diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 2 | ||||
| -rw-r--r-- | linux-user/main.c | 12 | ||||
| -rw-r--r-- | linux-user/mmap.c | 24 |
3 files changed, 10 insertions, 28 deletions
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..b2126c76fa 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) @@ -216,14 +215,14 @@ static abi_ulong mmap_find_vma_reserved(abi_ulong start, abi_ulong size) int prot; int looped = 0; - if (size > RESERVED_VA) { + if (size > reserved_va) { return (abi_ulong)-1; } size = HOST_PAGE_ALIGN(size); end_addr = start + size; - if (end_addr > RESERVED_VA) { - end_addr = RESERVED_VA; + if (end_addr > reserved_va) { + end_addr = reserved_va; } addr = end_addr - qemu_host_page_size; @@ -232,7 +231,7 @@ static abi_ulong mmap_find_vma_reserved(abi_ulong start, abi_ulong size) if (looped) { return (abi_ulong)-1; } - end_addr = RESERVED_VA; + end_addr = reserved_va; addr = end_addr - qemu_host_page_size; looped = 1; continue; @@ -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) { + if (reserved_va) { return mmap_find_vma_reserved(start, size); } -#endif addr = start; wrapped = repeat = 0; @@ -671,7 +667,7 @@ int target_munmap(abi_ulong start, abi_ulong len) ret = 0; /* unmap what we can */ if (real_start < real_end) { - if (RESERVED_VA) { + if (reserved_va) { mmap_reserve(real_start, real_end - real_start); } else { ret = munmap(g2h(real_start), real_end - real_start); @@ -701,7 +697,7 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, flags, g2h(new_addr)); - if (RESERVED_VA && host_addr != MAP_FAILED) { + if (reserved_va && host_addr != MAP_FAILED) { /* If new and old addresses overlap then the above mremap will already have failed with EINVAL. */ mmap_reserve(old_addr, old_size); @@ -719,13 +715,13 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, old_size, new_size, flags | MREMAP_FIXED, g2h(mmap_start)); - if ( RESERVED_VA ) { + if (reserved_va) { mmap_reserve(old_addr, old_size); } } } else { int prot = 0; - if (RESERVED_VA && old_size < new_size) { + if (reserved_va && old_size < new_size) { abi_ulong addr; for (addr = old_addr + old_size; addr < old_addr + new_size; @@ -735,7 +731,7 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size, } if (prot == 0) { host_addr = mremap(g2h(old_addr), old_size, new_size, flags); - if (host_addr != MAP_FAILED && RESERVED_VA && old_size > new_size) { + if (host_addr != MAP_FAILED && reserved_va && old_size > new_size) { mmap_reserve(old_addr + old_size, new_size - old_size); } } else { |