Mercurial > ecos
changeset 155:70a4cc6d69d2
2001-02-27 Chris Morrow <cmorrow@YottaYotta.com>
* src/vectors.S (hal_zero_bss): Oops, allow for bss being multiple
of block size. And add delay slot.
| author | jlarmour |
|---|---|
| date | Tue, 27 Feb 2001 18:24:56 +0000 |
| parents | e2d866e32dac |
| children | b939e9cada46 |
| files | packages/hal/mips/arch/current/ChangeLog packages/hal/mips/arch/current/src/vectors.S |
| diffstat | 2 files changed, 12 insertions(+), 1 deletions(-) [+] |
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--- a/packages/hal/mips/arch/current/ChangeLog +++ b/packages/hal/mips/arch/current/ChangeLog @@ -1,3 +1,8 @@ +2001-02-27 Chris Morrow <cmorrow@YottaYotta.com> + + * src/vectors.S (hal_zero_bss): Oops, allow for bss being multiple + of block size. And add delay slot. + 2001-02-26 Chris Morrow <cmorrow@YottaYotta.com> * src/vectors.S (hal_zero_bss): Implemented in assembler for speed.
--- a/packages/hal/mips/arch/current/src/vectors.S +++ b/packages/hal/mips/arch/current/src/vectors.S @@ -803,12 +803,18 @@ 2: STORE_OP zero,(mips_regsi bne a3,a0,2b # to next store nop + # If length is a multiple of block size then we + # are done and need to skip the byte loop + beq a1,a0,3f + nop + # finish 1 byte at a time 1: sb zero,0(a0) # zero memory addiu a0,a0,1 # next addr bne a0,a1,1b # to next store nop - jr ra +3: jr ra + nop FUNC_END(hal_zero_bss)