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x86: Support a 64-bit ramdisk address

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Add some missing pieces to bootparams so that a 64-bit ramdisk address
can be used. Tidy up the logging while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2025-03-15 14:25:56 +00:00 • committed by Tom Rini
parent 15ca25e31e
commit c4af65b3ba
2 changed files with 21 additions and 6 deletions
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15
arch/x86/include/asm/bootparam.h
View file

@ -122,6 +122,14 @@ struct efi_info {
__u32 efi_memmap_hi;
};
/* Gleaned from OFW's set-parameters in cpu/x86/pc/linux.fth */
struct olpc_ofw_header {
__u32 ofw_magic; /* OFW signature */
__u32 ofw_version;
__u32 cif_handler; /* callback into OFW */
__u32 irq_desc_table;
} __attribute__((packed));
/* The so-called "zeropage" */
struct boot_params {
struct screen_info screen_info; /* 0x000 */
@ -134,7 +142,12 @@ struct boot_params {
__u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
__u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
struct sys_desc_table sys_desc_table; /* 0x0a0 */
__u8 _pad4[144]; /* 0x0b0 */
struct olpc_ofw_header olpc_ofw_header; /* 0x0b0 */
__u32 ext_ramdisk_image; /* 0x0c0 */
__u32 ext_ramdisk_size; /* 0x0c4 */
__u32 ext_cmd_line_ptr; /* 0x0c8 */
__u8 _pad4[112]; /* 0x0cc */
__u32 cc_blob_address; /* 0x13c */
struct edid_info edid_info; /* 0x140 */
struct efi_info efi_info; /* 0x1c0 */
__u32 alt_mem_k; /* 0x1e0 */

12
arch/x86/lib/zimage.c
View file

@ -222,7 +222,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
else
*load_addressp = ZIMAGE_LOAD_ADDR;
printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base);
printf("Building boot_params at %lx\n", (ulong)setup_base);
memset(setup_base, 0, sizeof(*setup_base));
setup_base->hdr = params->hdr;
@ -298,10 +298,13 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
hdr->type_of_loader = 0x80; /* U-Boot version 0 */
if (initrd_addr) {
printf("Initial RAM disk at linear address "
"0x%08lx, size %ld bytes\n",
initrd_addr, initrd_size);
"%lx, size %lx (%ld bytes)\n",
initrd_addr, initrd_size, initrd_size);
hdr->ramdisk_image = initrd_addr;
setup_base->ext_ramdisk_image = 0;
setup_base->ext_ramdisk_size = 0;
setup_base->ext_cmd_line_ptr = 0;
hdr->ramdisk_size = initrd_size;
}
}
@ -372,8 +375,7 @@ int zboot_load(struct bootm_info *bmi)
struct boot_params *from = (struct boot_params *)bmi->base_ptr;
base_ptr = (struct boot_params *)DEFAULT_SETUP_BASE;
log_debug("Building boot_params at 0x%8.8lx\n",
(ulong)base_ptr);
log_debug("Building boot_params at %lx\n", (ulong)base_ptr);
memset(base_ptr, '\0', sizeof(*base_ptr));
base_ptr->hdr = from->hdr;
} else {