motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 23:33:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

ARMv7 support.

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3572 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2007-11-11 00:04:49 +00:00
parent ee4e83ed8d
commit 9ee6e8bb85
35 changed files with 11799 additions and 653 deletions
Download patch file Download diff file Expand all files Collapse all files

22
hw/arm_boot.c
View file

@ -1,7 +1,7 @@
/*
* ARM kernel loader.
*
* Copyright (c) 2006 CodeSourcery.
* Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
*
* This code is licenced under the GPL.
@ -24,6 +24,22 @@ static uint32_t bootloader[] = {
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;
@ -33,6 +49,8 @@ static void main_cpu_reset(void *opaque)
arm_load_kernel(env, env->ram_size, env->kernel_filename,
env->kernel_cmdline, env->initrd_filename,
env->board_id, env->loader_start);
/* TODO: Reset secondary CPUs. */
}
static void set_kernel_args(uint32_t ram_size, int initrd_size,
@ -211,6 +229,8 @@ void arm_load_kernel(CPUState *env, int ram_size, const char *kernel_filename,
bootloader[6] = entry;
for (n = 0; n < sizeof(bootloader) / 4; n++)
stl_raw(phys_ram_base + (n * 4), bootloader[n]);
for (n = 0; n < sizeof(smpboot) / 4; n++)
stl_raw(phys_ram_base + ram_size + (n * 4), smpboot[n]);
if (old_param)
set_kernel_args_old(ram_size, initrd_size,
kernel_cmdline, loader_start);