Laptop Advanced Power Management support by HOSOKAWA Tatsumi.

Submitted by:	HOSOKAWA Tatsumi

1 files changed, 126 insertions, 0 deletions

diff --git a/sys/i386/apm/apm_setup.s b/sys/i386/apm/apm_setup.s
new file mode 100644
index 0000000..df1e9c9
--- /dev/null
+++ b/sys/i386/apm/apm_setup.s
@@ -0,0 +1,126 @@
+/*
+ * LP (Laptop Package)
+ *
+ * Copyright (C) 1994 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
+ *
+ * This software may be used, modified, copied, distributed, and sold,
+ * in both source and binary form provided that the above copyright and
+ * these terms are retained. Under no circumstances is the author 
+ * responsible for the proper functioning of this software, nor does 
+ * the author assume any responsibility for damages incurred with its 
+ * use.
+ *
+ * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
+ */
+
+#ifdef APM
+
+#define ASM
+
+#include <machine/asmacros.h>
+#include "assym.s"
+#include <machine/apm_bios.h>
+
+	.file	"apm_setup.s"
+
+	.text
+
+	/* void call_apm(union real_regs *); */
+_call_apm:
+	.globl	_call_apm
+	pushl	%ebp
+	movl	%esp, %ebp
+	pushl	%esi
+	pushl	%edi
+	pushl	%ebx
+	pushl	%ecx
+
+	movl	8(%ebp), %eax
+	movl	%eax, struct_regs
+	movw	2(%eax), %bx
+	movw	4(%eax), %cx
+	movw	6(%eax), %dx
+	movw	8(%eax), %si
+	movw	10(%eax), %di
+	movw	0(%eax), %ax
+
+	lcall	_apm_addr		/* intersegment call */
+
+	setc	cf_result
+	movb	%ah, _apm_errno
+	push	%eax
+	movl	struct_regs, %eax
+	movw	%bx, 2(%eax)
+	movw	%cx, 4(%eax)
+	movw	%dx, 6(%eax)
+	movw	%si, 8(%eax)
+	movw	%di, 10(%eax)
+	movb	cf_result, %bl
+	xorb	%bh, %bh
+	movw	%bx, 12(%eax)
+	popl	%ebx
+	movl	%ebx, 0(%eax)
+
+	popl	%ecx
+	popl	%ebx
+	popl	%edi
+	popl	%esi
+	leave
+	ret
+
+	.data
+struct_regs:
+	.long	0
+
+cf_result:
+	.byte	0
+
+_apm_errno:
+	.globl	_apm_errno
+	.byte	0
+
+	.data
+_apm_init_image:
+	.globl	_apm_init_image
+
+1:
+#include "apm_init/apm_init.inc"
+2:
+
+_apm_init_image_size:
+	.globl	_apm_init_image_size
+	.long	2b - 1b
+
+_apm_version:
+	.globl	_apm_version
+	.long	0
+
+_apm_cs_entry:
+	.globl	_apm_cs_entry
+	.long	0
+
+_apm_cs16_base:
+	.globl	_apm_cs16_base
+	.word	0
+
+_apm_cs32_base:
+	.globl	_apm_cs32_base
+	.word	0
+
+_apm_ds_base:
+	.globl	_apm_ds_base
+	.word	0
+
+_apm_cs_limit:
+	.globl	_apm_cs_limit
+	.word	0
+
+_apm_ds_limit:
+	.globl	_apm_ds_limit
+	.word	0
+
+_apm_flags:
+	.globl	_apm_flags
+	.word	0
+
+#endif	/* APM */