start, host_page_size, prot_new);
mprotect((void *)host_start, qemu_host_page_size, prot_new);
} else {
/* just update the protection */
if (prot_new != prot1) {
mprotect((void *)host_start, host_page_size, prot_new);
mprotect((void *)host_start, qemu_host_page_size, prot_new);
}
}
return 0;
@ -188,7 +188,7 @@ long target_mmap(unsigned long start, unsigned long len, int prot,
len = TARGET_PAGE_ALIGN(len);
if (len == 0)
return start;
host_start = start & host_page_mask;
host_start = start & qemu_host_page_mask;
if (!(flags & MAP_FIXED)) {
#if defined(__alpha__) || defined(__sparc__) || defined(__x86_64__)
@ -198,10 +198,10 @@ long target_mmap(unsigned long start, unsigned long len, int prot,
last_start += HOST_PAGE_ALIGN(len);
}
#endif
if (host_page_size != real_host_page_size) {
if (qemu_host_page_size != qemu_real_host_page_size) {
/* NOTE: this code is only for debugging with '-p' option */
/* reserve a memory area */
host_len = HOST_PAGE_ALIGN(len) + host_page_size - TARGET_PAGE_SIZE;
host_len = HOST_PAGE_ALIGN(len) + qemu_host_page_size - TARGET_PAGE_SIZE;
host_start = (long)mmap((void *)host_start, host_len, PROT_NONE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (host_start == -1)
@ -217,7 +217,7 @@ long target_mmap(unsigned long start, unsigned long len, int prot,
flags |= MAP_FIXED;
} else {
/* if not fixed, no need to do anything */
host_offset = offset & host_page_mask;
host_offset = offset & qemu_host_page_mask;
host_len = len + offset - host_offset;
start = (long)mmap((void *)host_start, host_len,
prot, flags, fd, host_offset);
@ -238,7 +238,7 @@ long target_mmap(unsigned long start, unsigned long len, int prot,
/* worst case: we cannot map the file because the offset is not
aligned, so we read it */
if (!(flags & MAP_ANONYMOUS) &&
(offset & ~host_page_mask) != (start & ~host_page_mask)) {
(offset & ~qemu_host_page_mask) != (start & ~qemu_host_page_mask)) {
/* msync() won't work here, so we return an error if write is
possible while it is a shared mapping */
if ((flags & MAP_TYPE) == MAP_SHARED &&
@ -260,7 +260,7 @@ long target_mmap(unsigned long start, unsigned long len, int prot,
/* handle the start of the mapping */
if (start > host_start) {
if (host_end == host_start + host_page_size) {
if (host_end == host_start + qemu_host_page_size) {
/* one single host page */
ret = mmap_frag(host_start, start, end,
prot, flags, fd, offset);
@ -268,21 +268,21 @@ long target_mmap(unsigned long start, unsigned long len, int prot,
return ret;
goto the_end1;
}
ret = mmap_frag(host_start, start, host_start + host_page_size,
ret = mmap_frag(host_start, start, host_start + qemu_host_page_size,
prot, flags, fd, offset);
if (ret == -1)
return ret;
host_start += host_page_size;
host_start += qemu_host_page_size;
}
/* handle the end of the mapping */
if (end < host_end) {
ret = mmap_frag(host_end - host_page_size,
host_end - host_page_size, host_end,
ret = mmap_frag(host_end - qemu_host_page_size,
host_end - qemu_host_page_size, host_end,
prot, flags, fd,
offset + host_end - host_page_size - start);
offset + host_end - qemu_host_page_size - start);
if (ret == -1)
return ret;
host_end -= host_page_size;
host_end -= qemu_host_page_size;
}
/* map the middle (easier) */
@ -322,7 +322,7 @@ int target_munmap(unsigned long start, unsigned long len)
if (len == 0)
return -EINVAL;
end = start + len;
host_start = start & host_page_mask;
host_start = start & qemu_host_page_mask;
host_end = HOST_PAGE_ALIGN(end);
if (start > host_start) {
@ -331,14 +331,14 @@ int target_munmap(unsigned long start, unsigned long len)
for(addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) {
prot |= page_get_flags(addr);
}
if (host_end == host_start + host_page_size) {
if (host_end == host_start + qemu_host_page_size) {
for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
prot |= page_get_flags(addr);
}
end = host_end;
}
if (prot != 0)
host_start += host_page_size;
host_start += qemu_host_page_size;
}
if (end < host_end) {
prot = 0;
@ -346,7 +346,7 @@ int target_munmap(unsigned long start, unsigned long len)
prot |= page_get_flags(addr);
}
if (prot != 0)
host_end -= host_page_size;
host_end -= qemu_host_page_size;
}
/* unmap what we can */
@ -391,7 +391,7 @@ int target_msync(unsigned long start, unsigned long len, int flags)
if (end == start)
return 0;
start &= host_page_mask;
start &= qemu_host_page_mask;
return msync((void *)start, end - start, flags);
}

2
oss.c
View File

@ -23,7 +23,7 @@
*/
#include "vl.h"
#ifndef _WIN32
#if !defined(_WIN32) && !defined(__APPLE__)
#include <ctype.h>
#include <fcntl.h>
#include <errno.h>

8
target-i386/exec.h
View File

@ -498,7 +498,7 @@ static inline void helper_fstt(CPU86_LDouble f, uint8_t *ptr)
#define FPUC_EM 0x3f
const CPU86_LDouble f15rk[7];
extern const CPU86_LDouble f15rk[7];
void helper_fldt_ST0_A0(void);
void helper_fstt_ST0_A0(void);
@ -528,9 +528,9 @@ void helper_frstor(uint8_t *ptr, int data32);
void restore_native_fp_state(CPUState *env);
void save_native_fp_state(CPUState *env);
const uint8_t parity_table[256];
const uint8_t rclw_table[32];
const uint8_t rclb_table[32];
extern const uint8_t parity_table[256];
extern const uint8_t rclw_table[32];
extern const uint8_t rclb_table[32];
static inline uint32_t compute_eflags(void)
{

19
target-i386/op.c
View File

@ -1955,24 +1955,6 @@ void OPPROTO op_fldcw_A0(void)
int rnd_type;
env->fpuc = lduw((void *)A0);
/* set rounding mode */
#ifdef _BSD
switch(env->fpuc & RC_MASK) {
default:
case RC_NEAR:
rnd_type = FP_RN;
break;
case RC_DOWN:
rnd_type = FP_RM;
break;
case RC_UP:
rnd_type = FP_RP;
break;
case RC_CHOP:
rnd_type = FP_RZ;
break;
}
fpsetround(rnd_type);
#else
switch(env->fpuc & RC_MASK) {
default:
case RC_NEAR:
@ -1989,7 +1971,6 @@ void OPPROTO op_fldcw_A0(void)
break;
}
fesetround(rnd_type);
#endif
}
void OPPROTO op_fclex(void)

12
vl.c
View File

@ -40,7 +40,9 @@
#include <sys/socket.h>
#ifdef _BSD
#include <sys/stat.h>
#ifndef __APPLE__
#include <libutil.h>
#endif
#else
#include <linux/if.h>
#include <linux/if_tun.h>
@ -63,6 +65,7 @@
#endif
#ifdef CONFIG_SDL
#include <SDL/SDL.h>
#if defined(__linux__)
/* SDL use the pthreads and they modify sigaction. We don't
want that. */
@ -909,6 +912,7 @@ static void init_timers(void)
the emulated kernel requested a too high timer frequency */
getitimer(ITIMER_REAL, &itv);
#if defined(__linux__)
if (itv.it_interval.tv_usec > 1000) {
/* try to use /dev/rtc to have a faster timer */
if (start_rtc_timer() < 0)
@ -924,7 +928,9 @@ static void init_timers(void)
sigaction(SIGIO, &act, NULL);
fcntl(rtc_fd, F_SETFL, O_ASYNC);
fcntl(rtc_fd, F_SETOWN, getpid());
} else {
} else
#endif /* defined(__linux__) */
{
use_itimer:
pit_min_timer_count = ((uint64_t)itv.it_interval.tv_usec *
PIT_FREQ) / 1000000;
@ -2622,8 +2628,8 @@ int main(int argc, char **argv)
#ifdef CONFIG_SOFTMMU
#ifdef _BSD
/* mallocs are always aligned on BSD. */
phys_ram_base = malloc(phys_ram_size);
/* mallocs are always aligned on BSD. valloc is better for correctness */
phys_ram_base = valloc(phys_ram_size);
#else
phys_ram_base = memalign(TARGET_PAGE_SIZE, phys_ram_size);
#endif