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bsp/riscv: Use memset() to clear .bss

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Update #3433.
This commit is contained in:
Sebastian Huber
2018-06-22 11:14:07 +02:00
parent 52f4fb65b3
commit b0ee7894d7
1 changed files with 5 additions and 10 deletions
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15
bsps/riscv/riscv/start/start.S
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@@ -52,16 +52,11 @@ SYM(_start):
/* load stack and frame pointers */
la sp, _Configuration_Interrupt_stack_area_end
/* Clearing .bss */
la t0, bsp_section_bss_begin
la t1, bsp_section_bss_end
_loop_clear_bss:
bge t0, t1, _end_clear_bss
SREG x0, 0(t0)
addi t0, t0, CPU_SIZEOF_POINTER
j _loop_clear_bss
_end_clear_bss:
/* Clear .bss */
la a0, bsp_section_bss_begin
li a1, 0
la a2, bsp_section_bss_size
call memset
/* Init FPU unit if it's there */
li t0, MSTATUS_FS