diff options
Diffstat (limited to 'src/arch/riscv/bootblock.S')
| -rw-r--r-- | src/arch/riscv/bootblock.S | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/arch/riscv/bootblock.S b/src/arch/riscv/bootblock.S index c54c0e235c..43bca907bb 100644 --- a/src/arch/riscv/bootblock.S +++ b/src/arch/riscv/bootblock.S @@ -16,6 +16,7 @@ */ #include <arch/encoding.h> +#include <mcall.h> .section ".text._start", "ax", %progbits @@ -30,8 +31,14 @@ _start: # and the stack must be page-aligned. la sp, _estack + # poison the stack + la t1, _stack + li t0, 0xdeadbeef + sd t0, 0(t1) + # make room for HLS and initialize it - addi sp, sp, -64 // MENTRY_FRAME_SIZE + addi sp, sp, -HLS_SIZE + // Once again, the docs and toolchain disagree. // Rather than get fancy I'll just lock this down // until it all stabilizes. @@ -39,11 +46,6 @@ _start: csrr a0, 0xf14 call hls_init - # poison the stack - la t1, _stack - li t0, 0xdeadbeef - sd t0, 0(t1) - la t0, trap_entry csrw mtvec, t0 |