diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2017-05-31 18:50:37 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-11-01 23:20:53 +0100 |
| commit | f784a6a93be8fdb0866bde3d81ea735316bbb6d8 (patch) | |
| tree | 20bec52de6acde432ca101cc1e333f9e6da08faa | |
| parent | ee14ee242290da6d59b7820a534b5735ccbac6a2 (diff) | |
rockchip: boot0: align to 0x20 for armv7 '_start'
The '_start' is using as vector table base address, and will write
to VBAR register, so it needs to be aligned to 0x20 for armv7.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
[Updated to current code base:]
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/boot0.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/boot0.h b/arch/arm/include/asm/arch-rockchip/boot0.h index 72d264bcbe..5a1807362f 100644 --- a/arch/arm/include/asm/arch-rockchip/boot0.h +++ b/arch/arm/include/asm/arch-rockchip/boot0.h @@ -7,12 +7,13 @@ /* * Execution starts on the instruction following this 4-byte header - * (containing the magic 'RK33'). + * (containing the magic 'RK30', 'RK31', 'RK32' or 'RK33'). This + * magic constant will be written into the final image by the rkimage + * tool, but we need to reserve space for it here. * * To make life easier for everyone, we build the SPL binary with * space for this 4-byte header already included in the binary. */ - #ifdef CONFIG_SPL_BUILD /* * We need to add 4 bytes of space for the 'RK33' at the @@ -27,6 +28,15 @@ b reset /* may be overwritten --- should be 'nop' or a 'b reset' */ #endif b reset +#if !defined(CONFIG_ARM64) + /* + * For armv7, the addr '_start' will used as vector start address + * and write to VBAR register, which needs to aligned to 0x20. + */ + .align(5) +_start: + ARM_VECTORS +#endif #if defined(CONFIG_ROCKCHIP_RK3399) && defined(CONFIG_SPL_BUILD) .space CONFIG_ROCKCHIP_SPL_RESERVE_IRAM /* space for the ATF data */ |