static void load_kernel (CPUState *env)
{
int64_t entry, kernel_low, kernel_high;
long kernel_size, initrd_size;
ram_addr_t initrd_offset;
kernel_size = load_elf(loaderparams.kernel_filename, VIRT_TO_PHYS_ADDEND,
(uint64_t *)&entry, (uint64_t *)&kernel_low,
(uint64_t *)&kernel_high);
if (kernel_size >= 0) {
if ((entry & ~0x7fffffffULL) == 0x80000000)
entry = (int32_t)entry;
env->active_tc.PC = entry;
} else {
fprintf(stderr, "qemu: could not load kernel '%s'\n",
loaderparams.kernel_filename);
exit(1);
}
/* load initrd */
initrd_size = 0;
initrd_offset = 0;
if (loaderparams.initrd_filename) {
initrd_size = get_image_size (loaderparams.initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",
loaderparams.initrd_filename);
exit(1);
}
initrd_size = load_image(loaderparams.initrd_filename,
phys_ram_base + initrd_offset);
}
if (initrd_size == (target_ulong) -1) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
loaderparams.initrd_filename);
exit(1);
}
}
/* Store command line. */
if (initrd_size > 0) {
int ret;
ret = sprintf((char *)(phys_ram_base + (16 << 20) - 256),
"rd_start=0x" TARGET_FMT_lx " rd_size=%li ",
PHYS_TO_VIRT((uint32_t)initrd_offset),
initrd_size);
strcpy ((char *)(phys_ram_base + (16 << 20) - 256 + ret),
loaderparams.kernel_cmdline);
}
else {
strcpy ((char *)(phys_ram_base + (16 << 20) - 256),
loaderparams.kernel_cmdline);
}
*(int32_t *)(phys_ram_base + (16 << 20) - 260) = tswap32 (0x12345678);
*(int32_t *)(phys_ram_base + (16 << 20) - 264) = tswap32 (ram_size);
}
static void android_load_kernel(CPUOldState *env, int ram_size, const char *kernel_filename,
const char *kernel_cmdline, const char *initrd_filename)
{
int initrd_size;
ram_addr_t initrd_offset;
uint64_t kernel_entry, kernel_low, kernel_high;
unsigned int cmdline;
/* Load the kernel. */
if (!kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
if (load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND,
(uint64_t *)&kernel_entry, (uint64_t *)&kernel_low,
(uint64_t *)&kernel_high) < 0) {
fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
exit(1);
}
env->active_tc.PC = (int32_t)kernel_entry;
/* load initrd */
initrd_size = 0;
initrd_offset = 0;
if (initrd_filename) {
initrd_size = get_image_size (initrd_filename);
if (initrd_size > 0) {
initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK;
if (initrd_offset + initrd_size > ram_size) {
fprintf(stderr,
"qemu: memory too small for initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
initrd_size = load_image_targphys(initrd_filename,
initrd_offset,
ram_size - initrd_offset);
}
if (initrd_size == (target_ulong) -1) {
fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
initrd_filename);
exit(1);
}
}
/* Store command line in top page of memory
* kernel will copy the command line to a loca buffer
*/
cmdline = ram_size - TARGET_PAGE_SIZE;
char kernel_cmd[1024];
if (initrd_size > 0)
sprintf (kernel_cmd, "%s rd_start=0x" TARGET_FMT_lx " rd_size=%li",
kernel_cmdline,
(hwaddr)PHYS_TO_VIRT(initrd_offset),
(long int)initrd_size);
else
strcpy (kernel_cmd, kernel_cmdline);
cpu_physical_memory_write(ram_size - TARGET_PAGE_SIZE, (void *)kernel_cmd, strlen(kernel_cmd) + 1);
#if 0
if (initrd_size > 0)
sprintf (phys_ram_base+cmdline, "%s rd_start=0x" TARGET_FMT_lx " rd_size=%li",
kernel_cmdline,
PHYS_TO_VIRT(initrd_offset), initrd_size);
else
strcpy (phys_ram_base+cmdline, kernel_cmdline);
#endif
env->active_tc.gpr[4] = PHYS_TO_VIRT(cmdline);/* a0 */
env->active_tc.gpr[5] = ram_size; /* a1 */
env->active_tc.gpr[6] = 0; /* a2 */
env->active_tc.gpr[7] = 0; /* a3 */
}
