[coreboot] [PATCH] Add QWord support to acpigen
Carl-Daniel Hailfinger
c-d.hailfinger.devel.2006 at gmx.net
Mon Feb 16 16:47:10 CET 2009
Add QWord support to acpigen.
Add TOM2 to the K8 DSDT.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
Compile tested only.
--- LinuxBIOSv2-asus_m2a-vm/src/northbridge/amd/amdk8/amdk8_acpi.c (Revision 3950)
+++ LinuxBIOSv2-asus_m2a-vm/src/northbridge/amd/amdk8/amdk8_acpi.c (Arbeitskopie)
@@ -302,6 +302,8 @@
lens += acpigen_write_name_dword("SBDN", sysconf.sbdn);
msr = rdmsr(TOP_MEM);
lens += acpigen_write_name_dword("TOM1", msr.lo);
+ msr = rdmsr(TOP_MEM2);
+ lens += acpigen_write_name_qword("TOM2", (msr.hi << 32) | msr.lo);
lens += k8acpi_write_HT();
//minus opcode
--- LinuxBIOSv2-asus_m2a-vm/src/arch/i386/boot/acpigen.c (Revision 3950)
+++ LinuxBIOSv2-asus_m2a-vm/src/arch/i386/boot/acpigen.c (Arbeitskopie)
@@ -97,6 +97,21 @@
return 5;
}
+int acpigen_write_qword(uint64_t data)
+{
+ /* qword op */
+ acpigen_emit_byte(0xc);
+ acpigen_emit_byte(data & 0xff);
+ acpigen_emit_byte((data >> 8) & 0xff);
+ acpigen_emit_byte((data >> 16) & 0xff);
+ acpigen_emit_byte((data >> 24) & 0xff);
+ acpigen_emit_byte((data >> 32) & 0xff);
+ acpigen_emit_byte((data >> 40) & 0xff);
+ acpigen_emit_byte((data >> 48) & 0xff);
+ acpigen_emit_byte((data >> 56) & 0xff);
+ return 9;
+}
+
int acpigen_write_name_byte(char *name, uint8_t val) {
int len;
len = acpigen_write_name(name);
@@ -111,6 +126,13 @@
return len;
}
+int acpigen_write_name_qword(char *name, uint64_t val) {
+ int len;
+ len = acpigen_write_name(name);
+ len += acpigen_write_qword(val);
+ return len;
+}
+
int acpigen_emit_stream(char *data, int size) {
int i;
for (i = 0; i < size; i++) {
--- LinuxBIOSv2-asus_m2a-vm/src/arch/i386/include/arch/acpigen.h (Revision 3950)
+++ LinuxBIOSv2-asus_m2a-vm/src/arch/i386/include/arch/acpigen.h (Arbeitskopie)
@@ -30,8 +30,10 @@
int acpigen_emit_byte(unsigned char data);
int acpigen_emit_stream(char *data, int size);
int acpigen_write_dword(unsigned int data);
+int acpigen_write_qword(uint64_t data);
int acpigen_write_name(char *name);
int acpigen_write_name_dword(char *name, uint32_t val);
+int acpigen_write_name_qword(char *name, uint64_t val);
int acpigen_write_name_byte(char *name, uint8_t val);
int acpigen_write_scope(char *name);
int acpigen_write_PPC(u8 nr);
--
http://www.hailfinger.org/
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