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Re: [Qemu-devel] [PATCH] arm: allow machine IDs > 0xffff
From: |
Grant Likely |
Subject: |
Re: [Qemu-devel] [PATCH] arm: allow machine IDs > 0xffff |
Date: |
Fri, 20 Jan 2012 13:43:36 -0700 |
On Fri, Jan 20, 2012 at 11:43 AM, Grant Likely
<address@hidden> wrote:
> From: Jeremy Kerr <address@hidden>
>
> Signed-off-by: Jeremy Kerr <address@hidden>
> Cc: Paul Brook <address@hidden>
> Cc: Peter Maydell <address@hidden>
> Cc: Rob Herring <address@hidden>
> Signed-off-by: Grant Likely <address@hidden>
Oops, this one won't apply directly since it's build on top of another
patch. I'll repost a clean version soon.
g.
> ---
> hw/arm_boot.c | 11 +++++------
> 1 files changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/hw/arm_boot.c b/hw/arm_boot.c
> index de8f1a4..f2b7332 100644
> --- a/hw/arm_boot.c
> +++ b/hw/arm_boot.c
> @@ -26,10 +26,10 @@
> /* 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] */
> + 0xe59f1004, /* ldr r1, [pc, #4] */
> + 0xe59f2004, /* ldr r2, [pc, #4] */
> + 0xe59ff004, /* ldr pc, [pc, #4] */
> + 0, /* Machine ID */
> 0, /* Address of kernel args. Set by integratorcp_init. */
> 0 /* Kernel entry point. Set by integratorcp_init. */
> };
> @@ -327,8 +327,7 @@ void arm_load_kernel(CPUState *env, struct arm_boot_info
> *info)
> } else {
> initrd_size = 0;
> }
> - bootloader[1] |= info->board_id & 0xff;
> - bootloader[2] |= (info->board_id >> 8) & 0xff;
> + bootloader[4] = info->board_id;
> /* for device tree boot, we pass the DTB directly in r2. Otherwise
> * we point to the kernel args */
> if (info->dtb_filename)
> --
> 1.7.5.4
>
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.