Shutdown manually

tests/boot/kfreebsd.init-i386.S

@@ -21,12 +21,16 @@
 #define SYSCALL_OPEN 5
 #define SYSCALL_WRITE 4
 #define SYSCALL_RESET 55
+#define SYSCALL_FSYNC 95
+#define SYSCALL_ARCH 165
 #define SYSCALL_EXIT 1
+#define SYSCALL_ARCH_IOPL	4
 #define SYSCALL_INT 0x80
 
 #define RESET_NOSYNC 0x4
 #define RESET_HALT 0x8
 #define RESET_POWEROFF 0x4000
+#define SHUTDOWN_PORT 0x8900
 
 	.section ".init", "ax"
 	.global start,_start
@@ -53,6 +57,39 @@ _start:
 	int $SYSCALL_INT
 	addl $16, %esp
 
+	/* fsync.  */
+	movl $SYSCALL_FSYNC, %eax
+	pushl %ecx
+	pushl $0
+	int $SYSCALL_INT
+	addl $8, %esp
+
+	/* IOPL.  */
+	movl $SYSCALL_ARCH, %eax
+	pushl $iopl_arg
+	pushl $SYSCALL_ARCH_IOPL
+	pushl $0
+	int $SYSCALL_INT
+	addl $12, %esp
+	
+	movw $SHUTDOWN_PORT, %dx
+	movb $'S', %al
+	outb %al, %dx
+	movb $'h', %al
+	outb %al, %dx
+	movb $'u', %al
+	outb %al, %dx
+	movb $'t', %al
+	outb %al, %dx
+	movb $'d', %al
+	outb %al, %dx
+	movb $'o', %al
+	outb %al, %dx
+	movb $'w', %al
+	outb %al, %dx
+	movb $'n', %al
+	outb %al, %dx
+	
 	/* shutdown.  */
 	movl $SYSCALL_RESET, %eax
 	pushl $(RESET_POWEROFF|RESET_HALT|RESET_NOSYNC)
@@ -71,4 +108,7 @@ device:
 message:
 	.ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n"
 messageend:
-	
+iopl_arg:
+	.long SHUTDOWN_PORT
+	.long 1
+	.long 1

tests/boot/kfreebsd.init-x86_64.S

@@ -18,14 +18,18 @@
 
 #define MODE_RDRW 2
 #define FLAGS_NONE 0
+#define SYSCALL_ARCH 165
 #define SYSCALL_OPEN 5
 #define SYSCALL_WRITE 4
 #define SYSCALL_RESET 55
 #define SYSCALL_EXIT 1
+#define SYSCALL_ARCH_IOPL	4
+#define SYSCALL_FSYNC 95
 
 #define RESET_NOSYNC 0x4
 #define RESET_HALT 0x8
 #define RESET_POWEROFF 0x4000
+#define SHUTDOWN_PORT 0x8900
 
 	.section ".init", "ax"
 	.global start,_start
@@ -40,11 +44,39 @@ _start:
 	movq %rax, %rdi
 
 	/* write.  */
-	movq $SYSCALL_WRITE, %rax
 	leaq message, %rsi
-	movq $(messageend-message), %rdx
+	movq $SYSCALL_WRITE, %rax
+	movq $(messageend - message), %rdx
 	syscall
 
+	/* fsync.  */
+	movq $SYSCALL_FSYNC, %rax
+	syscall
+
+	/* IOPL.  */
+	movq $SYSCALL_ARCH, %rax
+	movq $SYSCALL_ARCH_IOPL, %rdi
+	leaq iopl_arg, %rsi
+	syscall
+
+	movw $SHUTDOWN_PORT, %dx
+	movb $'S', %al
+	outb %al, %dx
+	movb $'h', %al
+	outb %al, %dx
+	movb $'u', %al
+	outb %al, %dx
+	movb $'t', %al
+	outb %al, %dx
+	movb $'d', %al
+	outb %al, %dx
+	movb $'o', %al
+	outb %al, %dx
+	movb $'w', %al
+	outb %al, %dx
+	movb $'n', %al
+	outb %al, %dx
+	
 	/* shutdown.  */
 	movq $SYSCALL_RESET, %rax
 	movq $(RESET_POWEROFF|RESET_HALT|RESET_NOSYNC), %rdi
@@ -60,3 +92,7 @@ device:
 message:
 	.ascii "Boot Test Passed Successfully\n" SUCCESSFUL_BOOT_STRING "\n"
 messageend:
+iopl_arg:
+	.long SHUTDOWN_PORT
+	.long 1
+	.long 1

tests/boot/knetbsd.init-x86_64.S

@@ -23,12 +23,15 @@
 #define SYSCALL_RESET 208
 #define SYSCALL_EXIT 1
 #define SYSCALL_MKNOD 14
+#define SYSCALL_ARCH 165
 #define SYSCALL_MOUNT 410
 #define SYSCALL_INT 0x80
+#define SYSCALL_ARCH_IOPL	2
 
 #define RESET_NOSYNC 0x4
 #define RESET_HALT 0x8
 #define RESET_POWEROFF 0x800
+#define SHUTDOWN_PORT 0x8900
 
 	.section ".init", "ax"
 	.global start,_start
@@ -64,6 +67,30 @@ _start:
 	leaq message, %rsi
 	syscall
 
+	/* IOPL.  */
+	movq $SYSCALL_ARCH, %rax
+	movq $SYSCALL_ARCH_IOPL, %rdi
+	leaq iopl_arg, %rsi
+	syscall
+
+	movw $SHUTDOWN_PORT, %dx
+	movb $'S', %al
+	outb %al, %dx
+	movb $'h', %al
+	outb %al, %dx
+	movb $'u', %al
+	outb %al, %dx
+	movb $'t', %al
+	outb %al, %dx
+	movb $'d', %al
+	outb %al, %dx
+	movb $'o', %al
+	outb %al, %dx
+	movb $'w', %al
+	outb %al, %dx
+	movb $'n', %al
+	outb %al, %dx
+
 	/* shutdown.  */
 	movq $SYSCALL_RESET, %rax
 	movq $(RESET_POWEROFF|RESET_HALT|RESET_NOSYNC), %rdi
@@ -119,3 +146,5 @@ tmpfs_args:
 	/* Alignment long.  */
 	.long 0
 tmpfs_args_end:
+iopl_arg:
+	.long 3

tests/boot/linux.init-i386.S

@@ -18,6 +18,7 @@
 
 #define SYSCALL_WRITE 4
 #define SYSCALL_RESET 88
+#define SYSCALL_IOPL 110
 #define SYSCALL_EXIT 1
 #define SYSCALL_INT 0x80
 
@@ -26,6 +27,8 @@
 #define SHUTDOWN_MAGIC2 0x28121969
 #define SHUTDOWN_MAGIC3 0x4321fedc
 
+#define SHUTDOWN_PORT 0x8900
+
 	.text
 	.global start, _start
 _start:
@@ -37,6 +40,28 @@ start:
 	movl $(messageend-message), %edx
 	int $SYSCALL_INT
 
+	movl $SYSCALL_IOPL, %eax
+	movl $3, %ebx
+	int $SYSCALL_INT
+
+	movw $SHUTDOWN_PORT, %dx
+	movb $'S', %al
+	outb %al, %dx
+	movb $'h', %al
+	outb %al, %dx
+	movb $'u', %al
+	outb %al, %dx
+	movb $'t', %al
+	outb %al, %dx
+	movb $'d', %al
+	outb %al, %dx
+	movb $'o', %al
+	outb %al, %dx
+	movb $'w', %al
+	outb %al, %dx
+	movb $'n', %al
+	outb %al, %dx
+	
 	/* shutdown.  */
 	movl $SYSCALL_RESET, %eax
 	movl $SHUTDOWN_MAGIC1, %ebx