@@ -133,9 +133,9 @@ static void mb_add_mod(MultibootState *s,
p = (char *)s->mb_buf + s->offset_mbinfo + MB_MOD_SIZE * s->mb_mods_count;
- stl_p(p + MB_MOD_START, start);
- stl_p(p + MB_MOD_END, end);
- stl_p(p + MB_MOD_CMDLINE, cmdline_phys);
+ stl_le_p(p + MB_MOD_START, start);
+ stl_le_p(p + MB_MOD_END, end);
+ stl_le_p(p + MB_MOD_CMDLINE, cmdline_phys);
mb_debug("mod%02d: "HWADDR_FMT_plx" - "HWADDR_FMT_plx,
s->mb_mods_count, start, end);
@@ -168,9 +168,9 @@ int load_multiboot(X86MachineState *x86ms,
/* Ok, let's see if it is a multiboot image.
The header is 12x32bit long, so the latest entry may be 8192 - 48. */
for (i = 0; i < (8192 - 48); i += 4) {
- if (ldl_p(header+i) == 0x1BADB002) {
- uint32_t checksum = ldl_p(header+i+8);
- flags = ldl_p(header+i+4);
+ if (ldl_le_p(header + i) == 0x1BADB002) {
+ uint32_t checksum = ldl_le_p(header + i + 8);
+ flags = ldl_le_p(header + i + 4);
checksum += flags;
checksum += (uint32_t)0x1BADB002;
if (!checksum) {
@@ -223,11 +223,11 @@ int load_multiboot(X86MachineState *x86ms,
mb_kernel_size, (size_t)mh_entry_addr);
} else {
/* Valid if mh_flags sets MULTIBOOT_HEADER_HAS_ADDR. */
- uint32_t mh_header_addr = ldl_p(header+i+12);
- uint32_t mh_load_end_addr = ldl_p(header+i+20);
- uint32_t mh_bss_end_addr = ldl_p(header+i+24);
+ uint32_t mh_header_addr = ldl_le_p(header + i + 12);
+ uint32_t mh_load_end_addr = ldl_le_p(header + i + 20);
+ uint32_t mh_bss_end_addr = ldl_le_p(header + i + 24);
- mh_load_addr = ldl_p(header+i+16);
+ mh_load_addr = ldl_le_p(header + i + 16);
if (mh_header_addr < mh_load_addr) {
error_report("invalid load_addr address");
exit(1);
@@ -239,7 +239,7 @@ int load_multiboot(X86MachineState *x86ms,
uint32_t mb_kernel_text_offset = i - (mh_header_addr - mh_load_addr);
uint32_t mb_load_size = 0;
- mh_entry_addr = ldl_p(header+i+28);
+ mh_entry_addr = ldl_le_p(header + i + 28);
if (mh_load_end_addr) {
if (mh_load_end_addr < mh_load_addr) {
@@ -364,22 +364,21 @@ int load_multiboot(X86MachineState *x86ms,
/* Commandline support */
kcmdline = g_strdup_printf("%s %s", kernel_filename, kernel_cmdline);
- stl_p(bootinfo + MBI_CMDLINE, mb_add_cmdline(&mbs, kcmdline));
-
- stl_p(bootinfo + MBI_BOOTLOADER, mb_add_bootloader(&mbs, bootloader_name));
-
- stl_p(bootinfo + MBI_MODS_ADDR, mbs.mb_buf_phys + mbs.offset_mbinfo);
- stl_p(bootinfo + MBI_MODS_COUNT, mbs.mb_mods_count); /* mods_count */
+ stl_le_p(bootinfo + MBI_CMDLINE, mb_add_cmdline(&mbs, kcmdline));
+ stl_le_p(bootinfo + MBI_BOOTLOADER, mb_add_bootloader(&mbs,
+ bootloader_name));
+ stl_le_p(bootinfo + MBI_MODS_ADDR, mbs.mb_buf_phys + mbs.offset_mbinfo);
+ stl_le_p(bootinfo + MBI_MODS_COUNT, mbs.mb_mods_count); /* mods_count */
/* the kernel is where we want it to be now */
- stl_p(bootinfo + MBI_FLAGS, MULTIBOOT_FLAGS_MEMORY
+ stl_le_p(bootinfo + MBI_FLAGS, MULTIBOOT_FLAGS_MEMORY
| MULTIBOOT_FLAGS_BOOT_DEVICE
| MULTIBOOT_FLAGS_CMDLINE
| MULTIBOOT_FLAGS_MODULES
| MULTIBOOT_FLAGS_MMAP
| MULTIBOOT_FLAGS_BOOTLOADER);
- stl_p(bootinfo + MBI_BOOT_DEVICE, 0x8000ffff); /* XXX: use the -boot switch? */
- stl_p(bootinfo + MBI_MMAP_ADDR, ADDR_E820_MAP);
+ stl_le_p(bootinfo + MBI_BOOT_DEVICE, 0x8000ffff); /* XXX: use the -boot switch? */
+ stl_le_p(bootinfo + MBI_MMAP_ADDR, ADDR_E820_MAP);
mb_debug("multiboot: entry_addr = %#x", mh_entry_addr);
mb_debug(" mb_buf_phys = "HWADDR_FMT_plx, mbs.mb_buf_phys);
@@ -586,7 +586,7 @@ static bool load_elfboot(const char *kernel_filename,
uint64_t elf_low, elf_high;
int kernel_size;
- if (ldl_p(header) != 0x464c457f) {
+ if (ldl_le_p(header) != 0x464c457f) {
return false; /* no elfboot */
}
@@ -669,8 +669,8 @@ void x86_load_linux(X86MachineState *x86ms,
* kernel protocol version.
* Please see https://www.kernel.org/doc/Documentation/x86/boot.txt
*/
- if (ldl_p(header + 0x202) == 0x53726448) /* Magic signature "HdrS" */ {
- protocol = lduw_p(header + 0x206);
+ if (ldl_le_p(header + 0x202) == 0x53726448) /* Magic signature "HdrS" */ {
+ protocol = lduw_le_p(header + 0x206);
} else {
/*
* This could be a multiboot kernel. If it is, let's stop treating it
@@ -762,7 +762,7 @@ void x86_load_linux(X86MachineState *x86ms,
/* highest address for loading the initrd */
if (protocol >= 0x20c &&
- lduw_p(header + 0x236) & XLF_CAN_BE_LOADED_ABOVE_4G) {
+ lduw_le_p(header + 0x236) & XLF_CAN_BE_LOADED_ABOVE_4G) {
/*
* Linux has supported initrd up to 4 GB for a very long time (2007,
* long before XLF_CAN_BE_LOADED_ABOVE_4G which was added in 2013),
@@ -781,7 +781,7 @@ void x86_load_linux(X86MachineState *x86ms,
*/
initrd_max = UINT32_MAX;
} else if (protocol >= 0x203) {
- initrd_max = ldl_p(header + 0x22c);
+ initrd_max = ldl_le_p(header + 0x22c);
} else {
initrd_max = 0x37ffffff;
}
@@ -797,10 +797,10 @@ void x86_load_linux(X86MachineState *x86ms,
sev_load_ctx.cmdline_size = strlen(kernel_cmdline) + 1;
if (protocol >= 0x202) {
- stl_p(header + 0x228, cmdline_addr);
+ stl_le_p(header + 0x228, cmdline_addr);
} else {
- stw_p(header + 0x20, 0xA33F);
- stw_p(header + 0x22, cmdline_addr - real_addr);
+ stw_le_p(header + 0x20, 0xA33F);
+ stw_le_p(header + 0x22, cmdline_addr - real_addr);
}
/* handle vga= parameter */
@@ -824,7 +824,7 @@ void x86_load_linux(X86MachineState *x86ms,
exit(1);
}
}
- stw_p(header + 0x1fa, video_mode);
+ stw_le_p(header + 0x1fa, video_mode);
}
/* loader type */
@@ -839,7 +839,7 @@ void x86_load_linux(X86MachineState *x86ms,
/* heap */
if (protocol >= 0x201) {
header[0x211] |= 0x80; /* CAN_USE_HEAP */
- stw_p(header + 0x224, cmdline_addr - real_addr - 0x200);
+ stw_le_p(header + 0x224, cmdline_addr - real_addr - 0x200);
}
/* load initrd */
@@ -879,8 +879,8 @@ void x86_load_linux(X86MachineState *x86ms,
sev_load_ctx.initrd_data = initrd_data;
sev_load_ctx.initrd_size = initrd_size;
- stl_p(header + 0x218, initrd_addr);
- stl_p(header + 0x21c, initrd_size);
+ stl_le_p(header + 0x218, initrd_addr);
+ stl_le_p(header + 0x21c, initrd_size);
}
/* load kernel and setup */
@@ -926,7 +926,7 @@ void x86_load_linux(X86MachineState *x86ms,
kernel_size = setup_data_offset + sizeof(struct setup_data) + dtb_size;
kernel = g_realloc(kernel, kernel_size);
- stq_p(header + 0x250, prot_addr + setup_data_offset);
+ stq_le_p(header + 0x250, prot_addr + setup_data_offset);
setup_data = (struct setup_data *)(kernel + setup_data_offset);
setup_data->next = 0;
The x86 architecture uses little endianness. Directly use the little-endian LD/ST API. Mechanical change using: $ end=le; \ for acc in uw w l q tul; do \ sed -i -e "s/ld${acc}_p(/ld${acc}_${end}_p(/" \ -e "s/st${acc}_p(/st${acc}_${end}_p(/" \ $(git grep -wlE '(ld|st)t?u?[wlq]_p' hw/i386/); \ done Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20241004163042.85922-9-philmd@linaro.org> --- hw/i386/multiboot.c | 39 +++++++++++++++++++-------------------- hw/i386/x86-common.c | 26 +++++++++++++------------- 2 files changed, 32 insertions(+), 33 deletions(-)