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-rw-r--r--bsd-user/elfload.c2
-rw-r--r--bsd-user/main.c12
-rw-r--r--bsd-user/qemu.h2
-rwxr-xr-xconfigure10
-rw-r--r--include/exec/cpu-all.h5
-rw-r--r--linux-user/elfload.c2
-rw-r--r--linux-user/main.c12
-rw-r--r--linux-user/mmap.c4
-rw-r--r--tcg/aarch64/tcg-target.c8
-rw-r--r--tcg/ia64/tcg-target.c4
-rw-r--r--tcg/ppc/tcg-target.c6
-rw-r--r--tcg/s390/tcg-target.c2
-rw-r--r--tcg/sparc/tcg-target.c6
-rw-r--r--translate-all.c2
14 files changed, 9 insertions, 68 deletions
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index 2bf57eb1fc..d067779273 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -1371,7 +1371,6 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
info->mmap = 0;
elf_entry = (abi_ulong) elf_ex.e_entry;
-#if defined(CONFIG_USE_GUEST_BASE)
/*
* In case where user has not explicitly set the guest_base, we
* probe here that should we set it automatically.
@@ -1392,7 +1391,6 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
}
}
}
-#endif /* CONFIG_USE_GUEST_BASE */
/* Do this so that we can load the interpreter, if need be. We will
change some of these later */
diff --git a/bsd-user/main.c b/bsd-user/main.c
index ee68daa395..f0a1268dda 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -35,12 +35,10 @@
#include "qemu/envlist.h"
int singlestep;
-#if defined(CONFIG_USE_GUEST_BASE)
unsigned long mmap_min_addr;
unsigned long guest_base;
int have_guest_base;
unsigned long reserved_va;
-#endif
static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
const char *qemu_uname_release;
@@ -682,9 +680,7 @@ static void usage(void)
"-drop-ld-preload drop LD_PRELOAD for target process\n"
"-E var=value sets/modifies targets environment variable(s)\n"
"-U var unsets targets environment variable(s)\n"
-#if defined(CONFIG_USE_GUEST_BASE)
"-B address set guest_base address to address\n"
-#endif
"-bsd type select emulated BSD type FreeBSD/NetBSD/OpenBSD (default)\n"
"\n"
"Debug options:\n"
@@ -830,11 +826,9 @@ int main(int argc, char **argv)
#endif
exit(1);
}
-#if defined(CONFIG_USE_GUEST_BASE)
} else if (!strcmp(r, "B")) {
guest_base = strtol(argv[optind++], NULL, 0);
have_guest_base = 1;
-#endif
} else if (!strcmp(r, "drop-ld-preload")) {
(void) envlist_unsetenv(envlist, "LD_PRELOAD");
} else if (!strcmp(r, "bsd")) {
@@ -923,7 +917,6 @@ int main(int argc, char **argv)
target_environ = envlist_to_environ(envlist, NULL);
envlist_free(envlist);
-#if defined(CONFIG_USE_GUEST_BASE)
/*
* Now that page sizes are configured in cpu_init() we can do
* proper page alignment for guest_base.
@@ -950,7 +943,6 @@ int main(int argc, char **argv)
fclose(fp);
}
}
-#endif /* CONFIG_USE_GUEST_BASE */
if (loader_exec(filename, argv+optind, target_environ, regs, info) != 0) {
printf("Error loading %s\n", filename);
@@ -964,9 +956,7 @@ int main(int argc, char **argv)
free(target_environ);
if (qemu_log_enabled()) {
-#if defined(CONFIG_USE_GUEST_BASE)
qemu_log("guest_base 0x%lx\n", guest_base);
-#endif
log_page_dump();
qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
@@ -986,12 +976,10 @@ int main(int argc, char **argv)
syscall_init();
signal_init();
-#if defined(CONFIG_USE_GUEST_BASE)
/* Now that we've loaded the binary, GUEST_BASE is fixed. Delay
generating the prologue until now so that the prologue can take
the real value of GUEST_BASE into account. */
tcg_prologue_init(&tcg_ctx);
-#endif
/* build Task State */
memset(ts, 0, sizeof(TaskState));
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
index 5362297fe1..21cc6023ee 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -101,9 +101,7 @@ typedef struct TaskState {
void init_task_state(TaskState *ts);
extern const char *qemu_uname_release;
-#if defined(CONFIG_USE_GUEST_BASE)
extern unsigned long mmap_min_addr;
-#endif
/* ??? See if we can avoid exposing so much of the loader internals. */
/*
diff --git a/configure b/configure
index cc6ced9c09..9d24d59b19 100755
--- a/configure
+++ b/configure
@@ -293,7 +293,6 @@ cocoa="no"
softmmu="yes"
linux_user="no"
bsd_user="no"
-guest_base="yes"
aix="no"
blobs="yes"
pkgversion=""
@@ -975,10 +974,6 @@ for opt do
;;
--enable-bsd-user) bsd_user="yes"
;;
- --enable-guest-base) guest_base="yes"
- ;;
- --disable-guest-base) guest_base="no"
- ;;
--enable-pie) pie="yes"
;;
--disable-pie) pie="no"
@@ -1314,7 +1309,6 @@ disabled with --disable-FEATURE, default is enabled if available:
user supported user emulation targets
linux-user all linux usermode emulation targets
bsd-user all BSD usermode emulation targets
- guest-base GUEST_BASE support for usermode emulation targets
docs build documentation
guest-agent build the QEMU Guest Agent
guest-agent-msi build guest agent Windows MSI installation package
@@ -4544,7 +4538,6 @@ fi
echo "brlapi support $brlapi"
echo "bluez support $bluez"
echo "Documentation $docs"
-echo "GUEST_BASE $guest_base"
echo "PIE $pie"
echo "vde support $vde"
echo "netmap support $netmap"
@@ -5481,9 +5474,6 @@ fi
if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
echo "TARGET_HAS_BFLT=y" >> $config_target_mak
fi
-if test "$target_user_only" = "yes" -a "$guest_base" = "yes"; then
- echo "CONFIG_USE_GUEST_BASE=y" >> $config_target_mak
-fi
if test "$target_bsd_user" = "yes" ; then
echo "CONFIG_BSD_USER=y" >> $config_target_mak
fi
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index ea6a9a667c..5713929ed3 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -160,16 +160,11 @@ static inline void tswap64s(uint64_t *s)
/* On some host systems the guest address space is reserved on the host.
* This allows the guest address space to be offset to a convenient location.
*/
-#if defined(CONFIG_USE_GUEST_BASE)
extern unsigned long guest_base;
extern int have_guest_base;
extern unsigned long reserved_va;
#define GUEST_BASE guest_base
#define RESERVED_VA reserved_va
-#else
-#define GUEST_BASE 0ul
-#define RESERVED_VA 0ul
-#endif
#define GUEST_ADDR_MAX (RESERVED_VA ? RESERVED_VA : \
(1ul << TARGET_VIRT_ADDR_SPACE_BITS) - 1)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 17883686f0..9c999ac139 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1756,7 +1756,6 @@ static void probe_guest_base(const char *image_name,
* it explicitly, and set guest_base appropriately.
* In case of error we will print a suitable message and exit.
*/
-#if defined(CONFIG_USE_GUEST_BASE)
const char *errmsg;
if (!have_guest_base && !reserved_va) {
unsigned long host_start, real_start, host_size;
@@ -1795,7 +1794,6 @@ static void probe_guest_base(const char *image_name,
exit_errmsg:
fprintf(stderr, "%s: %s\n", image_name, errmsg);
exit(-1);
-#endif
}
diff --git a/linux-user/main.c b/linux-user/main.c
index fdee981351..2c9658e90d 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -43,7 +43,6 @@ int gdbstub_port;
envlist_t *envlist;
static const char *cpu_model;
unsigned long mmap_min_addr;
-#if defined(CONFIG_USE_GUEST_BASE)
unsigned long guest_base;
int have_guest_base;
#if (TARGET_LONG_BITS == 32) && (HOST_LONG_BITS == 64)
@@ -63,7 +62,6 @@ unsigned long reserved_va = 0xf7000000;
#else
unsigned long reserved_va;
#endif
-#endif
static void usage(void);
@@ -3584,7 +3582,6 @@ static void handle_arg_cpu(const char *arg)
}
}
-#if defined(CONFIG_USE_GUEST_BASE)
static void handle_arg_guest_base(const char *arg)
{
guest_base = strtol(arg, NULL, 0);
@@ -3626,7 +3623,6 @@ static void handle_arg_reserved_va(const char *arg)
exit(1);
}
}
-#endif
static void handle_arg_singlestep(const char *arg)
{
@@ -3673,12 +3669,10 @@ static const struct qemu_argument arg_table[] = {
"argv0", "forces target process argv[0] to be 'argv0'"},
{"r", "QEMU_UNAME", true, handle_arg_uname,
"uname", "set qemu uname release string to 'uname'"},
-#if defined(CONFIG_USE_GUEST_BASE)
{"B", "QEMU_GUEST_BASE", true, handle_arg_guest_base,
"address", "set guest_base address to 'address'"},
{"R", "QEMU_RESERVED_VA", true, handle_arg_reserved_va,
"size", "reserve 'size' bytes for guest virtual address space"},
-#endif
{"d", "QEMU_LOG", true, handle_arg_log,
"item[,...]", "enable logging of specified items "
"(use '-d help' for a list of items)"},
@@ -3954,7 +3948,6 @@ int main(int argc, char **argv, char **envp)
target_environ = envlist_to_environ(envlist, NULL);
envlist_free(envlist);
-#if defined(CONFIG_USE_GUEST_BASE)
/*
* Now that page sizes are configured in cpu_init() we can do
* proper page alignment for guest_base.
@@ -3976,7 +3969,6 @@ int main(int argc, char **argv, char **envp)
mmap_next_start = reserved_va;
}
}
-#endif /* CONFIG_USE_GUEST_BASE */
/*
* Read in mmap_min_addr kernel parameter. This value is used
@@ -4050,9 +4042,7 @@ int main(int argc, char **argv, char **envp)
free(target_environ);
if (qemu_log_enabled()) {
-#if defined(CONFIG_USE_GUEST_BASE)
qemu_log("guest_base 0x%lx\n", guest_base);
-#endif
log_page_dump();
qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
@@ -4072,12 +4062,10 @@ int main(int argc, char **argv, char **envp)
syscall_init();
signal_init();
-#if defined(CONFIG_USE_GUEST_BASE)
/* Now that we've loaded the binary, GUEST_BASE is fixed. Delay
generating the prologue until now so that the prologue can take
the real value of GUEST_BASE into account. */
tcg_prologue_init(&tcg_ctx);
-#endif
#if defined(TARGET_I386)
env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 78e1b2df43..88276e77f8 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -206,7 +206,6 @@ abi_ulong mmap_next_start = TASK_UNMAPPED_BASE;
unsigned long last_brk;
-#ifdef CONFIG_USE_GUEST_BASE
/* Subroutine of mmap_find_vma, used when we have pre-allocated a chunk
of guest address space. */
static abi_ulong mmap_find_vma_reserved(abi_ulong start, abi_ulong size)
@@ -253,7 +252,6 @@ static abi_ulong mmap_find_vma_reserved(abi_ulong start, abi_ulong size)
return addr;
}
-#endif
/*
* Find and reserve a free memory area of size 'size'. The search
@@ -276,11 +274,9 @@ abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size)
size = HOST_PAGE_ALIGN(size);
-#ifdef CONFIG_USE_GUEST_BASE
if (RESERVED_VA) {
return mmap_find_vma_reserved(start, size);
}
-#endif
addr = start;
wrapped = repeat = 0;
diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c
index bc3a539836..b0ddcf2f08 100644
--- a/tcg/aarch64/tcg-target.c
+++ b/tcg/aarch64/tcg-target.c
@@ -56,11 +56,7 @@ static const int tcg_target_call_oarg_regs[1] = {
#define TCG_REG_TMP TCG_REG_X30
#ifndef CONFIG_SOFTMMU
-# ifdef CONFIG_USE_GUEST_BASE
-# define TCG_REG_GUEST_BASE TCG_REG_X28
-# else
-# define TCG_REG_GUEST_BASE TCG_REG_XZR
-# endif
+#define TCG_REG_GUEST_BASE TCG_REG_X28
#endif
static inline void reloc_pc26(tcg_insn_unit *code_ptr, tcg_insn_unit *target)
@@ -1809,7 +1805,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_set_frame(s, TCG_REG_SP, TCG_STATIC_CALL_ARGS_SIZE,
CPU_TEMP_BUF_NLONGS * sizeof(long));
-#if defined(CONFIG_USE_GUEST_BASE)
+#if !defined(CONFIG_SOFTMMU)
if (GUEST_BASE) {
tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_GUEST_BASE, GUEST_BASE);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_GUEST_BASE);
diff --git a/tcg/ia64/tcg-target.c b/tcg/ia64/tcg-target.c
index 71e79cfbbc..64b5cb6d97 100644
--- a/tcg/ia64/tcg-target.c
+++ b/tcg/ia64/tcg-target.c
@@ -40,10 +40,8 @@ static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
};
#endif
-#ifdef CONFIG_USE_GUEST_BASE
+#ifndef CONFIG_SOFTMMU
#define TCG_GUEST_BASE_REG TCG_REG_R55
-#else
-#define TCG_GUEST_BASE_REG TCG_REG_R0
#endif
#ifndef GUEST_BASE
#define GUEST_BASE 0
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
index 1672220739..36a97a711c 100644
--- a/tcg/ppc/tcg-target.c
+++ b/tcg/ppc/tcg-target.c
@@ -89,10 +89,8 @@ static bool have_isa_2_06;
#define HAVE_ISA_2_06 have_isa_2_06
#define HAVE_ISEL have_isa_2_06
-#ifdef CONFIG_USE_GUEST_BASE
+#ifndef CONFIG_SOFTMMU
#define TCG_GUEST_BASE_REG 30
-#else
-#define TCG_GUEST_BASE_REG 0
#endif
#ifndef NDEBUG
@@ -1800,7 +1798,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
}
tcg_out_st(s, TCG_TYPE_PTR, TCG_REG_R0, TCG_REG_R1, FRAME_SIZE+LR_OFFSET);
-#ifdef CONFIG_USE_GUEST_BASE
+#ifndef CONFIG_SOFTMMU
if (GUEST_BASE) {
tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, GUEST_BASE);
tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index be51c8b668..2091bebb44 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -51,7 +51,7 @@
/* A scratch register that may be be used throughout the backend. */
#define TCG_TMP0 TCG_REG_R14
-#ifdef CONFIG_USE_GUEST_BASE
+#ifndef CONFIG_SOFTMMU
#define TCG_GUEST_BASE_REG TCG_REG_R13
#else
#define TCG_GUEST_BASE_REG TCG_REG_R0
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index 87f9bcca4b..b573e0da19 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -83,10 +83,8 @@ static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
#define TCG_REG_T1 TCG_REG_G1
#define TCG_REG_T2 TCG_REG_O7
-#ifdef CONFIG_USE_GUEST_BASE
+#ifndef CONFIG_SOFTMMU
# define TCG_GUEST_BASE_REG TCG_REG_I5
-#else
-# define TCG_GUEST_BASE_REG TCG_REG_G0
#endif
static const int tcg_target_reg_alloc_order[] = {
@@ -955,7 +953,7 @@ static void tcg_target_qemu_prologue(TCGContext *s)
tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) |
INSN_IMM13(-frame_size));
-#ifdef CONFIG_USE_GUEST_BASE
+#ifndef CONFIG_SOFTMMU
if (GUEST_BASE != 0) {
tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, GUEST_BASE);
tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
diff --git a/translate-all.c b/translate-all.c
index 9c46ffa0e3..2a40530bba 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -688,7 +688,7 @@ void tcg_exec_init(unsigned long tb_size)
tcg_ctx.code_gen_ptr = tcg_ctx.code_gen_buffer;
tcg_register_jit(tcg_ctx.code_gen_buffer, tcg_ctx.code_gen_buffer_size);
page_init();
-#if !defined(CONFIG_USER_ONLY) || !defined(CONFIG_USE_GUEST_BASE)
+#if defined(CONFIG_SOFTMMU)
/* There's no guest base to take into account, so go ahead and
initialize the prologue now. */
tcg_prologue_init(&tcg_ctx);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-25 12:49:43 +0000