From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001
From: Yang Zhang <yang.z.zhang@intel.com>
Date: Fri, 28 Aug 2015 09:58:54 +0800
Subject: Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
---
 qemu/tests/tcg/test-i386-vm86.S | 103 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 qemu/tests/tcg/test-i386-vm86.S

(limited to 'qemu/tests/tcg/test-i386-vm86.S')

diff --git a/qemu/tests/tcg/test-i386-vm86.S b/qemu/tests/tcg/test-i386-vm86.S
new file mode 100644
index 000000000..3bb96c992
--- /dev/null
+++ b/qemu/tests/tcg/test-i386-vm86.S
@@ -0,0 +1,103 @@
+        .code16
+        .globl vm86_code_start
+        .globl vm86_code_end
+
+#define GET_OFFSET(x) ((x) - vm86_code_start + 0x100)
+
+vm86_code_start:
+        movw $GET_OFFSET(hello_world), %dx
+        movb $0x09, %ah
+        int $0x21
+
+        /* prepare int 0x90 vector */
+        xorw %ax, %ax
+        movw %ax, %es
+        es movw $GET_OFFSET(int90_test), 0x90 * 4
+        es movw %cs, 0x90 * 4 + 2
+
+        /* launch int 0x90 */
+
+        int $0x90
+
+        /* test IF support */
+        movw $GET_OFFSET(IF_msg), %dx
+        movb $0x09, %ah
+        int $0x21
+
+        pushf
+        popw %dx
+        movb $0xff, %ah
+        int $0x21
+
+        cli
+        pushf
+        popw %dx
+        movb $0xff, %ah
+        int $0x21
+
+        sti
+        pushfl
+        popl %edx
+        movb $0xff, %ah
+        int $0x21
+
+#if 0
+        movw $GET_OFFSET(IF_msg1), %dx
+        movb $0x09, %ah
+        int $0x21
+
+        pushf
+        movw %sp, %bx
+        andw $~0x200, (%bx)
+        popf
+#else
+        cli
+#endif
+
+        pushf
+        popw %dx
+        movb $0xff, %ah
+        int $0x21
+
+        pushfl
+        movw %sp, %bx
+        orw $0x200, (%bx)
+        popfl
+
+        pushfl
+        popl %edx
+        movb $0xff, %ah
+        int $0x21
+
+        movb $0x00, %ah
+        int $0x21
+
+int90_test:
+        pushf
+        pop %dx
+        movb $0xff, %ah
+        int $0x21
+
+        movw %sp, %bx
+        movw 4(%bx), %dx
+        movb $0xff, %ah
+        int $0x21
+
+        movw $GET_OFFSET(int90_msg), %dx
+        movb $0x09, %ah
+        int $0x21
+        iret
+
+int90_msg:
+        .string "INT90 started\n$"
+
+hello_world:
+        .string "Hello VM86 world\n$"
+
+IF_msg:
+        .string "VM86 IF test\n$"
+
+IF_msg1:
+        .string "If you see a diff here, your Linux kernel is buggy, please update to 2.4.20 kernel\n$"
+
+vm86_code_end:
-- 
cgit 1.2.3-korg