4 * Copyright (c) 2010 Edgar E. Iglesias, Axis Communications AB.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 #include "cris-boot.h"
30 static void main_cpu_reset(void *opaque)
32 CPUState *env = opaque;
33 struct cris_load_info *li;
40 /* nothing more to do. */
46 if (li->image_filename) {
47 env->regs[8] = 0x56902387; /* RAM boot magic. */
48 env->regs[9] = 0x40004000 + li->image_size;
52 /* Let the kernel know we are modifying the cmdline. */
53 env->regs[10] = 0x87109563;
54 env->regs[11] = 0x40000000;
58 static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
60 return addr - 0x80000000LL;
63 void cris_load_image(CPUState *env, struct cris_load_info *li)
70 /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis
72 image_size = load_elf(li->image_filename, translate_kernel_address, NULL,
73 &entry, NULL, &high, 0, ELF_MACHINE, 0);
76 /* Takes a kimage from the axis devboard SDK. */
77 image_size = load_image_targphys(li->image_filename, 0x40004000,
79 li->entry = 0x40004000;
83 fprintf(stderr, "qemu: could not load kernel '%s'\n",
88 if (li->cmdline && (kcmdline_len = strlen(li->cmdline))) {
89 if (kcmdline_len > 256) {
90 fprintf(stderr, "Too long CRIS kernel cmdline (max 256)\n");
93 pstrcpy_targphys("cmdline", 0x40000000, 256, li->cmdline);
95 qemu_register_reset(main_cpu_reset, env);