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Diffstat (limited to 'hw/arm_boot.c')
-rw-r--r--hw/arm_boot.c149
1 files changed, 82 insertions, 67 deletions
diff --git a/hw/arm_boot.c b/hw/arm_boot.c
index fe17ffc74e..b0456fbe57 100644
--- a/hw/arm_boot.c
+++ b/hw/arm_boot.c
@@ -53,124 +53,135 @@ static void main_cpu_reset(void *opaque)
/* TODO: Reset secondary CPUs. */
}
+#define WRITE_WORD(p, value) do { \
+ stl_phys_notdirty(p, value); \
+ p += 4; \
+} while (0)
+
static void set_kernel_args(struct arm_boot_info *info,
- int initrd_size, void *base)
+ int initrd_size, target_phys_addr_t base)
{
- uint32_t *p;
+ target_phys_addr_t p;
- p = (uint32_t *)(base + KERNEL_ARGS_ADDR);
+ p = base + KERNEL_ARGS_ADDR;
/* ATAG_CORE */
- stl_raw(p++, 5);
- stl_raw(p++, 0x54410001);
- stl_raw(p++, 1);
- stl_raw(p++, 0x1000);
- stl_raw(p++, 0);
+ WRITE_WORD(p, 5);
+ WRITE_WORD(p, 0x54410001);
+ WRITE_WORD(p, 1);
+ WRITE_WORD(p, 0x1000);
+ WRITE_WORD(p, 0);
/* ATAG_MEM */
/* TODO: handle multiple chips on one ATAG list */
- stl_raw(p++, 4);
- stl_raw(p++, 0x54410002);
- stl_raw(p++, info->ram_size);
- stl_raw(p++, info->loader_start);
+ WRITE_WORD(p, 4);
+ WRITE_WORD(p, 0x54410002);
+ WRITE_WORD(p, info->ram_size);
+ WRITE_WORD(p, info->loader_start);
if (initrd_size) {
/* ATAG_INITRD2 */
- stl_raw(p++, 4);
- stl_raw(p++, 0x54420005);
- stl_raw(p++, info->loader_start + INITRD_LOAD_ADDR);
- stl_raw(p++, initrd_size);
+ WRITE_WORD(p, 4);
+ WRITE_WORD(p, 0x54420005);
+ WRITE_WORD(p, info->loader_start + INITRD_LOAD_ADDR);
+ WRITE_WORD(p, initrd_size);
}
if (info->kernel_cmdline && *info->kernel_cmdline) {
/* ATAG_CMDLINE */
int cmdline_size;
cmdline_size = strlen(info->kernel_cmdline);
- memcpy(p + 2, info->kernel_cmdline, cmdline_size + 1);
+ cpu_physical_memory_write(p + 8, (void *)info->kernel_cmdline,
+ cmdline_size + 1);
cmdline_size = (cmdline_size >> 2) + 1;
- stl_raw(p++, cmdline_size + 2);
- stl_raw(p++, 0x54410009);
- p += cmdline_size;
+ WRITE_WORD(p, cmdline_size + 2);
+ WRITE_WORD(p, 0x54410009);
+ p += cmdline_size * 4;
}
if (info->atag_board) {
/* ATAG_BOARD */
int atag_board_len;
+ uint8_t atag_board_buf[0x1000];
- atag_board_len = (info->atag_board(info, p + 2) + 3) >> 2;
- stl_raw(p++, 2 + atag_board_len);
- stl_raw(p++, 0x414f4d50);
+ atag_board_len = (info->atag_board(info, atag_board_buf) + 3) & ~3;
+ WRITE_WORD(p, (atag_board_len + 8) >> 2);
+ WRITE_WORD(p, 0x414f4d50);
+ cpu_physical_memory_write(p, atag_board_buf, atag_board_len);
p += atag_board_len;
}
/* ATAG_END */
- stl_raw(p++, 0);
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
+ WRITE_WORD(p, 0);
}
static void set_kernel_args_old(struct arm_boot_info *info,
- int initrd_size, void *base)
+ int initrd_size, target_phys_addr_t base)
{
- uint32_t *p;
- char *s;
+ target_phys_addr_t p;
+ const char *s;
+
/* see linux/include/asm-arm/setup.h */
- p = (uint32_t *)(base + KERNEL_ARGS_ADDR);
+ p = base + KERNEL_ARGS_ADDR;
/* page_size */
- stl_raw(p++, 4096);
+ WRITE_WORD(p, 4096);
/* nr_pages */
- stl_raw(p++, info->ram_size / 4096);
+ WRITE_WORD(p, info->ram_size / 4096);
/* ramdisk_size */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
#define FLAG_READONLY 1
#define FLAG_RDLOAD 4
#define FLAG_RDPROMPT 8
/* flags */
- stl_raw(p++, FLAG_READONLY | FLAG_RDLOAD | FLAG_RDPROMPT);
+ WRITE_WORD(p, FLAG_READONLY | FLAG_RDLOAD | FLAG_RDPROMPT);
/* rootdev */
- stl_raw(p++, (31 << 8) | 0); /* /dev/mtdblock0 */
+ WRITE_WORD(p, (31 << 8) | 0); /* /dev/mtdblock0 */
/* video_num_cols */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* video_num_rows */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* video_x */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* video_y */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* memc_control_reg */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* unsigned char sounddefault */
/* unsigned char adfsdrives */
/* unsigned char bytes_per_char_h */
/* unsigned char bytes_per_char_v */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* pages_in_bank[4] */
- stl_raw(p++, 0);
- stl_raw(p++, 0);
- stl_raw(p++, 0);
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
+ WRITE_WORD(p, 0);
+ WRITE_WORD(p, 0);
+ WRITE_WORD(p, 0);
/* pages_in_vram */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* initrd_start */
if (initrd_size)
- stl_raw(p++, info->loader_start + INITRD_LOAD_ADDR);
+ WRITE_WORD(p, info->loader_start + INITRD_LOAD_ADDR);
else
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* initrd_size */
- stl_raw(p++, initrd_size);
+ WRITE_WORD(p, initrd_size);
/* rd_start */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* system_rev */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* system_serial_low */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* system_serial_high */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* mem_fclk_21285 */
- stl_raw(p++, 0);
+ WRITE_WORD(p, 0);
/* zero unused fields */
- memset(p, 0, 256 + 1024 -
- (p - ((uint32_t *)(base + KERNEL_ARGS_ADDR))));
- s = base + KERNEL_ARGS_ADDR + 256 + 1024;
- if (info->kernel_cmdline)
- strcpy (s, info->kernel_cmdline);
- else
- stb_raw(s, 0);
+ while (p < base + KERNEL_ARGS_ADDR + 256 + 1024) {
+ WRITE_WORD(p, 0);
+ }
+ s = info->kernel_cmdline;
+ if (s) {
+ cpu_physical_memory_write(p, (void *)s, strlen(s) + 1);
+ } else {
+ WRITE_WORD(p, 0);
+ }
}
void arm_load_kernel(CPUState *env, struct arm_boot_info *info)
@@ -197,6 +208,7 @@ void arm_load_kernel(CPUState *env, struct arm_boot_info *info)
qemu_register_reset(main_cpu_reset, env);
}
+ /* FIXME: We should make load_image take a guest physical address. */
pd = cpu_get_physical_page_desc(info->loader_start);
loader_phys = phys_ram_base + (pd & TARGET_PAGE_MASK) +
(info->loader_start & ~TARGET_PAGE_MASK);
@@ -239,14 +251,17 @@ void arm_load_kernel(CPUState *env, struct arm_boot_info *info)
bootloader[2] |= (info->board_id >> 8) & 0xff;
bootloader[5] = info->loader_start + KERNEL_ARGS_ADDR;
bootloader[6] = entry;
- for (n = 0; n < sizeof(bootloader) / 4; n++)
- stl_raw(loader_phys + (n * 4), bootloader[n]);
- if (info->nb_cpus > 1)
- for (n = 0; n < sizeof(smpboot) / 4; n++)
- stl_raw(loader_phys + info->ram_size + (n * 4), smpboot[n]);
+ for (n = 0; n < sizeof(bootloader) / 4; n++) {
+ stl_phys_notdirty(info->loader_start + (n * 4), bootloader[n]);
+ }
+ if (info->nb_cpus > 1) {
+ for (n = 0; n < sizeof(smpboot) / 4; n++) {
+ stl_phys_notdirty(info->smp_loader_start + (n * 4), smpboot[n]);
+ }
+ }
if (old_param)
- set_kernel_args_old(info, initrd_size, loader_phys);
+ set_kernel_args_old(info, initrd_size, info->loader_start);
else
- set_kernel_args(info, initrd_size, loader_phys);
+ set_kernel_args(info, initrd_size, info->loader_start);
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-20 08:17:30 +0000