diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/tests/tcg/test-i386-code16.S | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/tests/tcg/test-i386-code16.S')
-rw-r--r-- | qemu/tests/tcg/test-i386-code16.S | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/qemu/tests/tcg/test-i386-code16.S b/qemu/tests/tcg/test-i386-code16.S new file mode 100644 index 000000000..816c24b96 --- /dev/null +++ b/qemu/tests/tcg/test-i386-code16.S @@ -0,0 +1,79 @@ + .code16 + .globl code16_start + .globl code16_end + +CS_SEG = 0xf + +code16_start: + + .globl code16_func1 + + /* basic test */ +code16_func1 = . - code16_start + mov $1, %eax + data32 lret + +/* test push/pop in 16 bit mode */ + .globl code16_func2 +code16_func2 = . - code16_start + xor %eax, %eax + mov $0x12345678, %ebx + movl %esp, %ecx + push %bx + subl %esp, %ecx + pop %ax + data32 lret + +/* test various jmp opcodes */ + .globl code16_func3 +code16_func3 = . - code16_start + jmp 1f + nop +1: + mov $4, %eax + mov $0x12345678, %ebx + xor %bx, %bx + jz 2f + add $2, %ax +2: + + call myfunc + + lcall $CS_SEG, $(myfunc2 - code16_start) + + ljmp $CS_SEG, $(myjmp1 - code16_start) +myjmp1_next: + + cs lcall *myfunc2_addr - code16_start + + cs ljmp *myjmp2_addr - code16_start +myjmp2_next: + + data32 lret + +myfunc2_addr: + .short myfunc2 - code16_start + .short CS_SEG + +myjmp2_addr: + .short myjmp2 - code16_start + .short CS_SEG + +myjmp1: + add $8, %ax + jmp myjmp1_next + +myjmp2: + add $16, %ax + jmp myjmp2_next + +myfunc: + add $1, %ax + ret + +myfunc2: + add $4, %ax + lret + + +code16_end: |