auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 251 deletions

diff --git a/hw/arm_boot.c b/hw/arm_boot.c
deleted file mode 100644
index 5990961..0000000
--- a/hw/arm_boot.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * ARM kernel loader.
- *
- * Copyright (c) 2006-2007 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licenced under the GPL.
- */
-
-#include "hw.h"
-#include "arm-misc.h"
-#include "sysemu.h"
-
-#define KERNEL_ARGS_ADDR 0x100
-#define KERNEL_LOAD_ADDR 0x00010000
-#define INITRD_LOAD_ADDR 0x00800000
-
-/* The worlds second smallest bootloader.  Set r0-r2, then jump to kernel.  */
-static uint32_t bootloader[] = {
-  0xe3a00000, /* mov     r0, #0 */
-  0xe3a01000, /* mov     r1, #0x?? */
-  0xe3811c00, /* orr     r1, r1, #0x??00 */
-  0xe59f2000, /* ldr     r2, [pc, #0] */
-  0xe59ff000, /* ldr     pc, [pc, #0] */
-  0, /* Address of kernel args.  Set by integratorcp_init.  */
-  0  /* Kernel entry point.  Set by integratorcp_init.  */
-};
-
-/* Entry point for secondary CPUs.  Enable interrupt controller and
-   Issue WFI until start address is written to system controller.  */
-static uint32_t smpboot[] = {
-  0xe3a00201, /* mov     r0, #0x10000000 */
-  0xe3800601, /* orr     r0, r0, #0x001000000 */
-  0xe3a01001, /* mov     r1, #1 */
-  0xe5801100, /* str     r1, [r0, #0x100] */
-  0xe3a00201, /* mov     r0, #0x10000000 */
-  0xe3800030, /* orr     r0, #0x30 */
-  0xe320f003, /* wfi */
-  0xe5901000, /* ldr     r1, [r0] */
-  0xe3110003, /* tst     r1, #3 */
-  0x1afffffb, /* bne     <wfi> */
-  0xe12fff11  /* bx      r1 */
-};
-
-static void main_cpu_reset(void *opaque)
-{
-    CPUState *env = opaque;
-
-    cpu_reset(env);
-    if (env->boot_info)
-        arm_load_kernel(env, env->boot_info);
-
-    /* TODO:  Reset secondary CPUs.  */
-}
-
-static void set_kernel_args(struct arm_boot_info *info,
-                int initrd_size, void *base)
-{
-    uint32_t *p;
-
-    p = (uint32_t *)(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);
-    /* 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);
-    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);
-    }
-    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);
-        cmdline_size = (cmdline_size >> 2) + 1;
-        stl_raw(p++, cmdline_size + 2);
-        stl_raw(p++, 0x54410009);
-        p += cmdline_size;
-    }
-    if (info->atag_board) {
-        /* ATAG_BOARD */
-        int atag_board_len;
-
-        atag_board_len = (info->atag_board(info, p + 2) + 3) >> 2;
-        stl_raw(p++, 2 + atag_board_len);
-        stl_raw(p++, 0x414f4d50);
-        p += atag_board_len;
-    }
-    /* ATAG_END */
-    stl_raw(p++, 0);
-    stl_raw(p++, 0);
-}
-
-static void set_kernel_args_old(struct arm_boot_info *info,
-                int initrd_size, void *base)
-{
-    uint32_t *p;
-    unsigned char *s;
-
-    /* see linux/include/asm-arm/setup.h */
-    p = (uint32_t *)(base + KERNEL_ARGS_ADDR);
-    /* page_size */
-    stl_raw(p++, 4096);
-    /* nr_pages */
-    stl_raw(p++, info->ram_size / 4096);
-    /* ramdisk_size */
-    stl_raw(p++, 0);
-#define FLAG_READONLY	1
-#define FLAG_RDLOAD	4
-#define FLAG_RDPROMPT	8
-    /* flags */
-    stl_raw(p++, FLAG_READONLY | FLAG_RDLOAD | FLAG_RDPROMPT);
-    /* rootdev */
-    stl_raw(p++, (31 << 8) | 0);	/* /dev/mtdblock0 */
-    /* video_num_cols */
-    stl_raw(p++, 0);
-    /* video_num_rows */
-    stl_raw(p++, 0);
-    /* video_x */
-    stl_raw(p++, 0);
-    /* video_y */
-    stl_raw(p++, 0);
-    /* memc_control_reg */
-    stl_raw(p++, 0);
-    /* unsigned char sounddefault */
-    /* unsigned char adfsdrives */
-    /* unsigned char bytes_per_char_h */
-    /* unsigned char bytes_per_char_v */
-    stl_raw(p++, 0);
-    /* pages_in_bank[4] */
-    stl_raw(p++, 0);
-    stl_raw(p++, 0);
-    stl_raw(p++, 0);
-    stl_raw(p++, 0);
-    /* pages_in_vram */
-    stl_raw(p++, 0);
-    /* initrd_start */
-    if (initrd_size)
-        stl_raw(p++, info->loader_start + INITRD_LOAD_ADDR);
-    else
-        stl_raw(p++, 0);
-    /* initrd_size */
-    stl_raw(p++, initrd_size);
-    /* rd_start */
-    stl_raw(p++, 0);
-    /* system_rev */
-    stl_raw(p++, 0);
-    /* system_serial_low */
-    stl_raw(p++, 0);
-    /* system_serial_high */
-    stl_raw(p++, 0);
-    /* mem_fclk_21285 */
-    stl_raw(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);
-}
-
-void arm_load_kernel(CPUState *env, struct arm_boot_info *info)
-{
-    int kernel_size;
-    int initrd_size;
-    int n;
-    int is_linux = 0;
-    uint64_t elf_entry;
-    target_ulong entry;
-    uint32_t pd;
-    void *loader_phys;
-
-    /* Load the kernel.  */
-    if (!info->kernel_filename) {
-        fprintf(stderr, "Kernel image must be specified\n");
-        exit(1);
-    }
-
-    if (!env->boot_info) {
-        if (info->nb_cpus == 0)
-            info->nb_cpus = 1;
-        env->boot_info = info;
-        qemu_register_reset(main_cpu_reset, env);
-    }
-
-    pd = cpu_get_physical_page_desc(info->loader_start);
-    loader_phys = phys_ram_base + (pd & TARGET_PAGE_MASK) +
-            (info->loader_start & ~TARGET_PAGE_MASK);
-
-    /* Assume that raw images are linux kernels, and ELF images are not.  */
-    kernel_size = load_elf(info->kernel_filename, 0, &elf_entry, NULL, NULL);
-    entry = elf_entry;
-    if (kernel_size < 0) {
-        kernel_size = load_uboot(info->kernel_filename, &entry, &is_linux);
-    }
-    if (kernel_size < 0) {
-        kernel_size = load_image(info->kernel_filename,
-                                 loader_phys + KERNEL_LOAD_ADDR);
-        entry = info->loader_start + KERNEL_LOAD_ADDR;
-        is_linux = 1;
-    }
-    if (kernel_size < 0) {
-        fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                info->kernel_filename);
-        exit(1);
-    }
-    if (!is_linux) {
-        /* Jump to the entry point.  */
-        env->regs[15] = entry & 0xfffffffe;
-        env->thumb = entry & 1;
-    } else {
-        if (info->initrd_filename) {
-            initrd_size = load_image(info->initrd_filename,
-                                     loader_phys + INITRD_LOAD_ADDR);
-            if (initrd_size < 0) {
-                fprintf(stderr, "qemu: could not load initrd '%s'\n",
-                        info->initrd_filename);
-                exit(1);
-            }
-        } else {
-            initrd_size = 0;
-        }
-        bootloader[1] |= info->board_id & 0xff;
-        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]);
-        if (old_param)
-            set_kernel_args_old(info, initrd_size, loader_phys);
-        else
-            set_kernel_args(info, initrd_size, loader_phys);
-    }
-}