diff options
Diffstat (limited to 'hw/cris/boot.c')
-rw-r--r-- | hw/cris/boot.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/hw/cris/boot.c b/hw/cris/boot.c deleted file mode 100644 index 9fa09cf..0000000 --- a/hw/cris/boot.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * CRIS image loading. - * - * Copyright (c) 2010 Edgar E. Iglesias, Axis Communications AB. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "cpu.h" -#include "hw/loader.h" -#include "elf.h" -#include "boot.h" -#include "qemu/cutils.h" -#include "sysemu/reset.h" - -static void main_cpu_reset(void *opaque) -{ - CRISCPU *cpu = opaque; - CPUCRISState *env = &cpu->env; - struct cris_load_info *li; - - li = env->load_info; - - cpu_reset(CPU(cpu)); - - if (!li) { - /* nothing more to do. */ - return; - } - - env->pc = li->entry; - - if (li->image_filename) { - env->regs[8] = 0x56902387; /* RAM boot magic. */ - env->regs[9] = 0x40004000 + li->image_size; - } - - if (li->cmdline) { - /* Let the kernel know we are modifying the cmdline. */ - env->regs[10] = 0x87109563; - env->regs[11] = 0x40000000; - } -} - -static uint64_t translate_kernel_address(void *opaque, uint64_t addr) -{ - return addr - 0x80000000LL; -} - -void cris_load_image(CRISCPU *cpu, struct cris_load_info *li) -{ - CPUCRISState *env = &cpu->env; - uint64_t entry; - int kcmdline_len; - int image_size; - - env->load_info = li; - /* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis - devboard SDK. */ - image_size = load_elf(li->image_filename, NULL, - translate_kernel_address, NULL, - &entry, NULL, NULL, NULL, 0, EM_CRIS, 0, 0); - li->entry = entry; - if (image_size < 0) { - /* Takes a kimage from the axis devboard SDK. */ - image_size = load_image_targphys(li->image_filename, 0x40004000, - li->ram_size); - li->entry = 0x40004000; - } - - if (image_size < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - li->image_filename); - exit(1); - } - - if (li->cmdline && (kcmdline_len = strlen(li->cmdline))) { - if (kcmdline_len > 256) { - fprintf(stderr, "Too long CRIS kernel cmdline (max 256)\n"); - exit(1); - } - pstrcpy_targphys("cmdline", 0x40000000, 256, li->cmdline); - } - qemu_register_reset(main_cpu_reset, cpu); -} |