From 526b9ce0793ab6b1a2c11e19066d9400ea77f742 Mon Sep 17 00:00:00 2001 From: Xiang W Date: Mon, 4 Mar 2024 20:15:52 +0800 Subject: [PATCH] firmware: fw_base.S: fix _reset_regs a3 and a4 cannot be reset because used in fw_platform_init. Signed-off-by: Xiang W Reviewed-by: Anup Patel --- firmware/fw_base.S | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/firmware/fw_base.S b/firmware/fw_base.S index d83397ec..126b067f 100644 --- a/firmware/fw_base.S +++ b/firmware/fw_base.S @@ -167,7 +167,7 @@ _relocate_done: /* At this point we are running from link address */ - /* Reset all registers except ra, a0, a1 and a2 for boot HART */ + /* Reset all registers except ra, a0, a1, a2, a3 and a4 for boot HART */ li ra, 0 call _reset_regs @@ -394,7 +394,7 @@ _wait_for_boot_hart: bne t0, t1, _wait_for_boot_hart _start_warm: - /* Reset all registers except ra, a0, a1 and a2 for non-boot HARTs */ + /* Reset all registers except ra, a0, a1, a2, a3 and a4 for non-boot HART */ li ra, 0 call _reset_regs @@ -745,7 +745,7 @@ _reset_regs: /* flush the instruction cache */ fence.i - /* Reset all registers except ra, a0, a1 and a2 */ + /* Reset all registers except ra, a0, a1, a2, a3 and a4 */ li sp, 0 li gp, 0 li tp, 0 @@ -754,8 +754,6 @@ _reset_regs: li t2, 0 li s0, 0 li s1, 0 - li a3, 0 - li a4, 0 li a5, 0 li a6, 0 li a7, 0