diff options
author | 2016-06-03 03:33:22 +0000 | |
---|---|---|
committer | 2016-06-03 03:33:23 +0000 | |
commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/hw/acpi/aml-build.c | |
parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
parent | 437fd90c0250dee670290f9b714253671a990160 (diff) |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/hw/acpi/aml-build.c')
-rw-r--r-- | qemu/hw/acpi/aml-build.c | 470 |
1 files changed, 409 insertions, 61 deletions
diff --git a/qemu/hw/acpi/aml-build.c b/qemu/hw/acpi/aml-build.c index 0d4b3247b..ab89ca638 100644 --- a/qemu/hw/acpi/aml-build.c +++ b/qemu/hw/acpi/aml-build.c @@ -19,12 +19,8 @@ * with this program; if not, see <http://www.gnu.org/licenses/>. */ +#include "qemu/osdep.h" #include <glib/gprintf.h> -#include <stdio.h> -#include <stdarg.h> -#include <assert.h> -#include <stdbool.h> -#include <string.h> #include "hw/acpi/aml-build.h" #include "qemu/bswap.h" #include "qemu/bitops.h" @@ -262,6 +258,34 @@ static void build_append_int(GArray *table, uint64_t value) } } +/* + * 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) @@ -427,6 +451,41 @@ Aml *aml_arg(int pos) 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) { @@ -436,44 +495,64 @@ Aml *aml_store(Aml *val, Aml *target) return var; } -/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */ -Aml *aml_and(Aml *arg1, Aml *arg2) +/** + * 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(0x7B /* AndOp */); + Aml *var = aml_opcode(op); aml_append(var, arg1); aml_append(var, arg2); - build_append_byte(var->buf, 0x00 /* NullNameOp */); + 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 *aml_or(Aml *arg1, Aml *arg2, Aml *dst) { - Aml *var = aml_opcode(0x7D /* OrOp */); + 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); - build_append_byte(var->buf, 0x00 /* NullNameOp */); return var; } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */ Aml *aml_shiftleft(Aml *arg1, Aml *count) { - Aml *var = aml_opcode(0x79 /* ShiftLeftOp */); - aml_append(var, arg1); - aml_append(var, count); - build_append_byte(var->buf, 0x00); /* NullNameOp */ - return var; + 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 *aml_shiftright(Aml *arg1, Aml *count, Aml *dst) { - Aml *var = aml_opcode(0x7A /* ShiftRightOp */); - aml_append(var, arg1); - aml_append(var, count); - build_append_byte(var->buf, 0x00); /* NullNameOp */ - return var; + return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1, count, dst); } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */ @@ -486,13 +565,15 @@ Aml *aml_lless(Aml *arg1, Aml *arg2) } /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */ -Aml *aml_add(Aml *arg1, Aml *arg2) +Aml *aml_add(Aml *arg1, Aml *arg2, Aml *dst) { - Aml *var = aml_opcode(0x72 /* AddOp */); - aml_append(var, arg1); - aml_append(var, arg2); - build_append_byte(var->buf, 0x00 /* NullNameOp */); - return var; + 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 */ @@ -503,14 +584,18 @@ Aml *aml_increment(Aml *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) { - Aml *var = aml_opcode(0x88 /* IndexOp */); - aml_append(var, arg1); - aml_append(var, idx); - build_append_byte(var->buf, 0x00 /* NullNameOp */); - return var; + return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1, idx, NULL); } /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */ @@ -523,6 +608,14 @@ Aml *aml_notify(Aml *arg1, Aml *arg2) } /* 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(); @@ -565,6 +658,94 @@ Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) } /* + * 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) */ @@ -598,23 +779,27 @@ Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro, AmlLevelAndEdge level_and_edge, AmlActiveHighAndLow high_and_low, AmlShared shared, - uint32_t irq) + 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, 6); /* Length, bits[7:0] minimum value = 6 */ - build_append_byte(var->buf, 0); /* Length, bits[15:8] minimum value = 0 */ + 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, 0x01); /* Interrupt table length = 1 */ + build_append_byte(var->buf, irq_count); /* Interrupt table length */ - /* Interrupt Number */ - build_append_byte(var->buf, extract32(irq, 0, 8)); /* bits[7:0] */ - build_append_byte(var->buf, extract32(irq, 8, 8)); /* bits[15:8] */ - build_append_byte(var->buf, extract32(irq, 16, 8)); /* bits[23:16] */ - build_append_byte(var->buf, extract32(irq, 24, 8)); /* bits[31:24] */ + /* Interrupt Number List */ + for (i = 0; i < irq_count; i++) { + build_append_int_noprefix(var->buf, irq_list[i], 4); + } return var; } @@ -672,6 +857,26 @@ Aml *aml_equal(Aml *arg1, Aml *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) { @@ -696,11 +901,24 @@ Aml *aml_while(Aml *predicate) } /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */ -Aml *aml_method(const char *name, int arg_count) +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, arg_count); /* MethodFlags: ArgCount */ + build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */ return var; } @@ -752,14 +970,14 @@ Aml *aml_package(uint8_t num_elements) /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */ Aml *aml_operation_region(const char *name, AmlRegionSpace rs, - uint32_t offset, uint32_t len) + 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); - build_append_int(var->buf, offset); + aml_append(var, offset); build_append_int(var->buf, len); return var; } @@ -784,27 +1002,57 @@ Aml *aml_reserved_field(unsigned length) } /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */ -Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule) +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; } -/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ -Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) +static +Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) { - Aml *var = aml_alloc(); - build_append_byte(var->buf, 0x8A); /* CreateDWordFieldOp */ + 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, ...) { @@ -1065,6 +1313,30 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, 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; @@ -1135,23 +1407,100 @@ Aml *aml_unicode(const char *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) + 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; - memcpy(h->oem_id, ACPI_BUILD_APPNAME6, 6); - memcpy(h->oem_table_id, ACPI_BUILD_APPNAME4, 4); - memcpy(h->oem_table_id + 4, sig, 4); + + 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->data, h, len, &h->checksum); + table_data, h, len, &h->checksum); } void *acpi_data_push(GArray *table_data, unsigned size) @@ -1163,9 +1512,7 @@ void *acpi_data_push(GArray *table_data, unsigned size) unsigned acpi_data_len(GArray *table) { -#if GLIB_CHECK_VERSION(2, 22, 0) assert(g_array_get_element_size(table) == 1); -#endif return table->len; } @@ -1194,7 +1541,8 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre) /* Build rsdt table */ void -build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets) +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; @@ -1213,5 +1561,5 @@ build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets) sizeof(uint32_t)); } build_header(linker, table_data, - (void *)rsdt, "RSDT", rsdt_len, 1); + (void *)rsdt, "RSDT", rsdt_len, 1, oem_id, oem_table_id); } |