OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

acpi: extend aml_shiftright() to accept target argument

Browse Source 
it allows to express ShiftRight(A,B,C) syntax

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
This commit is contained in:
Igor Mammedov 2015-12-10 00:41:06 +01:00 committed by Michael S. Tsirkin
parent f411199de7
commit c360639aee
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
hw/acpi/aml-build.c
View File

@ -491,9 +491,9 @@ Aml *aml_shiftleft(Aml *arg1, Aml *count)
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */
Aml *aml_shiftright(Aml *arg1, Aml *count)
Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst)
{
return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, NULL);
return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst);
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */

2
hw/i386/acpi-build.c
View File

@ -667,7 +667,7 @@ static Aml *build_prt(void)
/* slot = pin >> 2 */
aml_append(while_ctx,
aml_store(aml_shiftright(pin, aml_int(2)), slot));
aml_store(aml_shiftright(pin, aml_int(2), NULL), slot));
/* lnk_idx = (slot + pin) & 3 */
aml_append(while_ctx,
aml_store(aml_and(aml_add(pin, slot, NULL), aml_int(3)), lnk_idx));

2
include/hw/acpi/aml-build.h
View File

@ -229,7 +229,7 @@ Aml *aml_store(Aml *val, Aml *target);
Aml *aml_and(Aml *arg1, Aml *arg2);
Aml *aml_or(Aml *arg1, Aml *arg2);
Aml *aml_shiftleft(Aml *arg1, Aml *count);
Aml *aml_shiftright(Aml *arg1, Aml *count);
Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst);
Aml *aml_lless(Aml *arg1, Aml *arg2);
Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst);
Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst);