Moved from bootxx/romcalls.S,v

sys/arch/newsmips/stand/common/romcalls.S

@@ -0,0 +1,138 @@
+/*	$NetBSD: romcalls.S,v 1.2 1999/12/17 07:33:20 tsubai Exp $	*/
+
+/*-
+ * Copyright (C) 1999 Tsubai Masanari.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <mips/asm.h>
+#include <mips/cpuregs.h>
+#include <machine/romcall.h>
+
+	.text
+	.align	2
+	.set	noreorder
+
+	.globl	halt
+halt:
+	addu	sp, sp, -16
+	li	a0, 8		# RB_HALT
+	sw	a0, 0(sp)
+	li	a0, SYS_reboot
+	move	a1, sp
+	syscall
+	nop
+
+	.globl	rom_open
+rom_open:
+	addu	sp, sp, -32
+	sw	ra, 28(sp)
+
+	sw	a0, 16(sp)
+	sw	a1, 20(sp)
+
+	li	a0, SYS_open
+	addu	a1, sp, 16
+	syscall
+	nop
+
+	lw	ra, 28(sp)
+	addu	sp, sp, 32
+	j	ra
+	nop
+
+	.globl	rom_close
+rom_close:
+	addu	sp, sp, -32
+	sw	ra, 28(sp)
+
+	sw	a0, 16(sp)
+
+	li	a0, SYS_close
+	addu	a1, sp, 16
+	syscall
+	nop
+
+	lw	ra, 28(sp)
+	addu	sp, sp, 32
+	j	ra
+	nop
+
+	.globl	rom_read
+rom_read:
+	addu	sp, sp, -32
+	sw	ra, 28(sp)
+
+	sw	a0, 16(sp)
+	sw	a1, 20(sp)
+	sw	a2, 24(sp)
+
+	li	a0, SYS_read
+	addu	a1, sp, 16
+	syscall
+	nop
+
+	lw	ra, 28(sp)
+	addu	sp, sp, 32
+	j	ra
+	nop
+
+	.globl	rom_write
+rom_write:
+	addu	sp, sp, -32
+	sw	ra, 28(sp)
+
+	sw	a0, 16(sp)
+	sw	a1, 20(sp)
+	sw	a2, 24(sp)
+
+	li	a0, SYS_write
+	addu	a1, sp, 16
+	syscall
+	nop
+
+	lw	ra, 28(sp)
+	addu	sp, sp, 32
+	j	ra
+	nop
+
+
+	.globl	rom_lseek
+rom_lseek:
+	addu	sp, sp, -32
+	sw	ra, 28(sp)
+
+	sw	a0, 16(sp)
+	sw	a1, 20(sp)
+	sw	a2, 24(sp)
+
+	li	a0, SYS_lseek
+	addu	a1, sp, 16
+	syscall
+	nop
+
+	lw	ra, 28(sp)
+	addu	sp, sp, 32
+	j	ra
+	nop