diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-07-26 07:59:27 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2019-07-26 08:00:48 +0200 |
commit | 0ee2125a9268c8480f6995a789f30a85ff4831a5 (patch) | |
tree | b569594b8cade2f0b0aa4226d6762a998d2c66fb /bsps/arm/shared/start/start.S | |
parent | bsps/arm: Remove register init for ARMv7-M (diff) | |
download | rtems-0ee2125a9268c8480f6995a789f30a85ff4831a5.tar.bz2 |
bsps/arm: Move register init to start.S
This makes it easier to review changes in start.S.
Update #3773.
Diffstat (limited to 'bsps/arm/shared/start/start.S')
-rw-r--r-- | bsps/arm/shared/start/start.S | 59 |
1 files changed, 55 insertions, 4 deletions
diff --git a/bsps/arm/shared/start/start.S b/bsps/arm/shared/start/start.S index a7fd7eda62..1f6d38f564 100644 --- a/bsps/arm/shared/start/start.S +++ b/bsps/arm/shared/start/start.S @@ -146,7 +146,20 @@ _start: mov r5, r1 /* machine type number or ~0 for DT boot */ mov r6, r2 /* physical address of ATAGs or DTB */ #else /* BSP_START_NEEDS_REGISTER_INITIALIZATION */ - bl bsp_start_init_registers_core + mov r0, #0 + mov r1, #0 + mov r2, #0 + mov r3, #0 + mov r4, #0 + mov r5, #0 + mov r6, #0 + mov r7, #0 + mov r8, #0 + mov r9, #0 + mov r10, #0 + mov r11, #0 + mov r12, #0 + mov r13, #0 #endif #ifdef RTEMS_SMP @@ -204,7 +217,11 @@ _start: sub r3, r3, r1 #ifdef BSP_START_NEEDS_REGISTER_INITIALIZATION - bl bsp_start_init_registers_banked_fiq + mov r8, #0 + mov r9, #0 + mov r10, #0 + mov r11, #0 + mov r12, #0 #endif /* Enter ABT mode and set up the ABT stack pointer */ @@ -271,8 +288,42 @@ _start: vmsr FPEXC, r0 #ifdef BSP_START_NEEDS_REGISTER_INITIALIZATION - bl bsp_start_init_registers_vfp -#endif + mov r0, #0 + vmov d0, r0, r0 + vmov d1, r0, r0 + vmov d2, r0, r0 + vmov d3, r0, r0 + vmov d4, r0, r0 + vmov d5, r0, r0 + vmov d6, r0, r0 + vmov d7, r0, r0 + vmov d8, r0, r0 + vmov d9, r0, r0 + vmov d10, r0, r0 + vmov d11, r0, r0 + vmov d12, r0, r0 + vmov d13, r0, r0 + vmov d14, r0, r0 + vmov d15, r0, r0 +#ifdef ARM_MULTILIB_VFP_D32 + vmov d16, r0, r0 + vmov d17, r0, r0 + vmov d18, r0, r0 + vmov d19, r0, r0 + vmov d20, r0, r0 + vmov d21, r0, r0 + vmov d22, r0, r0 + vmov d23, r0, r0 + vmov d24, r0, r0 + vmov d25, r0, r0 + vmov d26, r0, r0 + vmov d27, r0, r0 + vmov d28, r0, r0 + vmov d29, r0, r0 + vmov d30, r0, r0 + vmov d31, r0, r0 +#endif /* ARM_MULTILIB_VFP_D32 */ +#endif /* BSP_START_NEEDS_REGISTER_INITIALIZATION */ #endif /* ARM_MULTILIB_VFP */ |