[src/trunk]: src/sys/arch/riscv/riscv More register use re-org.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/95b6d2416777
branches:  trunk
changeset: 371878:95b6d2416777
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Oct 15 16:58:16 2022 +0000

description:
More register use re-org.

diffstat:

 sys/arch/riscv/riscv/locore.S |  16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diffs (58 lines):

diff -r a30faeb82d6c -r 95b6d2416777 sys/arch/riscv/riscv/locore.S
--- a/sys/arch/riscv/riscv/locore.S     Sat Oct 15 16:34:29 2022 +0000
+++ b/sys/arch/riscv/riscv/locore.S     Sat Oct 15 16:58:16 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.S,v 1.34 2022/10/15 16:34:29 skrll Exp $ */
+/* $NetBSD: locore.S,v 1.35 2022/10/15 16:58:16 skrll Exp $ */
 
 /*-
  * Copyright (c) 2014, 2022 The NetBSD Foundation, Inc.
@@ -90,8 +90,8 @@
        /*
         * The BP only executes from here on.
         */
-       mv      s0, a0                  // copy hartid
-       mv      s1, a1                  // copy dtb PA
+       mv      s10, a0                 // copy hartid
+       mv      s11, a1                 // copy dtb PA
 
        /* set the stack pointer for boot */
        PTR_LA  t0, _C_LABEL(bootstk)
@@ -106,10 +106,10 @@
        VPRINTXNL(a0)
 
        VPRINTS("hart:    ")
-       VPRINTXNL(s0)
+       VPRINTXNL(s10)
 
        VPRINTS("dtb:     ")
-       VPRINTXNL(s1)
+       VPRINTXNL(s11)
 
        /*
         * Calculate the difference between the VA and PA for start and
@@ -262,7 +262,7 @@
        li      s7, PTE_KERN | PTE_R | PTE_W
 
        // DTB physical address
-       mv      s0, s1
+       mv      s0, s11
        srli    s0, s0, SEGSHIFT        // round down to NBSEG, and shift in
        slli    s0, s0, (SEGSHIFT - PGSHIFT + PTE_PPN_SHIFT)    // ... to PPN
        or      s0, s0, s7
@@ -349,13 +349,13 @@
        PTR_S   s8, 0(t0)       /* kern_vtopdiff = start(virt) - start(phys) */
 
 #if notyet
-       mv      a0, s1                  // dtb
+       mv      a0, s11                 // dtb
        call    _C_LABEL(init_mmu)
 #endif
 
        li      t0, VM_MIN_KERNEL_ADDRESS + VM_KERNEL_SIZE
        li      t1, NBSEG - 1
-       and     t1, s1, t1
+       and     t1, s11, t1
        or      t0, t0, t1
 
        /* Set the global pointer */