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Diffstat (limited to 'sys/dev/acpi/uacpi/opcodes.c')
-rw-r--r--sys/dev/acpi/uacpi/opcodes.c272
1 files changed, 272 insertions, 0 deletions
diff --git a/sys/dev/acpi/uacpi/opcodes.c b/sys/dev/acpi/uacpi/opcodes.c
new file mode 100644
index 0000000..3665631
--- /dev/null
+++ b/sys/dev/acpi/uacpi/opcodes.c
@@ -0,0 +1,272 @@
+#include <uacpi/internal/opcodes.h>
+
+#ifndef UACPI_BAREBONES_MODE
+
+#define UACPI_OP(opname, opcode, props, ...) \
+ { #opname, { .decode_ops = __VA_ARGS__ }, .properties = props, .code = opcode },
+
+#define UACPI_OUT_OF_LINE_OP(opname, opcode, out_of_line_buf, props) \
+ { \
+ .name = #opname, \
+ { .indirect_decode_ops = out_of_line_buf }, \
+ .properties = props, \
+ .code = opcode, \
+ },
+
+static const struct uacpi_op_spec opcode_table[0x100] = {
+ UACPI_ENUMERATE_OPCODES
+};
+
+static const struct uacpi_op_spec ext_opcode_table[] = {
+ UACPI_ENUMERATE_EXT_OPCODES
+};
+
+#define _(op) (op & 0x00FF)
+
+static const uacpi_u8 ext_op_to_idx[0x100] = {
+ [_(UACPI_AML_OP_MutexOp)] = 1, [_(UACPI_AML_OP_EventOp)] = 2,
+ [_(UACPI_AML_OP_CondRefOfOp)] = 3, [_(UACPI_AML_OP_CreateFieldOp)] = 4,
+ [_(UACPI_AML_OP_LoadTableOp)] = 5, [_(UACPI_AML_OP_LoadOp)] = 6,
+ [_(UACPI_AML_OP_StallOp)] = 7, [_(UACPI_AML_OP_SleepOp)] = 8,
+ [_(UACPI_AML_OP_AcquireOp)] = 9, [_(UACPI_AML_OP_SignalOp)] = 10,
+ [_(UACPI_AML_OP_WaitOp)] = 11, [_(UACPI_AML_OP_ResetOp)] = 12,
+ [_(UACPI_AML_OP_ReleaseOp)] = 13, [_(UACPI_AML_OP_FromBCDOp)] = 14,
+ [_(UACPI_AML_OP_ToBCDOp)] = 15, [_(UACPI_AML_OP_UnloadOp)] = 16,
+ [_(UACPI_AML_OP_RevisionOp)] = 17, [_(UACPI_AML_OP_DebugOp)] = 18,
+ [_(UACPI_AML_OP_FatalOp)] = 19, [_(UACPI_AML_OP_TimerOp)] = 20,
+ [_(UACPI_AML_OP_OpRegionOp)] = 21, [_(UACPI_AML_OP_FieldOp)] = 22,
+ [_(UACPI_AML_OP_DeviceOp)] = 23, [_(UACPI_AML_OP_ProcessorOp)] = 24,
+ [_(UACPI_AML_OP_PowerResOp)] = 25, [_(UACPI_AML_OP_ThermalZoneOp)] = 26,
+ [_(UACPI_AML_OP_IndexFieldOp)] = 27, [_(UACPI_AML_OP_BankFieldOp)] = 28,
+ [_(UACPI_AML_OP_DataRegionOp)] = 29,
+};
+
+const struct uacpi_op_spec *uacpi_get_op_spec(uacpi_aml_op op)
+{
+ if (op > 0xFF)
+ return &ext_opcode_table[ext_op_to_idx[_(op)]];
+
+ return &opcode_table[op];
+}
+
+#define PARSE_FIELD_ELEMENTS(parse_loop_pc) \
+ /* Parse every field element found inside */ \
+ UACPI_PARSE_OP_IF_HAS_DATA, 44, \
+ /* Look at the first byte */ \
+ UACPI_PARSE_OP_LOAD_IMM, 1, \
+ \
+ /* ReservedField := 0x00 PkgLength */ \
+ UACPI_PARSE_OP_IF_LAST_EQUALS, 0x00, 3, \
+ UACPI_PARSE_OP_PKGLEN, \
+ UACPI_PARSE_OP_JMP, parse_loop_pc, \
+ \
+ /* AccessField := 0x01 AccessType AccessAttrib */ \
+ UACPI_PARSE_OP_IF_LAST_EQUALS, 0x01, 6, \
+ UACPI_PARSE_OP_LOAD_IMM, 1, \
+ UACPI_PARSE_OP_LOAD_IMM, 1, \
+ UACPI_PARSE_OP_JMP, parse_loop_pc, \
+ \
+ /* ConnectField := <0x02 NameString> | <0x02 BufferData> */ \
+ UACPI_PARSE_OP_IF_LAST_EQUALS, 0x02, 5, \
+ UACPI_PARSE_OP_TERM_ARG_UNWRAP_INTERNAL, \
+ UACPI_PARSE_OP_TYPECHECK, UACPI_OBJECT_BUFFER, \
+ UACPI_PARSE_OP_JMP, parse_loop_pc, \
+ \
+ /* ExtendedAccessField := 0x03 AccessType ExtendedAccessAttrib \
+ * AccessLength */ \
+ UACPI_PARSE_OP_IF_LAST_EQUALS, 0x03, 8, \
+ UACPI_PARSE_OP_LOAD_IMM, 1, \
+ UACPI_PARSE_OP_LOAD_IMM, 1, \
+ UACPI_PARSE_OP_LOAD_IMM, 1, \
+ UACPI_PARSE_OP_JMP, parse_loop_pc, \
+ \
+ /* NamedField := NameSeg PkgLength */ \
+ \
+ /* \
+ * Discard the immediate, as it's the first byte of the \
+ * nameseg. We don't need it. \
+ */ \
+ UACPI_PARSE_OP_ITEM_POP, \
+ UACPI_PARSE_OP_AML_PC_DECREMENT, \
+ UACPI_PARSE_OP_CREATE_NAMESTRING, \
+ UACPI_PARSE_OP_PKGLEN, \
+ UACPI_PARSE_OP_OBJECT_ALLOC_TYPED, UACPI_OBJECT_FIELD_UNIT, \
+ UACPI_PARSE_OP_JMP, parse_loop_pc, \
+ \
+ UACPI_PARSE_OP_INVOKE_HANDLER, \
+ UACPI_PARSE_OP_END
+
+uacpi_u8 uacpi_field_op_decode_ops[] = {
+ UACPI_PARSE_OP_TRACKED_PKGLEN,
+ UACPI_PARSE_OP_EXISTING_NAMESTRING,
+ UACPI_PARSE_OP_LOAD_IMM, 1,
+ PARSE_FIELD_ELEMENTS(4),
+};
+
+uacpi_u8 uacpi_bank_field_op_decode_ops[] = {
+ UACPI_PARSE_OP_TRACKED_PKGLEN,
+ UACPI_PARSE_OP_EXISTING_NAMESTRING,
+ UACPI_PARSE_OP_EXISTING_NAMESTRING,
+ UACPI_PARSE_OP_OPERAND,
+ UACPI_PARSE_OP_LOAD_IMM, 1,
+ PARSE_FIELD_ELEMENTS(6),
+};
+
+uacpi_u8 uacpi_index_field_op_decode_ops[] = {
+ UACPI_PARSE_OP_TRACKED_PKGLEN,
+ UACPI_PARSE_OP_EXISTING_NAMESTRING,
+ UACPI_PARSE_OP_EXISTING_NAMESTRING,
+ UACPI_PARSE_OP_LOAD_IMM, 1,
+ PARSE_FIELD_ELEMENTS(5),
+};
+
+uacpi_u8 uacpi_load_op_decode_ops[] = {
+ // Storage for the scope pointer, this is left as 0 in case of errors
+ UACPI_PARSE_OP_LOAD_ZERO_IMM,
+ UACPI_PARSE_OP_OBJECT_ALLOC_TYPED, UACPI_OBJECT_METHOD,
+ UACPI_PARSE_OP_TERM_ARG_UNWRAP_INTERNAL,
+ UACPI_PARSE_OP_TARGET,
+
+ /*
+ * Invoke the handler here to initialize the table. If this fails, it's
+ * expected to keep the item 0 as NULL, which is checked below to return
+ * false to the caller of Load.
+ */
+ UACPI_PARSE_OP_INVOKE_HANDLER,
+ UACPI_PARSE_OP_IF_NULL, 0, 3,
+ UACPI_PARSE_OP_LOAD_FALSE_OBJECT,
+ UACPI_PARSE_OP_JMP, 15,
+
+ UACPI_PARSE_OP_LOAD_TRUE_OBJECT,
+ UACPI_PARSE_OP_DISPATCH_TABLE_LOAD,
+
+ /*
+ * Invoke the handler a second time to initialize any AML GPE handlers that
+ * might've been loaded from this table.
+ */
+ UACPI_PARSE_OP_INVOKE_HANDLER,
+ UACPI_PARSE_OP_STORE_TO_TARGET, 3,
+ UACPI_PARSE_OP_OBJECT_TRANSFER_TO_PREV,
+ UACPI_PARSE_OP_END,
+};
+
+uacpi_u8 uacpi_load_table_op_decode_ops[] = {
+ // Storage for the scope pointer, this is left as 0 in case of errors
+ UACPI_PARSE_OP_LOAD_ZERO_IMM,
+ UACPI_PARSE_OP_OBJECT_ALLOC_TYPED, UACPI_OBJECT_METHOD,
+ // Index of the table we are going to be loaded to unref it later
+ UACPI_PARSE_OP_LOAD_ZERO_IMM,
+ // Storage for the target pointer, this is left as 0 if none was requested
+ UACPI_PARSE_OP_LOAD_ZERO_IMM,
+
+ UACPI_PARSE_OP_LOAD_INLINE_IMM, 1, 5,
+ UACPI_PARSE_OP_IF_NOT_NULL, 4, 5,
+ UACPI_PARSE_OP_STRING,
+ UACPI_PARSE_OP_IMM_DECREMENT, 4,
+ UACPI_PARSE_OP_JMP, 8,
+ UACPI_PARSE_OP_TERM_ARG_UNWRAP_INTERNAL,
+
+ /*
+ * Invoke the handler here to initialize the table. If this fails, it's
+ * expected to keep the item 0 as NULL, which is checked below to return
+ * false to the caller of Load.
+ */
+ UACPI_PARSE_OP_INVOKE_HANDLER,
+ UACPI_PARSE_OP_IF_NULL, 0, 3,
+ UACPI_PARSE_OP_LOAD_FALSE_OBJECT,
+ UACPI_PARSE_OP_OBJECT_TRANSFER_TO_PREV,
+ UACPI_PARSE_OP_END,
+
+ UACPI_PARSE_OP_LOAD_TRUE_OBJECT,
+ UACPI_PARSE_OP_DISPATCH_TABLE_LOAD,
+
+ /*
+ * Invoke the handler a second time to block the store to target in case
+ * the load above failed, as well as do any AML GPE handler initialization.
+ */
+ UACPI_PARSE_OP_INVOKE_HANDLER,
+
+ // If we were given a target to store to, do the store
+ UACPI_PARSE_OP_IF_NOT_NULL, 3, 3,
+ UACPI_PARSE_OP_STORE_TO_TARGET_INDIRECT, 3, 10,
+
+ UACPI_PARSE_OP_OBJECT_TRANSFER_TO_PREV,
+ UACPI_PARSE_OP_END,
+};
+
+#define POP(x) UACPI_PARSE_OP_##x
+
+static
+const uacpi_char *const pop_names[UACPI_PARSE_OP_MAX + 1] = {
+ [POP(END)] = "<END-OF-OP>",
+ [POP(SKIP_WITH_WARN_IF_NULL)] = "SKIP_WITH_WARN_IF_NULL",
+ [POP(EMIT_SKIP_WARN)] = "EMIT_SKIP_WARN",
+ [POP(SIMPLE_NAME)] = "SIMPLE_NAME",
+ [POP(SUPERNAME)] = "SUPERNAME",
+ [POP(SUPERNAME_OR_UNRESOLVED)] = "SUPERNAME_OR_UNRESOLVED",
+ [POP(TERM_ARG)] = "TERM_ARG",
+ [POP(TERM_ARG_UNWRAP_INTERNAL)] = "TERM_ARG_UNWRAP_INTERNAL",
+ [POP(TERM_ARG_OR_NAMED_OBJECT)] = "TERM_ARG_OR_NAMED_OBJECT",
+ [POP(TERM_ARG_OR_NAMED_OBJECT_OR_UNRESOLVED)] = "TERM_ARG_OR_NAMED_OBJECT_OR_UNRESOLVED",
+ [POP(OPERAND)] = "OPERAND",
+ [POP(STRING)] = "STRING",
+ [POP(COMPUTATIONAL_DATA)] = "COMPUTATIONAL_DATA",
+ [POP(TARGET)] = "TARGET",
+ [POP(PKGLEN)] = "PKGLEN",
+ [POP(TRACKED_PKGLEN)] = "TRACKED_PKGLEN",
+ [POP(CREATE_NAMESTRING)] = "CREATE_NAMESTRING",
+ [POP(CREATE_NAMESTRING_OR_NULL_IF_LOAD)] = "CREATE_NAMESTRING_OR_NULL_IF_LOAD",
+ [POP(EXISTING_NAMESTRING)] = "EXISTING_NAMESTRING",
+ [POP(EXISTING_NAMESTRING_OR_NULL)] = "EXISTING_NAMESTRING_OR_NULL",
+ [POP(EXISTING_NAMESTRING_OR_NULL_IF_LOAD)] = "EXISTING_NAMESTRING_OR_NULL_IF_LOAD",
+ [POP(INVOKE_HANDLER)] = "INVOKE_HANDLER",
+ [POP(OBJECT_ALLOC)] = "OBJECT_ALLOC",
+ [POP(EMPTY_OBJECT_ALLOC)] = "EMPTY_OBJECT_ALLOC",
+ [POP(OBJECT_CONVERT_TO_SHALLOW_COPY)] = "OBJECT_CONVERT_TO_SHALLOW_COPY",
+ [POP(OBJECT_CONVERT_TO_DEEP_COPY)] = "OBJECT_CONVERT_TO_DEEP_COPY",
+ [POP(OBJECT_ALLOC_TYPED)] = "OBJECT_ALLOC_TYPED",
+ [POP(RECORD_AML_PC)] = "RECORD_AML_PC",
+ [POP(LOAD_INLINE_IMM_AS_OBJECT)] = "LOAD_INLINE_IMM_AS_OBJECT",
+ [POP(LOAD_INLINE_IMM)] = "LOAD_INLINE_IMM",
+ [POP(LOAD_ZERO_IMM)] = "LOAD_ZERO_IMM",
+ [POP(LOAD_IMM)] = "LOAD_IMM",
+ [POP(LOAD_IMM_AS_OBJECT)] = "LOAD_IMM_AS_OBJECT",
+ [POP(LOAD_FALSE_OBJECT)] = "LOAD_FALSE_OBJECT",
+ [POP(LOAD_TRUE_OBJECT)] = "LOAD_TRUE_OBJECT",
+ [POP(TRUNCATE_NUMBER)] = "TRUNCATE_NUMBER",
+ [POP(TYPECHECK)] = "TYPECHECK",
+ [POP(INSTALL_NAMESPACE_NODE)] = "INSTALL_NAMESPACE_NODE",
+ [POP(OBJECT_TRANSFER_TO_PREV)] = "OBJECT_TRANSFER_TO_PREV",
+ [POP(OBJECT_COPY_TO_PREV)] = "OBJECT_COPY_TO_PREV",
+ [POP(STORE_TO_TARGET)] = "STORE_TO_TARGET",
+ [POP(STORE_TO_TARGET_INDIRECT)] = "STORE_TO_TARGET_INDIRECT",
+ [POP(UNREACHABLE)] = "UNREACHABLE",
+ [POP(BAD_OPCODE)] = "BAD_OPCODE",
+ [POP(AML_PC_DECREMENT)] = "AML_PC_DECREMENT",
+ [POP(IMM_DECREMENT)] = "IMM_DECREMENT",
+ [POP(ITEM_POP)] = "ITEM_POP",
+ [POP(DISPATCH_METHOD_CALL)] = "DISPATCH_METHOD_CALL",
+ [POP(DISPATCH_TABLE_LOAD)] = "DISPATCH_TABLE_LOAD",
+ [POP(CONVERT_NAMESTRING)] = "CONVERT_NAMESTRING",
+ [POP(IF_HAS_DATA)] = "IF_HAS_DATA",
+ [POP(IF_NULL)] = "IF_NULL",
+ [POP(IF_LAST_NULL)] = "IF_LAST_NULL",
+ [POP(IF_NOT_NULL)] = "IF_NOT_NULL",
+ [POP(IF_LAST_NOT_NULL)] = "IF_NOT_NULL",
+ [POP(IF_LAST_EQUALS)] = "IF_LAST_EQUALS",
+ [POP(IF_LAST_FALSE)] = "IF_LAST_FALSE",
+ [POP(IF_LAST_TRUE)] = "IF_LAST_TRUE",
+ [POP(SWITCH_TO_NEXT_IF_EQUALS)] = "SWITCH_TO_NEXT_IF_EQUALS",
+ [POP(IF_SWITCHED_FROM)] = "IF_SWITCHED_FROM",
+ [POP(JMP)] = "JMP",
+};
+
+const uacpi_char *uacpi_parse_op_to_string(enum uacpi_parse_op op)
+{
+ if (uacpi_unlikely(op > UACPI_PARSE_OP_MAX))
+ return "<INVALID-OP>";
+
+ return pop_names[op];
+}
+
+#endif // !UACPI_BAREBONES_MODE
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-18 16:14:57 +0000