On Thu, Mar 30, 2023 at 8:36 PM Bin Meng <bm...@tinylab.org> wrote: > > The __bss_start is the source end address hence load its address > directly into register 't2' for optimization. > > Signed-off-by: Bin Meng <bm...@tinylab.org> > --- > > arch/riscv/cpu/start.S | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S > index 4687bca3c9..3c8344c345 100644 > --- a/arch/riscv/cpu/start.S > +++ b/arch/riscv/cpu/start.S > @@ -283,9 +283,7 @@ stack_setup: > beq t0, s4, clear_bss /* skip relocation */ > > mv t1, s4 /* t1 <- scratch for copy_loop */ > - la t3, __bss_start > - sub t3, t3, t0 /* t3 <- __bss_start_ofs */ > - add t2, t0, t3 /* t2 <- source end address */ > + la t2, __bss_start /* t2 <- source end address */ > > copy_loop: > LREG t5, 0(t0) > --
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