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make tile 0 be the only tile clearing .bss #8

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make tile 0 be the only tile clearing .bss #8

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6 changes: 5 additions & 1 deletion targets/magia_v2/src/crt0.S
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,17 @@ _start:
csrrs zero, mie, t0

# clear the bss segment
csrr t2, mhartid
bnez t2, skip_bss_clear
la t0, _bss_start
la t1, _bss_end
1:
sw zero, 0(t0)
addi t0, t0, 4
bltu t0, t1, 1b

skip_bss_clear:

/* Stack initialization */
la x2, stack

Expand Down Expand Up @@ -71,7 +75,7 @@ _fini:
ret

exit:
csrr a0, mhartid
csrr a0, mhartid
andi s0, s0, 0x7ff
li a1, 0xCCff0000
li a2, 0x800
Expand Down