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author | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2006-12-01 13:57:46 +0000 |
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committer | kfraser@localhost.localdomain <kfraser@localhost.localdomain> | 2006-12-01 13:57:46 +0000 |
commit | 2aba25fee2273946a15c8766cb252808c6f60f99 (patch) | |
tree | 6f6c2c73bcb63880be7aabcc5d93b37c288bf715 /tools/tests | |
parent | ea1248436a8ebe048ac70c5967a6904d4c78073d (diff) | |
download | xen-2aba25fee2273946a15c8766cb252808c6f60f99.tar.gz xen-2aba25fee2273946a15c8766cb252808c6f60f99.tar.bz2 xen-2aba25fee2273946a15c8766cb252808c6f60f99.zip |
[XEN] Emulate XADD instruction.
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'tools/tests')
-rw-r--r-- | tools/tests/test_x86_emulator.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/tests/test_x86_emulator.c b/tools/tests/test_x86_emulator.c index 31f1abcb02..e22e342ce2 100644 --- a/tools/tests/test_x86_emulator.c +++ b/tools/tests/test_x86_emulator.c @@ -304,6 +304,7 @@ int main(int argc, char **argv) printf("%-40s", "Testing cmpxchg8b (%edi) [failing]..."); instr[0] = 0x0f; instr[1] = 0xc7; instr[2] = 0x0f; + regs.eflags = 0x200; regs.eip = (unsigned long)&instr[0]; regs.edi = (unsigned long)res; regs.error_code = PFEC_write_access; @@ -320,6 +321,7 @@ int main(int argc, char **argv) printf("%-40s", "Testing movsxbd (%%eax),%%ecx..."); instr[0] = 0x0f; instr[1] = 0xbe; instr[2] = 0x08; + regs.eflags = 0x200; regs.eip = (unsigned long)&instr[0]; regs.ecx = 0x12345678; regs.eax = (unsigned long)res; @@ -336,6 +338,7 @@ int main(int argc, char **argv) printf("%-40s", "Testing movzxwd (%%eax),%%ecx..."); instr[0] = 0x0f; instr[1] = 0xb7; instr[2] = 0x08; + regs.eflags = 0x200; regs.eip = (unsigned long)&instr[0]; regs.ecx = 0x12345678; regs.eax = (unsigned long)res; @@ -350,6 +353,23 @@ int main(int argc, char **argv) goto fail; printf("okay\n"); + printf("%-40s", "Testing xadd %%ax,(%%ecx)..."); + instr[0] = 0x66; instr[1] = 0x0f; instr[2] = 0xc1; instr[3] = 0x01; + regs.eflags = 0x200; + regs.eip = (unsigned long)&instr[0]; + regs.ecx = (unsigned long)res; + regs.eax = 0x12345678; + *res = 0x11111111; + regs.error_code = 0; + rc = x86_emulate_memop(&ctxt, &emulops); + if ( (rc != 0) || + (*res != 0x11116789) || + (regs.eax != 0x12341111) || + ((regs.eflags&0x240) != 0x200) || + (regs.eip != (unsigned long)&instr[4]) ) + goto fail; + printf("okay\n"); + return 0; fail: |