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authorJiang, Yunhong <yunhong.jiang@intel.com>2017-05-23 17:55:06 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-05-23 17:55:06 +0000
commit0f6296e038b5c299654d596026e7bee5aa723e56 (patch)
treea51b545d58c8128abfd6caa9ca43d32343011f62 /qemu/hw/acpi/aml-build.c
parentc4d68bc45aa6aa8b7fe39bce206cb17c2cb2d365 (diff)
parentbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (diff)
Merge "Adding qemu as a submodule of KVMFORNFV"
Diffstat (limited to 'qemu/hw/acpi/aml-build.c')
-rw-r--r--qemu/hw/acpi/aml-build.c1565
1 files changed, 0 insertions, 1565 deletions
diff --git a/qemu/hw/acpi/aml-build.c b/qemu/hw/acpi/aml-build.c
deleted file mode 100644
index ab89ca638..000000000
--- a/qemu/hw/acpi/aml-build.c
+++ /dev/null
@@ -1,1565 +0,0 @@
-/* Support for generating ACPI tables and passing them to Guests
- *
- * Copyright (C) 2015 Red Hat Inc
- *
- * Author: Michael S. Tsirkin <mst@redhat.com>
- * Author: Igor Mammedov <imammedo@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include <glib/gprintf.h>
-#include "hw/acpi/aml-build.h"
-#include "qemu/bswap.h"
-#include "qemu/bitops.h"
-#include "hw/acpi/bios-linker-loader.h"
-
-static GArray *build_alloc_array(void)
-{
- return g_array_new(false, true /* clear */, 1);
-}
-
-static void build_free_array(GArray *array)
-{
- g_array_free(array, true);
-}
-
-static void build_prepend_byte(GArray *array, uint8_t val)
-{
- g_array_prepend_val(array, val);
-}
-
-static void build_append_byte(GArray *array, uint8_t val)
-{
- g_array_append_val(array, val);
-}
-
-static void build_append_array(GArray *array, GArray *val)
-{
- g_array_append_vals(array, val->data, val->len);
-}
-
-#define ACPI_NAMESEG_LEN 4
-
-static void
-build_append_nameseg(GArray *array, const char *seg)
-{
- int len;
-
- len = strlen(seg);
- assert(len <= ACPI_NAMESEG_LEN);
-
- g_array_append_vals(array, seg, len);
- /* Pad up to ACPI_NAMESEG_LEN characters if necessary. */
- g_array_append_vals(array, "____", ACPI_NAMESEG_LEN - len);
-}
-
-static void GCC_FMT_ATTR(2, 0)
-build_append_namestringv(GArray *array, const char *format, va_list ap)
-{
- char *s;
- char **segs;
- char **segs_iter;
- int seg_count = 0;
-
- s = g_strdup_vprintf(format, ap);
- segs = g_strsplit(s, ".", 0);
- g_free(s);
-
- /* count segments */
- segs_iter = segs;
- while (*segs_iter) {
- ++segs_iter;
- ++seg_count;
- }
- /*
- * ACPI 5.0 spec: 20.2.2 Name Objects Encoding:
- * "SegCount can be from 1 to 255"
- */
- assert(seg_count > 0 && seg_count <= 255);
-
- /* handle RootPath || PrefixPath */
- s = *segs;
- while (*s == '\\' || *s == '^') {
- build_append_byte(array, *s);
- ++s;
- }
-
- switch (seg_count) {
- case 1:
- if (!*s) {
- build_append_byte(array, 0x00); /* NullName */
- } else {
- build_append_nameseg(array, s);
- }
- break;
-
- case 2:
- build_append_byte(array, 0x2E); /* DualNamePrefix */
- build_append_nameseg(array, s);
- build_append_nameseg(array, segs[1]);
- break;
- default:
- build_append_byte(array, 0x2F); /* MultiNamePrefix */
- build_append_byte(array, seg_count);
-
- /* handle the 1st segment manually due to prefix/root path */
- build_append_nameseg(array, s);
-
- /* add the rest of segments */
- segs_iter = segs + 1;
- while (*segs_iter) {
- build_append_nameseg(array, *segs_iter);
- ++segs_iter;
- }
- break;
- }
- g_strfreev(segs);
-}
-
-GCC_FMT_ATTR(2, 3)
-static void build_append_namestring(GArray *array, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- build_append_namestringv(array, format, ap);
- va_end(ap);
-}
-
-/* 5.4 Definition Block Encoding */
-enum {
- PACKAGE_LENGTH_1BYTE_SHIFT = 6, /* Up to 63 - use extra 2 bits. */
- PACKAGE_LENGTH_2BYTE_SHIFT = 4,
- PACKAGE_LENGTH_3BYTE_SHIFT = 12,
- PACKAGE_LENGTH_4BYTE_SHIFT = 20,
-};
-
-static void
-build_prepend_package_length(GArray *package, unsigned length, bool incl_self)
-{
- uint8_t byte;
- unsigned length_bytes;
-
- if (length + 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT)) {
- length_bytes = 1;
- } else if (length + 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT)) {
- length_bytes = 2;
- } else if (length + 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT)) {
- length_bytes = 3;
- } else {
- length_bytes = 4;
- }
-
- /*
- * NamedField uses PkgLength encoding but it doesn't include length
- * of PkgLength itself.
- */
- if (incl_self) {
- /*
- * PkgLength is the length of the inclusive length of the data
- * and PkgLength's length itself when used for terms with
- * explitit length.
- */
- length += length_bytes;
- }
-
- switch (length_bytes) {
- case 1:
- byte = length;
- build_prepend_byte(package, byte);
- return;
- case 4:
- byte = length >> PACKAGE_LENGTH_4BYTE_SHIFT;
- build_prepend_byte(package, byte);
- length &= (1 << PACKAGE_LENGTH_4BYTE_SHIFT) - 1;
- /* fall through */
- case 3:
- byte = length >> PACKAGE_LENGTH_3BYTE_SHIFT;
- build_prepend_byte(package, byte);
- length &= (1 << PACKAGE_LENGTH_3BYTE_SHIFT) - 1;
- /* fall through */
- case 2:
- byte = length >> PACKAGE_LENGTH_2BYTE_SHIFT;
- build_prepend_byte(package, byte);
- length &= (1 << PACKAGE_LENGTH_2BYTE_SHIFT) - 1;
- /* fall through */
- }
- /*
- * Most significant two bits of byte zero indicate how many following bytes
- * are in PkgLength encoding.
- */
- byte = ((length_bytes - 1) << PACKAGE_LENGTH_1BYTE_SHIFT) | length;
- build_prepend_byte(package, byte);
-}
-
-static void
-build_append_pkg_length(GArray *array, unsigned length, bool incl_self)
-{
- GArray *tmp = build_alloc_array();
-
- build_prepend_package_length(tmp, length, incl_self);
- build_append_array(array, tmp);
- build_free_array(tmp);
-}
-
-static void build_package(GArray *package, uint8_t op)
-{
- build_prepend_package_length(package, package->len, true);
- build_prepend_byte(package, op);
-}
-
-static void build_extop_package(GArray *package, uint8_t op)
-{
- build_package(package, op);
- build_prepend_byte(package, 0x5B); /* ExtOpPrefix */
-}
-
-static void build_append_int_noprefix(GArray *table, uint64_t value, int size)
-{
- int i;
-
- for (i = 0; i < size; ++i) {
- build_append_byte(table, value & 0xFF);
- value = value >> 8;
- }
-}
-
-static void build_append_int(GArray *table, uint64_t value)
-{
- if (value == 0x00) {
- build_append_byte(table, 0x00); /* ZeroOp */
- } else if (value == 0x01) {
- build_append_byte(table, 0x01); /* OneOp */
- } else if (value <= 0xFF) {
- build_append_byte(table, 0x0A); /* BytePrefix */
- build_append_int_noprefix(table, value, 1);
- } else if (value <= 0xFFFF) {
- build_append_byte(table, 0x0B); /* WordPrefix */
- build_append_int_noprefix(table, value, 2);
- } else if (value <= 0xFFFFFFFF) {
- build_append_byte(table, 0x0C); /* DWordPrefix */
- build_append_int_noprefix(table, value, 4);
- } else {
- build_append_byte(table, 0x0E); /* QWordPrefix */
- build_append_int_noprefix(table, value, 8);
- }
-}
-
-/*
- * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword,
- * and return the offset to 0x00000000 for runtime patching.
- *
- * Warning: runtime patching is best avoided. Only use this as
- * a replacement for DataTableRegion (for guests that don't
- * support it).
- */
-int
-build_append_named_dword(GArray *array, const char *name_format, ...)
-{
- int offset;
- va_list ap;
-
- build_append_byte(array, 0x08); /* NameOp */
- va_start(ap, name_format);
- build_append_namestringv(array, name_format, ap);
- va_end(ap);
-
- build_append_byte(array, 0x0C); /* DWordPrefix */
-
- offset = array->len;
- build_append_int_noprefix(array, 0x00000000, 4);
- assert(array->len == offset + 4);
-
- return offset;
-}
-
-static GPtrArray *alloc_list;
-
-static Aml *aml_alloc(void)
-{
- Aml *var = g_new0(typeof(*var), 1);
-
- g_ptr_array_add(alloc_list, var);
- var->block_flags = AML_NO_OPCODE;
- var->buf = build_alloc_array();
- return var;
-}
-
-static Aml *aml_opcode(uint8_t op)
-{
- Aml *var = aml_alloc();
-
- var->op = op;
- var->block_flags = AML_OPCODE;
- return var;
-}
-
-static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags)
-{
- Aml *var = aml_alloc();
-
- var->op = op;
- var->block_flags = flags;
- return var;
-}
-
-static void aml_free(gpointer data, gpointer user_data)
-{
- Aml *var = data;
- build_free_array(var->buf);
- g_free(var);
-}
-
-Aml *init_aml_allocator(void)
-{
- Aml *var;
-
- assert(!alloc_list);
- alloc_list = g_ptr_array_new();
- var = aml_alloc();
- return var;
-}
-
-void free_aml_allocator(void)
-{
- g_ptr_array_foreach(alloc_list, aml_free, NULL);
- g_ptr_array_free(alloc_list, true);
- alloc_list = 0;
-}
-
-/* pack data with DefBuffer encoding */
-static void build_buffer(GArray *array, uint8_t op)
-{
- GArray *data = build_alloc_array();
-
- build_append_int(data, array->len);
- g_array_prepend_vals(array, data->data, data->len);
- build_free_array(data);
- build_package(array, op);
-}
-
-void aml_append(Aml *parent_ctx, Aml *child)
-{
- GArray *buf = build_alloc_array();
- build_append_array(buf, child->buf);
-
- switch (child->block_flags) {
- case AML_OPCODE:
- build_append_byte(parent_ctx->buf, child->op);
- break;
- case AML_EXT_PACKAGE:
- build_extop_package(buf, child->op);
- break;
- case AML_PACKAGE:
- build_package(buf, child->op);
- break;
- case AML_RES_TEMPLATE:
- build_append_byte(buf, 0x79); /* EndTag */
- /*
- * checksum operations are treated as succeeded if checksum
- * field is zero. [ACPI Spec 1.0b, 6.4.2.8 End Tag]
- */
- build_append_byte(buf, 0);
- /* fall through, to pack resources in buffer */
- case AML_BUFFER:
- build_buffer(buf, child->op);
- break;
- case AML_NO_OPCODE:
- break;
- default:
- assert(0);
- break;
- }
- build_append_array(parent_ctx->buf, buf);
- build_free_array(buf);
-}
-
-/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */
-Aml *aml_scope(const char *name_format, ...)
-{
- va_list ap;
- Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE);
- va_start(ap, name_format);
- build_append_namestringv(var->buf, name_format, ap);
- va_end(ap);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */
-Aml *aml_return(Aml *val)
-{
- Aml *var = aml_opcode(0xA4 /* ReturnOp */);
- aml_append(var, val);
- return var;
-}
-
-/*
- * ACPI 1.0b: 16.2.3 Data Objects Encoding:
- * encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp
- */
-Aml *aml_int(const uint64_t val)
-{
- Aml *var = aml_alloc();
- build_append_int(var->buf, val);
- return var;
-}
-
-/*
- * helper to construct NameString, which returns Aml object
- * for using with aml_append or other aml_* terms
- */
-Aml *aml_name(const char *name_format, ...)
-{
- va_list ap;
- Aml *var = aml_alloc();
- va_start(ap, name_format);
- build_append_namestringv(var->buf, name_format, ap);
- va_end(ap);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */
-Aml *aml_name_decl(const char *name, Aml *val)
-{
- Aml *var = aml_opcode(0x08 /* NameOp */);
- build_append_namestring(var->buf, "%s", name);
- aml_append(var, val);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */
-Aml *aml_arg(int pos)
-{
- Aml *var;
- uint8_t op = 0x68 /* ARG0 op */ + pos;
-
- assert(pos <= 6);
- var = aml_opcode(op);
- return var;
-}
-
-/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */
-Aml *aml_to_integer(Aml *arg)
-{
- Aml *var = aml_opcode(0x99 /* ToIntegerOp */);
- aml_append(var, arg);
- build_append_byte(var->buf, 0x00 /* NullNameOp */);
- return var;
-}
-
-/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */
-Aml *aml_to_hexstring(Aml *src, Aml *dst)
-{
- Aml *var = aml_opcode(0x98 /* ToHexStringOp */);
- aml_append(var, src);
- if (dst) {
- aml_append(var, dst);
- } else {
- build_append_byte(var->buf, 0x00 /* NullNameOp */);
- }
- return var;
-}
-
-/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */
-Aml *aml_to_buffer(Aml *src, Aml *dst)
-{
- Aml *var = aml_opcode(0x96 /* ToBufferOp */);
- aml_append(var, src);
- if (dst) {
- aml_append(var, dst);
- } else {
- build_append_byte(var->buf, 0x00 /* NullNameOp */);
- }
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
-Aml *aml_store(Aml *val, Aml *target)
-{
- Aml *var = aml_opcode(0x70 /* StoreOp */);
- aml_append(var, val);
- aml_append(var, target);
- return var;
-}
-
-/**
- * build_opcode_2arg_dst:
- * @op: 1-byte opcode
- * @arg1: 1st operand
- * @arg2: 2nd operand
- * @dst: optional target to store to, set to NULL if it's not required
- *
- * An internal helper to compose AML terms that have
- * "Op Operand Operand Target"
- * pattern.
- *
- * Returns: The newly allocated and composed according to patter Aml object.
- */
-static Aml *
-build_opcode_2arg_dst(uint8_t op, Aml *arg1, Aml *arg2, Aml *dst)
-{
- Aml *var = aml_opcode(op);
- aml_append(var, arg1);
- aml_append(var, arg2);
- if (dst) {
- aml_append(var, dst);
- } else {
- build_append_byte(var->buf, 0x00 /* NullNameOp */);
- }
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */
-Aml *aml_and(Aml *arg1, Aml *arg2, Aml *dst)
-{
- return build_opcode_2arg_dst(0x7B /* AndOp */, arg1, arg2, dst);
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */
-Aml *aml_or(Aml *arg1, Aml *arg2, Aml *dst)
-{
- return build_opcode_2arg_dst(0x7D /* OrOp */, arg1, arg2, dst);
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */
-Aml *aml_lor(Aml *arg1, Aml *arg2)
-{
- Aml *var = aml_opcode(0x91 /* LOrOp */);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */
-Aml *aml_shiftleft(Aml *arg1, Aml *count)
-{
- return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1, count, NULL);
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */
-Aml *aml_shiftright(Aml *arg1, Aml *count, Aml *dst)
-{
- return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst);
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */
-Aml *aml_lless(Aml *arg1, Aml *arg2)
-{
- Aml *var = aml_opcode(0x95 /* LLessOp */);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */
-Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst)
-{
- return build_opcode_2arg_dst(0x72 /* AddOp */, arg1, arg2, dst);
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */
-Aml *aml_subtract(Aml *arg1, Aml *arg2, Aml *dst)
-{
- return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1, arg2, dst);
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */
-Aml *aml_increment(Aml *arg)
-{
- Aml *var = aml_opcode(0x75 /* IncrementOp */);
- aml_append(var, arg);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */
-Aml *aml_decrement(Aml *arg)
-{
- Aml *var = aml_opcode(0x76 /* DecrementOp */);
- aml_append(var, arg);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */
-Aml *aml_index(Aml *arg1, Aml *idx)
-{
- return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL);
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */
-Aml *aml_notify(Aml *arg1, Aml *arg2)
-{
- Aml *var = aml_opcode(0x86 /* NotifyOp */);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* helper to call method with 1 argument */
-Aml *aml_call0(const char *method)
-{
- Aml *var = aml_alloc();
- build_append_namestring(var->buf, "%s", method);
- return var;
-}
-
-/* helper to call method with 1 argument */
-Aml *aml_call1(const char *method, Aml *arg1)
-{
- Aml *var = aml_alloc();
- build_append_namestring(var->buf, "%s", method);
- aml_append(var, arg1);
- return var;
-}
-
-/* helper to call method with 2 arguments */
-Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2)
-{
- Aml *var = aml_alloc();
- build_append_namestring(var->buf, "%s", method);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* helper to call method with 3 arguments */
-Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3)
-{
- Aml *var = aml_alloc();
- build_append_namestring(var->buf, "%s", method);
- aml_append(var, arg1);
- aml_append(var, arg2);
- aml_append(var, arg3);
- return var;
-}
-
-/* helper to call method with 4 arguments */
-Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4)
-{
- Aml *var = aml_alloc();
- build_append_namestring(var->buf, "%s", method);
- aml_append(var, arg1);
- aml_append(var, arg2);
- aml_append(var, arg3);
- aml_append(var, arg4);
- return var;
-}
-
-/*
- * ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor
- * Type 1, Large Item Name 0xC
- */
-
-static Aml *aml_gpio_connection(AmlGpioConnectionType type,
- AmlConsumerAndProducer con_and_pro,
- uint8_t flags, AmlPinConfig pin_config,
- uint16_t output_drive,
- uint16_t debounce_timeout,
- const uint32_t pin_list[], uint32_t pin_count,
- const char *resource_source_name,
- const uint8_t *vendor_data,
- uint16_t vendor_data_len)
-{
- Aml *var = aml_alloc();
- const uint16_t min_desc_len = 0x16;
- uint16_t resource_source_name_len, length;
- uint16_t pin_table_offset, resource_source_name_offset, vendor_data_offset;
- uint32_t i;
-
- assert(resource_source_name);
- resource_source_name_len = strlen(resource_source_name) + 1;
- length = min_desc_len + resource_source_name_len + vendor_data_len;
- pin_table_offset = min_desc_len + 1;
- resource_source_name_offset = pin_table_offset + pin_count * 2;
- vendor_data_offset = resource_source_name_offset + resource_source_name_len;
-
- build_append_byte(var->buf, 0x8C); /* GPIO Connection Descriptor */
- build_append_int_noprefix(var->buf, length, 2); /* Length */
- build_append_byte(var->buf, 1); /* Revision ID */
- build_append_byte(var->buf, type); /* GPIO Connection Type */
- /* General Flags (2 bytes) */
- build_append_int_noprefix(var->buf, con_and_pro, 2);
- /* Interrupt and IO Flags (2 bytes) */
- build_append_int_noprefix(var->buf, flags, 2);
- /* Pin Configuration 0 = Default 1 = Pull-up 2 = Pull-down 3 = No Pull */
- build_append_byte(var->buf, pin_config);
- /* Output Drive Strength (2 bytes) */
- build_append_int_noprefix(var->buf, output_drive, 2);
- /* Debounce Timeout (2 bytes) */
- build_append_int_noprefix(var->buf, debounce_timeout, 2);
- /* Pin Table Offset (2 bytes) */
- build_append_int_noprefix(var->buf, pin_table_offset, 2);
- build_append_byte(var->buf, 0); /* Resource Source Index */
- /* Resource Source Name Offset (2 bytes) */
- build_append_int_noprefix(var->buf, resource_source_name_offset, 2);
- /* Vendor Data Offset (2 bytes) */
- build_append_int_noprefix(var->buf, vendor_data_offset, 2);
- /* Vendor Data Length (2 bytes) */
- build_append_int_noprefix(var->buf, vendor_data_len, 2);
- /* Pin Number (2n bytes)*/
- for (i = 0; i < pin_count; i++) {
- build_append_int_noprefix(var->buf, pin_list[i], 2);
- }
-
- /* Resource Source Name */
- build_append_namestring(var->buf, "%s", resource_source_name);
- build_append_byte(var->buf, '\0');
-
- /* Vendor-defined Data */
- if (vendor_data != NULL) {
- g_array_append_vals(var->buf, vendor_data, vendor_data_len);
- }
-
- return var;
-}
-
-/*
- * ACPI 5.0: 19.5.53
- * GpioInt(GPIO Interrupt Connection Resource Descriptor Macro)
- */
-Aml *aml_gpio_int(AmlConsumerAndProducer con_and_pro,
- AmlLevelAndEdge edge_level,
- AmlActiveHighAndLow active_level, AmlShared shared,
- AmlPinConfig pin_config, uint16_t debounce_timeout,
- const uint32_t pin_list[], uint32_t pin_count,
- const char *resource_source_name,
- const uint8_t *vendor_data, uint16_t vendor_data_len)
-{
- uint8_t flags = edge_level | (active_level << 1) | (shared << 3);
-
- return aml_gpio_connection(AML_INTERRUPT_CONNECTION, con_and_pro, flags,
- pin_config, 0, debounce_timeout, pin_list,
- pin_count, resource_source_name, vendor_data,
- vendor_data_len);
-}
-
-/*
- * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor
- * (Type 1, Large Item Name 0x6)
- */
-Aml *aml_memory32_fixed(uint32_t addr, uint32_t size,
- AmlReadAndWrite read_and_write)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */
- build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */
- build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */
- build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */
-
- /* Range base address */
- build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */
- build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */
- build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */
- build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */
-
- /* Range length */
- build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */
- build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */
- build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */
- build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */
- return var;
-}
-
-/*
- * ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor
- * Type 1, Large Item Name 0x9
- */
-Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro,
- AmlLevelAndEdge level_and_edge,
- AmlActiveHighAndLow high_and_low, AmlShared shared,
- uint32_t *irq_list, uint8_t irq_count)
-{
- int i;
- Aml *var = aml_alloc();
- uint8_t irq_flags = con_and_pro | (level_and_edge << 1)
- | (high_and_low << 2) | (shared << 3);
- const int header_bytes_in_len = 2;
- uint16_t len = header_bytes_in_len + irq_count * sizeof(uint32_t);
-
- assert(irq_count > 0);
-
- build_append_byte(var->buf, 0x89); /* Extended irq descriptor */
- build_append_byte(var->buf, len & 0xFF); /* Length, bits[7:0] */
- build_append_byte(var->buf, len >> 8); /* Length, bits[15:8] */
- build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */
- build_append_byte(var->buf, irq_count); /* Interrupt table length */
-
- /* Interrupt Number List */
- for (i = 0; i < irq_count; i++) {
- build_append_int_noprefix(var->buf, irq_list[i], 4);
- }
- return var;
-}
-
-/* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */
-Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
- uint8_t aln, uint8_t len)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x47); /* IO port descriptor */
- build_append_byte(var->buf, dec);
- build_append_byte(var->buf, min_base & 0xff);
- build_append_byte(var->buf, (min_base >> 8) & 0xff);
- build_append_byte(var->buf, max_base & 0xff);
- build_append_byte(var->buf, (max_base >> 8) & 0xff);
- build_append_byte(var->buf, aln);
- build_append_byte(var->buf, len);
- return var;
-}
-
-/*
- * ACPI 1.0b: 6.4.2.1.1 ASL Macro for IRQ Descriptor
- *
- * More verbose description at:
- * ACPI 5.0: 19.5.64 IRQNoFlags (Interrupt Resource Descriptor Macro)
- * 6.4.2.1 IRQ Descriptor
- */
-Aml *aml_irq_no_flags(uint8_t irq)
-{
- uint16_t irq_mask;
- Aml *var = aml_alloc();
-
- assert(irq < 16);
- build_append_byte(var->buf, 0x22); /* IRQ descriptor 2 byte form */
-
- irq_mask = 1U << irq;
- build_append_byte(var->buf, irq_mask & 0xFF); /* IRQ mask bits[7:0] */
- build_append_byte(var->buf, irq_mask >> 8); /* IRQ mask bits[15:8] */
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLNot */
-Aml *aml_lnot(Aml *arg)
-{
- Aml *var = aml_opcode(0x92 /* LNotOp */);
- aml_append(var, arg);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */
-Aml *aml_equal(Aml *arg1, Aml *arg2)
-{
- Aml *var = aml_opcode(0x93 /* LequalOp */);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */
-Aml *aml_lgreater(Aml *arg1, Aml *arg2)
-{
- Aml *var = aml_opcode(0x94 /* LGreaterOp */);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */
-Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2)
-{
- /* LGreaterEqualOp := LNotOp LLessOp */
- Aml *var = aml_opcode(0x92 /* LNotOp */);
- build_append_byte(var->buf, 0x95 /* LLessOp */);
- aml_append(var, arg1);
- aml_append(var, arg2);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
-Aml *aml_if(Aml *predicate)
-{
- Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE);
- aml_append(var, predicate);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */
-Aml *aml_else(void)
-{
- Aml *var = aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */
-Aml *aml_while(Aml *predicate)
-{
- Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE);
- aml_append(var, predicate);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
-Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag)
-{
- Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE);
- int methodflags;
-
- /*
- * MethodFlags:
- * bit 0-2: ArgCount (0-7)
- * bit 3: SerializeFlag
- * 0: NotSerialized
- * 1: Serialized
- * bit 4-7: reserved (must be 0)
- */
- assert(arg_count < 8);
- methodflags = arg_count | (sflag << 3);
-
- build_append_namestring(var->buf, "%s", name);
- build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */
-Aml *aml_device(const char *name_format, ...)
-{
- va_list ap;
- Aml *var = aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE);
- va_start(ap, name_format);
- build_append_namestringv(var->buf, name_format, ap);
- va_end(ap);
- return var;
-}
-
-/* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */
-Aml *aml_resource_template(void)
-{
- /* ResourceTemplate is a buffer of Resources with EndTag at the end */
- Aml *var = aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer
- * Pass byte_list as NULL to request uninitialized buffer to reserve space.
- */
-Aml *aml_buffer(int buffer_size, uint8_t *byte_list)
-{
- int i;
- Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
-
- for (i = 0; i < buffer_size; i++) {
- if (byte_list == NULL) {
- build_append_byte(var->buf, 0x0);
- } else {
- build_append_byte(var->buf, byte_list[i]);
- }
- }
-
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */
-Aml *aml_package(uint8_t num_elements)
-{
- Aml *var = aml_bundle(0x12 /* PackageOp */, AML_PACKAGE);
- build_append_byte(var->buf, num_elements);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */
-Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
- Aml *offset, uint32_t len)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
- build_append_byte(var->buf, 0x80); /* OpRegionOp */
- build_append_namestring(var->buf, "%s", name);
- build_append_byte(var->buf, rs);
- aml_append(var, offset);
- build_append_int(var->buf, len);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */
-Aml *aml_named_field(const char *name, unsigned length)
-{
- Aml *var = aml_alloc();
- build_append_nameseg(var->buf, name);
- build_append_pkg_length(var->buf, length, false);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */
-Aml *aml_reserved_field(unsigned length)
-{
- Aml *var = aml_alloc();
- /* ReservedField := 0x00 PkgLength */
- build_append_byte(var->buf, 0x00);
- build_append_pkg_length(var->buf, length, false);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */
-Aml *aml_field(const char *name, AmlAccessType type, AmlLockRule lock,
- AmlUpdateRule rule)
-{
- Aml *var = aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE);
- uint8_t flags = rule << 5 | type;
-
- flags |= lock << 4; /* LockRule at 4 bit offset */
-
- build_append_namestring(var->buf, "%s", name);
- build_append_byte(var->buf, flags);
- return var;
-}
-
-static
-Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name)
-{
- Aml *var = aml_opcode(opcode);
- aml_append(var, srcbuf);
- aml_append(var, index);
- build_append_namestring(var->buf, "%s", name);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */
-Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits,
- const char *name)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
- build_append_byte(var->buf, 0x13); /* CreateFieldOp */
- aml_append(var, srcbuf);
- aml_append(var, bit_index);
- aml_append(var, num_bits);
- build_append_namestring(var->buf, "%s", name);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
-Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name)
-{
- return create_field_common(0x8A /* CreateDWordFieldOp */,
- srcbuf, index, name);
-}
-
-/* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */
-Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name)
-{
- return create_field_common(0x8F /* CreateQWordFieldOp */,
- srcbuf, index, name);
-}
-
-/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */
-Aml *aml_string(const char *name_format, ...)
-{
- Aml *var = aml_opcode(0x0D /* StringPrefix */);
- va_list ap;
- char *s;
- int len;
-
- va_start(ap, name_format);
- len = g_vasprintf(&s, name_format, ap);
- va_end(ap);
-
- g_array_append_vals(var->buf, s, len + 1);
- g_free(s);
-
- return var;
-}
-
-/* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */
-Aml *aml_local(int num)
-{
- Aml *var;
- uint8_t op = 0x60 /* Local0Op */ + num;
-
- assert(num <= 7);
- var = aml_opcode(op);
- return var;
-}
-
-/* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */
-Aml *aml_varpackage(uint32_t num_elements)
-{
- Aml *var = aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE);
- build_append_int(var->buf, num_elements);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */
-Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
- const char *name_format, ...)
-{
- va_list ap;
- Aml *var = aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE);
- va_start(ap, name_format);
- build_append_namestringv(var->buf, name_format, ap);
- va_end(ap);
- build_append_byte(var->buf, proc_id); /* ProcID */
- build_append_int_noprefix(var->buf, pblk_addr, sizeof(pblk_addr));
- build_append_byte(var->buf, pblk_len); /* PblkLen */
- return var;
-}
-
-static uint8_t Hex2Digit(char c)
-{
- if (c >= 'A') {
- return c - 'A' + 10;
- }
-
- return c - '0';
-}
-
-/* ACPI 1.0b: 15.2.3.6.4.1 EISAID Macro - Convert EISA ID String To Integer */
-Aml *aml_eisaid(const char *str)
-{
- Aml *var = aml_alloc();
- uint32_t id;
-
- g_assert(strlen(str) == 7);
- id = (str[0] - 0x40) << 26 |
- (str[1] - 0x40) << 21 |
- (str[2] - 0x40) << 16 |
- Hex2Digit(str[3]) << 12 |
- Hex2Digit(str[4]) << 8 |
- Hex2Digit(str[5]) << 4 |
- Hex2Digit(str[6]);
-
- build_append_byte(var->buf, 0x0C); /* DWordPrefix */
- build_append_int_noprefix(var->buf, bswap32(id), sizeof(id));
- return var;
-}
-
-/* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor: bytes 3-5 */
-static Aml *aml_as_desc_header(AmlResourceType type, AmlMinFixed min_fixed,
- AmlMaxFixed max_fixed, AmlDecode dec,
- uint8_t type_flags)
-{
- uint8_t flags = max_fixed | min_fixed | dec;
- Aml *var = aml_alloc();
-
- build_append_byte(var->buf, type);
- build_append_byte(var->buf, flags);
- build_append_byte(var->buf, type_flags); /* Type Specific Flags */
- return var;
-}
-
-/* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor */
-static Aml *aml_word_as_desc(AmlResourceType type, AmlMinFixed min_fixed,
- AmlMaxFixed max_fixed, AmlDecode dec,
- uint16_t addr_gran, uint16_t addr_min,
- uint16_t addr_max, uint16_t addr_trans,
- uint16_t len, uint8_t type_flags)
-{
- Aml *var = aml_alloc();
-
- build_append_byte(var->buf, 0x88); /* Word Address Space Descriptor */
- /* minimum length since we do not encode optional fields */
- build_append_byte(var->buf, 0x0D);
- build_append_byte(var->buf, 0x0);
-
- aml_append(var,
- aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
- build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran));
- build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min));
- build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max));
- build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans));
- build_append_int_noprefix(var->buf, len, sizeof(len));
- return var;
-}
-
-/* ACPI 1.0b: 6.4.3.5.3 DWord Address Space Descriptor */
-static Aml *aml_dword_as_desc(AmlResourceType type, AmlMinFixed min_fixed,
- AmlMaxFixed max_fixed, AmlDecode dec,
- uint32_t addr_gran, uint32_t addr_min,
- uint32_t addr_max, uint32_t addr_trans,
- uint32_t len, uint8_t type_flags)
-{
- Aml *var = aml_alloc();
-
- build_append_byte(var->buf, 0x87); /* DWord Address Space Descriptor */
- /* minimum length since we do not encode optional fields */
- build_append_byte(var->buf, 23);
- build_append_byte(var->buf, 0x0);
-
-
- aml_append(var,
- aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
- build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran));
- build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min));
- build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max));
- build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans));
- build_append_int_noprefix(var->buf, len, sizeof(len));
- return var;
-}
-
-/* ACPI 1.0b: 6.4.3.5.1 QWord Address Space Descriptor */
-static Aml *aml_qword_as_desc(AmlResourceType type, AmlMinFixed min_fixed,
- AmlMaxFixed max_fixed, AmlDecode dec,
- uint64_t addr_gran, uint64_t addr_min,
- uint64_t addr_max, uint64_t addr_trans,
- uint64_t len, uint8_t type_flags)
-{
- Aml *var = aml_alloc();
-
- build_append_byte(var->buf, 0x8A); /* QWord Address Space Descriptor */
- /* minimum length since we do not encode optional fields */
- build_append_byte(var->buf, 0x2B);
- build_append_byte(var->buf, 0x0);
-
- aml_append(var,
- aml_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
- build_append_int_noprefix(var->buf, addr_gran, sizeof(addr_gran));
- build_append_int_noprefix(var->buf, addr_min, sizeof(addr_min));
- build_append_int_noprefix(var->buf, addr_max, sizeof(addr_max));
- build_append_int_noprefix(var->buf, addr_trans, sizeof(addr_trans));
- build_append_int_noprefix(var->buf, len, sizeof(len));
- return var;
-}
-
-/*
- * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor
- *
- * More verbose description at:
- * ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro)
- */
-Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
- AmlDecode dec, uint16_t addr_gran,
- uint16_t addr_min, uint16_t addr_max,
- uint16_t addr_trans, uint16_t len)
-
-{
- return aml_word_as_desc(AML_BUS_NUMBER_RANGE, min_fixed, max_fixed, dec,
- addr_gran, addr_min, addr_max, addr_trans, len, 0);
-}
-
-/*
- * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor
- *
- * More verbose description at:
- * ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro)
- */
-Aml *aml_word_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
- AmlDecode dec, AmlISARanges isa_ranges,
- uint16_t addr_gran, uint16_t addr_min,
- uint16_t addr_max, uint16_t addr_trans,
- uint16_t len)
-
-{
- return aml_word_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec,
- addr_gran, addr_min, addr_max, addr_trans, len,
- isa_ranges);
-}
-
-/*
- * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Descriptor
- *
- * More verbose description at:
- * ACPI 5.0: 19.5.33 DWordIO (DWord IO Resource Descriptor Macro)
- */
-Aml *aml_dword_io(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
- AmlDecode dec, AmlISARanges isa_ranges,
- uint32_t addr_gran, uint32_t addr_min,
- uint32_t addr_max, uint32_t addr_trans,
- uint32_t len)
-
-{
- return aml_dword_as_desc(AML_IO_RANGE, min_fixed, max_fixed, dec,
- addr_gran, addr_min, addr_max, addr_trans, len,
- isa_ranges);
-}
-
-/*
- * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Space Descriptor
- *
- * More verbose description at:
- * ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro)
- */
-Aml *aml_dword_memory(AmlDecode dec, AmlMinFixed min_fixed,
- AmlMaxFixed max_fixed, AmlCacheable cacheable,
- AmlReadAndWrite read_and_write,
- uint32_t addr_gran, uint32_t addr_min,
- uint32_t addr_max, uint32_t addr_trans,
- uint32_t len)
-{
- uint8_t flags = read_and_write | (cacheable << 1);
-
- return aml_dword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed,
- dec, addr_gran, addr_min, addr_max,
- addr_trans, len, flags);
-}
-
-/*
- * ACPI 1.0b: 6.4.3.5.2 ASL Macros for QWORD Address Space Descriptor
- *
- * More verbose description at:
- * ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro)
- */
-Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed,
- AmlMaxFixed max_fixed, AmlCacheable cacheable,
- AmlReadAndWrite read_and_write,
- uint64_t addr_gran, uint64_t addr_min,
- uint64_t addr_max, uint64_t addr_trans,
- uint64_t len)
-{
- uint8_t flags = read_and_write | (cacheable << 1);
-
- return aml_qword_as_desc(AML_MEMORY_RANGE, min_fixed, max_fixed,
- dec, addr_gran, addr_min, addr_max,
- addr_trans, len, flags);
-}
-
-/* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */
-Aml *aml_dma(AmlDmaType typ, AmlDmaBusMaster bm, AmlTransferSize sz,
- uint8_t channel)
-{
- Aml *var = aml_alloc();
- uint8_t flags = sz | bm << 2 | typ << 5;
-
- assert(channel < 8);
- build_append_byte(var->buf, 0x2A); /* Byte 0: DMA Descriptor */
- build_append_byte(var->buf, 1U << channel); /* Byte 1: _DMA - DmaChannel */
- build_append_byte(var->buf, flags); /* Byte 2 */
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */
-Aml *aml_sleep(uint64_t msec)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
- build_append_byte(var->buf, 0x22); /* SleepOp */
- aml_append(var, aml_int(msec));
- return var;
-}
-
-static uint8_t Hex2Byte(const char *src)
-{
- int hi, lo;
-
- hi = Hex2Digit(src[0]);
- assert(hi >= 0);
- assert(hi <= 15);
-
- lo = Hex2Digit(src[1]);
- assert(lo >= 0);
- assert(lo <= 15);
- return (hi << 4) | lo;
-}
-
-/*
- * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro)
- * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp
- * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp");
- */
-Aml *aml_touuid(const char *uuid)
-{
- Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
-
- assert(strlen(uuid) == 36);
- assert(uuid[8] == '-');
- assert(uuid[13] == '-');
- assert(uuid[18] == '-');
- assert(uuid[23] == '-');
-
- build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */
- build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */
- build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */
- build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */
-
- build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */
- build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */
-
- build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */
- build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */
-
- build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */
- build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */
-
- build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */
- build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */
- build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */
- build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */
- build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */
- build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */
-
- return var;
-}
-
-/*
- * ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode)
- */
-Aml *aml_unicode(const char *str)
-{
- int i = 0;
- Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
-
- do {
- build_append_byte(var->buf, str[i]);
- build_append_byte(var->buf, 0);
- i++;
- } while (i <= strlen(str));
-
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */
-Aml *aml_derefof(Aml *arg)
-{
- Aml *var = aml_opcode(0x83 /* DerefOfOp */);
- aml_append(var, arg);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */
-Aml *aml_sizeof(Aml *arg)
-{
- Aml *var = aml_opcode(0x87 /* SizeOfOp */);
- aml_append(var, arg);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */
-Aml *aml_mutex(const char *name, uint8_t sync_level)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
- build_append_byte(var->buf, 0x01); /* MutexOp */
- build_append_namestring(var->buf, "%s", name);
- assert(!(sync_level & 0xF0));
- build_append_byte(var->buf, sync_level);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */
-Aml *aml_acquire(Aml *mutex, uint16_t timeout)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
- build_append_byte(var->buf, 0x23); /* AcquireOp */
- aml_append(var, mutex);
- build_append_int_noprefix(var->buf, timeout, sizeof(timeout));
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */
-Aml *aml_release(Aml *mutex)
-{
- Aml *var = aml_alloc();
- build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
- build_append_byte(var->buf, 0x27); /* ReleaseOp */
- aml_append(var, mutex);
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */
-Aml *aml_alias(const char *source_object, const char *alias_object)
-{
- Aml *var = aml_opcode(0x06 /* AliasOp */);
- aml_append(var, aml_name("%s", source_object));
- aml_append(var, aml_name("%s", alias_object));
- return var;
-}
-
-/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefConcat */
-Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target)
-{
- return build_opcode_2arg_dst(0x73 /* ConcatOp */, source1, source2,
- target);
-}
-
-void
-build_header(GArray *linker, GArray *table_data,
- AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
- const char *oem_id, const char *oem_table_id)
-{
- memcpy(&h->signature, sig, 4);
- h->length = cpu_to_le32(len);
- h->revision = rev;
-
- if (oem_id) {
- strncpy((char *)h->oem_id, oem_id, sizeof h->oem_id);
- } else {
- memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6);
- }
-
- if (oem_table_id) {
- strncpy((char *)h->oem_table_id, oem_table_id, sizeof(h->oem_table_id));
- } else {
- memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4);
- memcpy(h->oem_table_id + 4, sig, 4);
- }
-
- h->oem_revision = cpu_to_le32(1);
- memcpy(h->asl_compiler_id, ACPI_BUILD_APPNAME4, 4);
- h->asl_compiler_revision = cpu_to_le32(1);
- h->checksum = 0;
- /* Checksum to be filled in by Guest linker */
- bios_linker_loader_add_checksum(linker, ACPI_BUILD_TABLE_FILE,
- table_data, h, len, &h->checksum);
-}
-
-void *acpi_data_push(GArray *table_data, unsigned size)
-{
- unsigned off = table_data->len;
- g_array_set_size(table_data, off + size);
- return table_data->data + off;
-}
-
-unsigned acpi_data_len(GArray *table)
-{
- assert(g_array_get_element_size(table) == 1);
- return table->len;
-}
-
-void acpi_add_table(GArray *table_offsets, GArray *table_data)
-{
- uint32_t offset = cpu_to_le32(table_data->len);
- g_array_append_val(table_offsets, offset);
-}
-
-void acpi_build_tables_init(AcpiBuildTables *tables)
-{
- tables->rsdp = g_array_new(false, true /* clear */, 1);
- tables->table_data = g_array_new(false, true /* clear */, 1);
- tables->tcpalog = g_array_new(false, true /* clear */, 1);
- tables->linker = bios_linker_loader_init();
-}
-
-void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
-{
- void *linker_data = bios_linker_loader_cleanup(tables->linker);
- g_free(linker_data);
- g_array_free(tables->rsdp, true);
- g_array_free(tables->table_data, true);
- g_array_free(tables->tcpalog, mfre);
-}
-
-/* Build rsdt table */
-void
-build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets,
- const char *oem_id, const char *oem_table_id)
-{
- AcpiRsdtDescriptorRev1 *rsdt;
- size_t rsdt_len;
- int i;
- const int table_data_len = (sizeof(uint32_t) * table_offsets->len);
-
- rsdt_len = sizeof(*rsdt) + table_data_len;
- rsdt = acpi_data_push(table_data, rsdt_len);
- memcpy(rsdt->table_offset_entry, table_offsets->data, table_data_len);
- for (i = 0; i < table_offsets->len; ++i) {
- /* rsdt->table_offset_entry to be filled by Guest linker */
- bios_linker_loader_add_pointer(linker,
- ACPI_BUILD_TABLE_FILE,
- ACPI_BUILD_TABLE_FILE,
- table_data, &rsdt->table_offset_entry[i],
- sizeof(uint32_t));
- }
- build_header(linker, table_data,
- (void *)rsdt, "RSDT", rsdt_len, 1, oem_id, oem_table_id);
-}