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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [HVMLOADER][ACPI] Move SSDT initialisation to acpi/ dir.
# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID 514ed4f0e5da6eb0b0bd8727194296434c4b5005
# Parent 6c2c7ff6265a9c47bb851c89dde5aae4ed58de02
[HVMLOADER][ACPI] Move SSDT initialisation to acpi/ dir.
This kills off a few hundred lines of unnecessary code.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
tools/firmware/hvmloader/acpi_ssdt_tpm.asl | 29 --
tools/firmware/hvmloader/acpi_ssdt_tpm.h | 25 --
tools/firmware/hvmloader/acpi_utils.c | 318 -----------------------------
tools/firmware/hvmloader/acpi_utils.h | 36 ---
tools/firmware/hvmloader/Makefile | 4
tools/firmware/hvmloader/acpi/Makefile | 8
tools/firmware/hvmloader/acpi/acpi2_0.h | 17 -
tools/firmware/hvmloader/acpi/build.c | 118 +++++++---
tools/firmware/hvmloader/acpi/ssdt_tpm.asl | 29 ++
tools/firmware/hvmloader/acpi/ssdt_tpm.h | 25 ++
tools/firmware/hvmloader/hvmloader.c | 9
tools/firmware/hvmloader/mp_tables.c | 1
tools/firmware/hvmloader/util.h | 3
13 files changed, 153 insertions(+), 469 deletions(-)
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/Makefile
--- a/tools/firmware/hvmloader/Makefile Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/Makefile Tue Nov 28 15:47:52 2006 +0000
@@ -40,7 +40,7 @@ CFLAGS += $(DEFINES) -I. $(XENINC) -fno
CFLAGS += $(DEFINES) -I. $(XENINC) -fno-builtin -O2 -msoft-float
LDFLAGS = -nostdlib -Wl,-N -Wl,-Ttext -Wl,$(LOADADDR)
-SRCS = hvmloader.c mp_tables.c util.c smbios.c acpi_utils.c
+SRCS = hvmloader.c mp_tables.c util.c smbios.c
OBJS = $(patsubst %.c,%.o,$(SRCS))
.PHONY: all
@@ -65,5 +65,5 @@ roms.h: ../rombios/BIOS-bochs-latest ../
.PHONY: clean
clean:
rm -f roms.h acpi.h
- rm -f hvmloader hvmloader.tmp hvmloader.o $(OBJS)
+ rm -f hvmloader hvmloader.tmp *.o
$(MAKE) -C acpi clean
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi/Makefile
--- a/tools/firmware/hvmloader/acpi/Makefile Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/acpi/Makefile Tue Nov 28 15:47:52 2006 +0000
@@ -30,12 +30,18 @@ vpath iasl $(PATH)
vpath iasl $(PATH)
all: acpi.a
+ssdt_tpm.h: ssdt_tpm.asl
+ $(MAKE) iasl
+ iasl -tc ssdt_tpm.asl
+ mv ssdt_tpm.hex ssdt_tpm.h
+ rm -f *.aml
+
dsdt.c: dsdt.asl
$(MAKE) iasl
iasl -tc dsdt.asl
mv dsdt.hex dsdt.c
echo "int DsdtLen=sizeof(AmlCode);" >> dsdt.c
- rm *.aml
+ rm -f *.aml
iasl:
@echo
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi/acpi2_0.h
--- a/tools/firmware/hvmloader/acpi/acpi2_0.h Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/acpi/acpi2_0.h Tue Nov 28 15:47:52 2006 +0000
@@ -119,7 +119,7 @@ struct acpi_20_rsdp {
*/
struct acpi_20_rsdt {
struct acpi_header header;
- uint32_t entry[ACPI_MAX_NUM_TABLES];
+ uint32_t entry[1];
};
#define ACPI_2_0_RSDT_REVISION 0x01
@@ -128,20 +128,19 @@ struct acpi_20_rsdt {
*/
struct acpi_20_xsdt {
struct acpi_header header;
- uint64_t entry[ACPI_MAX_NUM_TABLES];
+ uint64_t entry[1];
};
#define ACPI_2_0_XSDT_REVISION 0x01
/*
* TCG Hardware Interface Table (TCPA)
*/
-
-typedef struct _ACPI_2_0_TCPA_CLIENT {
- struct acpi_header header;
- uint16_t PlatformClass;
- uint32_t LAML;
- uint64_t LASA;
-} ACPI_2_0_TCPA_CLIENT;
+struct acpi_20_tcpa {
+ struct acpi_header header;
+ uint16_t platform_class;
+ uint32_t laml;
+ uint64_t lasa;
+};
#define ACPI_2_0_TCPA_REVISION 0x02
#define ACPI_2_0_TCPA_LAML_SIZE (64*1024)
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi/build.c
--- a/tools/firmware/hvmloader/acpi/build.c Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/acpi/build.c Tue Nov 28 15:47:52 2006 +0000
@@ -17,8 +17,12 @@
*/
#include "acpi2_0.h"
+#include "ssdt_tpm.h"
#include "../config.h"
#include "../util.h"
+#include <xen/hvm/e820.h>
+
+#define align16(sz) (((sz) + 15) & ~15)
extern struct acpi_20_rsdp Rsdp;
extern struct acpi_20_rsdt Rsdt;
@@ -103,39 +107,85 @@ int construct_madt(struct acpi_20_madt *
madt->header.length = offset;
set_checksum(madt, offsetof(struct acpi_header, checksum), offset);
- return offset;
-}
-
-/*
- * Copy all the ACPI table to buffer.
- * Buffer layout: FACS, DSDT, FADT, MADT, XSDT, RSDT, RSDP.
- */
+ return align16(offset);
+}
+
+int construct_secondary_tables(uint8_t *buf, unsigned long *table_ptrs)
+{
+ int offset = 0, nr_tables = 0;
+ struct acpi_20_madt *madt;
+ struct acpi_20_tcpa *tcpa;
+ static const uint16_t tis_did_vid_rid[] = {0x0001, 0x0001, 0x0001};
+
+ /* MADT. */
+ if ( (get_vcpu_nr() > 1) || get_apic_mode() )
+ {
+ madt = (struct acpi_20_madt *)&buf[offset];
+ offset += construct_madt(madt);
+ table_ptrs[nr_tables++] = (unsigned long)madt;
+ }
+
+ /* TPM TCPA and SSDT. */
+ if ( memcmp((char *)0xFED40F00, tis_did_vid_rid,
+ sizeof(tis_did_vid_rid)) == 0 ) /* Probe for TIS interface. */
+ {
+ memcpy(&buf[offset], AmlCode_TPM, sizeof(AmlCode_TPM));
+ table_ptrs[nr_tables++] = (unsigned long)&buf[offset];
+ offset += align16(sizeof(AmlCode_TPM));
+
+ tcpa = (struct acpi_20_tcpa *)&buf[offset];
+ memset(tcpa, 0, sizeof(*tcpa));
+ offset += align16(sizeof(*tcpa));
+ table_ptrs[nr_tables++] = (unsigned long)tcpa;
+
+ tcpa->header.signature = ACPI_2_0_TCPA_SIGNATURE;
+ tcpa->header.length = sizeof(*tcpa);
+ tcpa->header.revision = ACPI_2_0_TCPA_REVISION;
+ strncpy(tcpa->header.oem_id, "IBM ", 6);
+ tcpa->header.oem_table_id = ASCII64(' ', ' ', ' ', ' ',
+ ' ', 'x', 'e', 'n');
+ tcpa->header.oem_revision = 1;
+ tcpa->header.creator_id = ASCII32('I', 'B', 'M', ' ');
+ tcpa->header.creator_revision = 1;
+ tcpa->lasa = e820_malloc(
+ ACPI_2_0_TCPA_LAML_SIZE, E820_RESERVED, (uint32_t)~0);
+ if ( tcpa->lasa )
+ {
+ tcpa->laml = ACPI_2_0_TCPA_LAML_SIZE;
+ memset((char *)(unsigned long)tcpa->lasa, 0, tcpa->laml);
+ set_checksum(tcpa,
+ offsetof(struct acpi_header, checksum),
+ tcpa->header.length);
+ }
+ }
+
+ table_ptrs[nr_tables] = 0;
+ return align16(offset);
+}
+
+/* Copy all the ACPI table to buffer. */
int acpi_build_tables(uint8_t *buf)
{
struct acpi_20_rsdp *rsdp;
struct acpi_20_rsdt *rsdt;
struct acpi_20_xsdt *xsdt;
struct acpi_20_fadt *fadt;
- struct acpi_20_madt *madt = 0;
struct acpi_20_facs *facs;
unsigned char *dsdt;
- int offset = 0, requires_madt;
-
- requires_madt = ((get_vcpu_nr() > 1) || get_apic_mode());
-
-#define inc_offset(sz) (offset = (offset + (sz) + 15) & ~15)
+ unsigned long secondary_tables[16];
+ int offset = 0, i;
facs = (struct acpi_20_facs *)&buf[offset];
memcpy(facs, &Facs, sizeof(struct acpi_20_facs));
- inc_offset(sizeof(struct acpi_20_facs));
+ offset += align16(sizeof(struct acpi_20_facs));
dsdt = (unsigned char *)&buf[offset];
memcpy(dsdt, &AmlCode, DsdtLen);
- inc_offset(DsdtLen);
+ offset += align16(DsdtLen);
fadt = (struct acpi_20_fadt *)&buf[offset];
memcpy(fadt, &Fadt, sizeof(struct acpi_20_fadt));
- inc_offset(sizeof(struct acpi_20_fadt));
+ offset += align16(sizeof(struct acpi_20_fadt));
fadt->dsdt = (unsigned long)dsdt;
fadt->x_dsdt = (unsigned long)dsdt;
fadt->firmware_ctrl = (unsigned long)facs;
@@ -144,43 +194,33 @@ int acpi_build_tables(uint8_t *buf)
offsetof(struct acpi_header, checksum),
sizeof(struct acpi_20_fadt));
- if ( requires_madt )
- {
- madt = (struct acpi_20_madt *)&buf[offset];
- inc_offset(construct_madt(madt));
- }
+ offset += construct_secondary_tables(&buf[offset], secondary_tables);
xsdt = (struct acpi_20_xsdt *)&buf[offset];
- memcpy(xsdt, &Xsdt, sizeof(struct acpi_20_xsdt));
- inc_offset(sizeof(struct acpi_20_xsdt));
+ memcpy(xsdt, &Xsdt, sizeof(struct acpi_header));
xsdt->entry[0] = (unsigned long)fadt;
- xsdt->header.length = sizeof(struct acpi_header) + sizeof(uint64_t);
- if ( requires_madt )
- {
- xsdt->entry[1] = (unsigned long)madt;
- xsdt->header.length += sizeof(uint64_t);
- }
+ for ( i = 0; secondary_tables[i]; i++ )
+ xsdt->entry[i+1] = secondary_tables[i];
+ xsdt->header.length = sizeof(struct acpi_header) + (i+1)*sizeof(uint64_t);
+ offset += align16(xsdt->header.length);
set_checksum(xsdt,
offsetof(struct acpi_header, checksum),
xsdt->header.length);
rsdt = (struct acpi_20_rsdt *)&buf[offset];
- memcpy(rsdt, &Rsdt, sizeof(struct acpi_20_rsdt));
- inc_offset(sizeof(struct acpi_20_rsdt));
+ memcpy(rsdt, &Rsdt, sizeof(struct acpi_header));
rsdt->entry[0] = (unsigned long)fadt;
- rsdt->header.length = sizeof(struct acpi_header) + sizeof(uint32_t);
- if ( requires_madt )
- {
- rsdt->entry[1] = (unsigned long)madt;
- rsdt->header.length += sizeof(uint32_t);
- }
+ for ( i = 0; secondary_tables[i]; i++ )
+ rsdt->entry[i+1] = secondary_tables[i];
+ rsdt->header.length = sizeof(struct acpi_header) + (i+1)*sizeof(uint32_t);
+ offset += align16(rsdt->header.length);
set_checksum(rsdt,
offsetof(struct acpi_header, checksum),
rsdt->header.length);
rsdp = (struct acpi_20_rsdp *)&buf[offset];
memcpy(rsdp, &Rsdp, sizeof(struct acpi_20_rsdp));
- inc_offset(sizeof(struct acpi_20_rsdp));
+ offset += align16(sizeof(struct acpi_20_rsdp));
rsdp->rsdt_address = (unsigned long)rsdt;
rsdp->xsdt_address = (unsigned long)xsdt;
set_checksum(rsdp,
@@ -189,8 +229,6 @@ int acpi_build_tables(uint8_t *buf)
set_checksum(rsdp,
offsetof(struct acpi_20_rsdp, extended_checksum),
sizeof(struct acpi_20_rsdp));
-
-#undef inc_offset
return offset;
}
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/hvmloader.c Tue Nov 28 15:47:52 2006 +0000
@@ -23,7 +23,6 @@
#include "acpi/acpi2_0.h" /* for ACPI_PHYSICAL_ADDRESS */
#include "hypercall.h"
#include "util.h"
-#include "acpi_utils.h"
#include "smbios.h"
#include "config.h"
#include "apic_regs.h"
@@ -283,7 +282,6 @@ int main(void)
int main(void)
{
int acpi_sz;
- uint8_t *freemem;
printf("HVM Loader\n");
@@ -318,12 +316,7 @@ int main(void)
{
printf("Loading ACPI ...\n");
acpi_sz = acpi_build_tables((uint8_t *)ACPI_PHYSICAL_ADDRESS);
- freemem = (uint8_t *)ACPI_PHYSICAL_ADDRESS + acpi_sz;
- ASSERT(freemem <= (uint8_t *)0xF0000);
- acpi_update((unsigned char *)ACPI_PHYSICAL_ADDRESS,
- freemem - (uint8_t *)ACPI_PHYSICAL_ADDRESS,
- (unsigned char *)0xF0000,
- &freemem);
+ ASSERT((ACPI_PHYSICAL_ADDRESS + acpi_sz) <= 0xF0000);
}
if ( check_amd() )
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/mp_tables.c
--- a/tools/firmware/hvmloader/mp_tables.c Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/mp_tables.c Tue Nov 28 15:47:52 2006 +0000
@@ -28,7 +28,6 @@
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
-#include <acpi_utils.h>
#include "config.h"
/* FIXME find a header that already has types defined!!! */
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/util.h
--- a/tools/firmware/hvmloader/util.h Tue Nov 28 15:25:26 2006 +0000
+++ b/tools/firmware/hvmloader/util.h Tue Nov 28 15:47:52 2006 +0000
@@ -5,6 +5,9 @@
#undef offsetof
#define offsetof(t, m) ((unsigned long)&((t *)0)->m)
+
+#undef NULL
+#define NULL ((void*)0)
extern void __assert_failed(char *assertion, char *file, int line)
__attribute__((noreturn));
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi/ssdt_tpm.asl
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/acpi/ssdt_tpm.asl Tue Nov 28 15:47:52
2006 +0000
@@ -0,0 +1,29 @@
+//**********************************************************************//
+//*
+//* Copyright (c) 2006, IBM Corporation.
+//*
+//* This program is free software; you can redistribute it and/or modify it
+//* under the terms and conditions of the GNU General Public License,
+//* version 2, as published by the Free Software Foundation.
+//*
+//* This program is distributed in the hope it will be useful, but WITHOUT
+//* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+//* more details.
+//*
+//* You should have received a copy of the GNU General Public License along
with
+//* this program; if not, write to the Free Software Foundation, Inc., 59
Temple
+//* Place - Suite 330, Boston, MA 02111-1307 USA.
+
+//* SSDT for TPM TIS Interface for Xen with Qemu device model
+
+DefinitionBlock ("SSDT_TPM.aml", "SSDT", 1, "IBM","xen", 2006)
+{
+ Device (TPM) {
+ Name (_HID, EisaId ("PNP0C31"))
+ Name (_CRS, ResourceTemplate ()
+ {
+ Memory32Fixed (ReadWrite, 0xFED40000, 0x5000,)
+ })
+ }
+}
\ No newline at end of file
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi/ssdt_tpm.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/acpi/ssdt_tpm.h Tue Nov 28 15:47:52 2006 +0000
@@ -0,0 +1,25 @@
+/*
+ *
+ * Intel ACPI Component Architecture
+ * ASL Optimizing Compiler version 20060707 [Sep 11 2006]
+ * Copyright (C) 2000 - 2006 Intel Corporation
+ * Supports ACPI Specification Revision 3.0a
+ *
+ * Compilation of "acpi_ssdt_tpm.asl" - Mon Oct 30 11:28:27 2006
+ *
+ * C source code output
+ *
+ */
+unsigned char AmlCode_TPM[] =
+{
+ 0x53,0x53,0x44,0x54,0x4C,0x00,0x00,0x00, /* 00000000 "SSDTL..." */
+ 0x01,0x6D,0x49,0x42,0x4D,0x00,0x00,0x00, /* 00000008 ".mIBM..." */
+ 0x78,0x65,0x6E,0x00,0x00,0x00,0x00,0x00, /* 00000010 "xen....." */
+ 0xD6,0x07,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
+ 0x07,0x07,0x06,0x20,0x5B,0x82,0x26,0x54, /* 00000020 "... [.&T" */
+ 0x50,0x4D,0x5F,0x08,0x5F,0x48,0x49,0x44, /* 00000028 "PM_._HID" */
+ 0x0C,0x41,0xD0,0x0C,0x31,0x08,0x5F,0x43, /* 00000030 ".A..1._C" */
+ 0x52,0x53,0x11,0x11,0x0A,0x0E,0x86,0x09, /* 00000038 "RS......" */
+ 0x00,0x01,0x00,0x00,0xD4,0xFE,0x00,0x50, /* 00000040 ".......P" */
+ 0x00,0x00,0x79,0x00,
+};
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi_ssdt_tpm.asl
--- a/tools/firmware/hvmloader/acpi_ssdt_tpm.asl Tue Nov 28 15:25:26
2006 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,29 +0,0 @@
-//**********************************************************************//
-//*
-//* Copyright (c) 2006, IBM Corporation.
-//*
-//* This program is free software; you can redistribute it and/or modify it
-//* under the terms and conditions of the GNU General Public License,
-//* version 2, as published by the Free Software Foundation.
-//*
-//* This program is distributed in the hope it will be useful, but WITHOUT
-//* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-//* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-//* more details.
-//*
-//* You should have received a copy of the GNU General Public License along
with
-//* this program; if not, write to the Free Software Foundation, Inc., 59
Temple
-//* Place - Suite 330, Boston, MA 02111-1307 USA.
-
-//* SSDT for TPM TIS Interface for Xen with Qemu device model
-
-DefinitionBlock ("SSDT_TPM.aml", "SSDT", 1, "IBM","xen", 2006)
-{
- Device (TPM) {
- Name (_HID, EisaId ("PNP0C31"))
- Name (_CRS, ResourceTemplate ()
- {
- Memory32Fixed (ReadWrite, 0xFED40000, 0x5000,)
- })
- }
-}
\ No newline at end of file
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi_ssdt_tpm.h
--- a/tools/firmware/hvmloader/acpi_ssdt_tpm.h Tue Nov 28 15:25:26 2006 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,25 +0,0 @@
-/*
- *
- * Intel ACPI Component Architecture
- * ASL Optimizing Compiler version 20060707 [Sep 11 2006]
- * Copyright (C) 2000 - 2006 Intel Corporation
- * Supports ACPI Specification Revision 3.0a
- *
- * Compilation of "acpi_ssdt_tpm.asl" - Mon Oct 30 11:28:27 2006
- *
- * C source code output
- *
- */
-unsigned char AmlCode_TPM[] =
-{
- 0x53,0x53,0x44,0x54,0x4C,0x00,0x00,0x00, /* 00000000 "SSDTL..." */
- 0x01,0x6D,0x49,0x42,0x4D,0x00,0x00,0x00, /* 00000008 ".mIBM..." */
- 0x78,0x65,0x6E,0x00,0x00,0x00,0x00,0x00, /* 00000010 "xen....." */
- 0xD6,0x07,0x00,0x00,0x49,0x4E,0x54,0x4C, /* 00000018 "....INTL" */
- 0x07,0x07,0x06,0x20,0x5B,0x82,0x26,0x54, /* 00000020 "... [.&T" */
- 0x50,0x4D,0x5F,0x08,0x5F,0x48,0x49,0x44, /* 00000028 "PM_._HID" */
- 0x0C,0x41,0xD0,0x0C,0x31,0x08,0x5F,0x43, /* 00000030 ".A..1._C" */
- 0x52,0x53,0x11,0x11,0x0A,0x0E,0x86,0x09, /* 00000038 "RS......" */
- 0x00,0x01,0x00,0x00,0xD4,0xFE,0x00,0x50, /* 00000040 ".......P" */
- 0x00,0x00,0x79,0x00,
-};
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi_utils.c
--- a/tools/firmware/hvmloader/acpi_utils.c Tue Nov 28 15:25:26 2006 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,318 +0,0 @@
-/*
- * Commonly used ACPI utility functions.
- * Probing for devices and writing SSDT entries into XSDT and RSDT tables.
- *
- * Yu Ke, ke.yu@xxxxxxxxx
- * Copyright (c) 2005, Intel Corporation.
- * Copyright (c) 2006, IBM Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "acpi/acpi2_0.h"
-#include "acpi_utils.h"
-#include "util.h"
-#include <xen/hvm/e820.h>
-
-static int acpi_rsdt_add_entry_pointer(unsigned char *acpi_start,
- unsigned char *entry);
-static int acpi_xsdt_add_entry_pointer(unsigned char *acpi_start,
- unsigned char *entry);
-static unsigned char *acpi_xsdt_add_entry(unsigned char *acpi_start,
- unsigned char **freemem,
- unsigned char *limit,
- unsigned char *table,
- unsigned int table_size);
-
-void set_checksum(void *start, int checksum_offset, int len)
-{
- unsigned char sum = 0;
- unsigned char *ptr;
-
- ptr = start;
- ptr[checksum_offset] = 0;
- while ( len-- )
- sum += *ptr++;
-
- ptr = start;
- ptr[checksum_offset] = -sum;
-}
-
-
-#include "acpi_ssdt_tpm.h"
-static void acpi_tpm_tis_probe(unsigned char *acpi_start,
- unsigned char **freemem,
- unsigned char *limit)
-{
- unsigned char *addr;
- ACPI_2_0_TCPA_CLIENT *tcpa;
- /* check TPM_DID, TPM_VID, TPM_RID in ioemu/hw/tpm_tis.c */
- uint16_t tis_did_vid_rid[] = {0x0001, 0x0001, 0x0001};
- static const ACPI_2_0_TCPA_CLIENT Tcpa = {
- .header = {
- .signature = ACPI_2_0_TCPA_SIGNATURE,
- .length = sizeof(ACPI_2_0_TCPA_CLIENT),
- .revision = ACPI_2_0_TCPA_REVISION,
- .oem_id = {'I', 'B', 'M', ' ', ' ', ' '},
- .oem_table_id = ASCII64(' ', ' ', ' ', ' ', ' ', 'x', 'e', 'n'),
- .oem_revision = 1,
- .creator_id = ASCII32('I', 'B', 'M', ' '),
- .creator_revision = 1,
- }
- };
-
- /* probe for TIS interface ... */
- if ( memcmp((char *)(0xFED40000 + 0xF00),
- tis_did_vid_rid,
- sizeof(tis_did_vid_rid)) != 0 )
- return;
-
- printf("TIS is available\n");
- addr = acpi_xsdt_add_entry(acpi_start, freemem, limit,
- AmlCode_TPM, sizeof(AmlCode_TPM));
- if ( addr == NULL )
- return;
-
- /* legacy systems need an RSDT entry */
- if ( acpi_rsdt_add_entry_pointer(acpi_start, addr) != 1 )
- return;
-
- /* add ACPI TCPA table */
- addr = acpi_xsdt_add_entry(acpi_start, freemem, limit,
- (unsigned char *)&Tcpa,
- sizeof(Tcpa));
- if ( addr == NULL )
- return;
-
- tcpa = (ACPI_2_0_TCPA_CLIENT *)addr;
- tcpa->LASA = e820_malloc(
- ACPI_2_0_TCPA_LAML_SIZE, E820_RESERVED, (uint32_t)~0);
- if ( tcpa->LASA )
- {
- tcpa->LAML = ACPI_2_0_TCPA_LAML_SIZE;
- memset((char *)(unsigned long)tcpa->LASA,
- 0x0,
- tcpa->LAML);
- set_checksum(tcpa,
- FIELD_OFFSET(struct acpi_header, checksum),
- tcpa->header.length);
- }
-
- if ( acpi_rsdt_add_entry_pointer(acpi_start, addr) != 1 )
- return;
-}
-
-
-/*
- * Call functions that probe for devices and have them register their
- * SSDT entries with the XSDT and RSDT tables.
- */
-void acpi_update(unsigned char *acpi_start,
- unsigned long acpi_size,
- unsigned char *limit,
- unsigned char **freemem)
-{
- acpi_tpm_tis_probe(acpi_start, freemem, limit);
-}
-
-
-/*
- * Search for the RSDP in memory below the BIOS
- */
-struct acpi_20_rsdp *acpi_rsdp_get(unsigned char *acpi_start)
-{
- int offset = 0;
- int found = 0;
- static int displayed = 0;
- struct acpi_20_rsdp *rsdp;
-
- while ( &acpi_start[offset] < (unsigned char *)0xf0000 )
- {
- rsdp = (struct acpi_20_rsdp *)&acpi_start[offset];
- if ( rsdp->signature == ACPI_2_0_RSDP_SIGNATURE )
- {
- found = 1;
- break;
- }
- offset += 0x10;
- }
-
- if ( !found )
- rsdp = NULL;
-
- if ( !displayed )
- {
- if ( rsdp )
- printf("Found RSDP at %lx\n",(long)rsdp);
- else
- printf("ERROR: RSDP was not found\n");
- displayed = 1;
- }
-
- return rsdp;
-}
-
-
-struct acpi_20_rsdt *acpi_rsdt_get(unsigned char *acpi_start)
-{
- struct acpi_20_rsdp *rsdp;
- struct acpi_20_rsdt *rsdt;
-
- rsdp = acpi_rsdp_get(acpi_start);
- if (!rsdp)
- return NULL;
-
- rsdt = (struct acpi_20_rsdt *)
- (acpi_start + rsdp->rsdt_address - ACPI_PHYSICAL_ADDRESS);
- if ( rsdt->header.signature != ACPI_2_0_RSDT_SIGNATURE )
- {
- printf("Bad RSDT signature\n");
- return NULL;
- }
-
- return rsdt;
-}
-
-/*
- * Add an entry to the RSDT table given the pointer to the entry.
- */
-static int acpi_rsdt_add_entry_pointer(unsigned char *acpi_start,
- unsigned char *entry)
-{
- struct acpi_20_rsdt *rsdt = acpi_rsdt_get(acpi_start);
- int found = 0;
- int i = 0;
-
- /* Find an empty slot in the RSDT table. */
- while ( i < ACPI_MAX_NUM_TABLES )
- {
- if ( rsdt->entry[i] == 0 )
- {
- found = 1;
- break;
- }
- i++;
- }
-
- if ( found )
- {
- rsdt->entry[i] = (uint64_t)(unsigned long)entry;
- rsdt->header.length =
- sizeof(struct acpi_header) +
- (i + 1) * sizeof(uint64_t);
- set_checksum(rsdt,
- FIELD_OFFSET(struct acpi_header, checksum),
- rsdt->header.length);
- }
-
- return found;
-}
-
-/* Get the XSDT table. */
-struct acpi_20_xsdt *acpi_xsdt_get(unsigned char *acpi_start)
-{
- struct acpi_20_rsdp *rsdp;
- struct acpi_20_xsdt *xsdt;
-
- rsdp = acpi_rsdp_get(acpi_start);
- if (!rsdp)
- return NULL;
-
- xsdt = (struct acpi_20_xsdt *)
- (acpi_start + rsdp->xsdt_address - ACPI_PHYSICAL_ADDRESS);
- if ( xsdt->header.signature != ACPI_2_0_XSDT_SIGNATURE )
- {
- printf("Bad XSDT signature\n");
- return NULL;
- }
- return xsdt;
-}
-
-/*
- * Add an entry to the XSDT table given the pointer to the entry.
- */
-static int acpi_xsdt_add_entry_pointer(unsigned char *acpi_start,
- unsigned char *entry)
-{
- struct acpi_20_xsdt *xsdt = acpi_xsdt_get(acpi_start);
- int found = 0;
- int i = 0;
-
- /* Find an empty slot in the XSDT table. */
- while ( i < ACPI_MAX_NUM_TABLES )
- {
- if ( xsdt->entry[i] == 0 )
- {
- found = 1;
- break;
- }
- i++;
- }
-
- if ( found )
- {
- xsdt->entry[i] = (uint64_t)(unsigned long)entry;
- xsdt->header.length =
- sizeof(struct acpi_header) +
- (i + 1) * sizeof(uint64_t);
- set_checksum(xsdt,
- FIELD_OFFSET(struct acpi_header, checksum),
- xsdt->header.length);
- }
-
- return found;
-}
-
-/*
- add an entry to the xdst table entry pointers
- copy the given ssdt data to the current available memory at
- freemem, if it does not exceed the limit
- */
-static unsigned char *acpi_xsdt_add_entry(unsigned char *acpi_start,
- unsigned char **freemem,
- unsigned char *limit,
- unsigned char *table,
- unsigned int table_size)
-{
- struct acpi_20_xsdt *xsdt = acpi_xsdt_get(acpi_start);
- int found = 0, i = 0;
- unsigned char *addr = NULL;
-
- /* Check for an empty slot in the Xsdt table. */
- while ( i < ACPI_MAX_NUM_TABLES )
- {
- if ( xsdt->entry[i] == 0 )
- {
- found = 1;
- break;
- }
- i++;
- }
-
- if ( found )
- {
- /* memory below hard limit ? */
- if ( (*freemem + table_size) <= limit )
- {
- addr = *freemem;
- memcpy(addr, table, table_size);
- printf("Copied dyn. ACPI entry to %lx\n",(long)addr);
- *freemem += ((table_size + 0xf) & ~0xf);
-
- acpi_xsdt_add_entry_pointer(acpi_start, addr);
- }
- }
-
- return addr;
-}
diff -r 6c2c7ff6265a -r 514ed4f0e5da tools/firmware/hvmloader/acpi_utils.h
--- a/tools/firmware/hvmloader/acpi_utils.h Tue Nov 28 15:25:26 2006 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/*
- * Commonly used ACPI utility functions.
- *
- * Yu Ke, ke.yu@xxxxxxxxx
- * Copyright (c) 2005, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- */
-#ifndef ACPI_UTILS_H
-#define ACPI_UTILS_H
-
-#define FIELD_OFFSET(TYPE,Field) ((unsigned int)(&(((TYPE *) 0)->Field)))
-
-#define NULL ((void*)0)
-
-void set_checksum(void *start, int checksum_offset, int len);
-void acpi_update(unsigned char *acpi_start,
- unsigned long acpi_size,
- unsigned char *limit,
- unsigned char **freemem);
-
-struct acpi_20_rsdt *acpi_rsdt_get(unsigned char *acpi_start);
-struct acpi_20_xsdt *acpi_xsdt_get(unsigned char *acpi_start);
-
-#endif
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