diff options
| author | Kever Yang | 2017-10-10 16:21:02 +0200 |
|---|---|---|
| committer | Philipp Tomsich | 2017-11-21 23:57:21 +0100 |
| commit | cee7470cd8a386802e38c6bde8ce62fbc8218a86 (patch) | |
| tree | 369b647f007a1774917d9da8aaad828bb3b97c41 /arch | |
| parent | ef70a42f0ffc6b43f719810c4e3861c55c2eefbc (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>
Diffstat (limited to 'arch')
| -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 455d8428d80..f7c614669cf 100644 --- a/arch/arm/include/asm/arch-rockchip/boot0.h +++ b/arch/arm/include/asm/arch-rockchip/boot0.h @@ -6,12 +6,13 @@ /* * 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 @@ -26,6 +27,15 @@ 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 */ |