Signed-off-by: Wei Yongjun yj...@cn.fujitsu.com
---
x86/realmode.c | 59
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/x86/realmode.c b/x86/realmode.c
index b69e474..8c771fc 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -1184,6 +1184,64 @@ void test_cwd_cdq()
outregs.eax == 0x1000 outregs.edx == 0);
}
+static struct {
+void *address;
+unsigned short sel;
+} __attribute__((packed)) desc = {
+ (void *)0x1234,
+ 0x10,
+};
+
+void test_lds_lss()
+{
+ inregs = (struct regs){ .ebx = (unsigned long)desc };
+
+ MK_INSN(lds, push %ds\n\t
+lds (%ebx), %eax\n\t
+mov %ds, %ebx\n\t
+pop %ds\n\t);
+ exec_in_big_real_mode(insn_lds);
+ report(lds, R_AX | R_BX,
+ outregs.eax == (unsigned long)desc.address
+ outregs.ebx == desc.sel);
+
+ MK_INSN(les, push %es\n\t
+les (%ebx), %eax\n\t
+mov %es, %ebx\n\t
+pop %es\n\t);
+ exec_in_big_real_mode(insn_les);
+ report(les, R_AX | R_BX,
+ outregs.eax == (unsigned long)desc.address
+ outregs.ebx == desc.sel);
+
+ MK_INSN(lfs, push %fs\n\t
+lfs (%ebx), %eax\n\t
+mov %fs, %ebx\n\t
+pop %fs\n\t);
+ exec_in_big_real_mode(insn_lfs);
+ report(lfs, R_AX | R_BX,
+ outregs.eax == (unsigned long)desc.address
+ outregs.ebx == desc.sel);
+
+ MK_INSN(lgs, push %gs\n\t
+lgs (%ebx), %eax\n\t
+mov %gs, %ebx\n\t
+pop %gs\n\t);
+ exec_in_big_real_mode(insn_lgs);
+ report(lgs, R_AX | R_BX,
+ outregs.eax == (unsigned long)desc.address
+ outregs.ebx == desc.sel);
+
+ MK_INSN(lss, push %ss\n\t
+lss (%ebx), %eax\n\t
+mov %ss, %ebx\n\t
+pop %ss\n\t);
+ exec_in_big_real_mode(insn_lss);
+ report(lss, R_AX | R_BX,
+ outregs.eax == (unsigned long)desc.address
+ outregs.ebx == desc.sel);
+}
+
void realmode_start(void)
{
test_null();
@@ -1215,6 +1273,7 @@ void realmode_start(void)
test_cbw();
test_cwd_cdq();
test_das();
+ test_lds_lss();
exit(0);
}
--
1.7.0.4
--
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