Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Robert Moore | 302 | 33.52% | 15 | 33.33% |
Linus Torvalds (pre-git) | 179 | 19.87% | 4 | 8.89% |
Valery A. Podrezov | 128 | 14.21% | 1 | 2.22% |
Linus Torvalds | 79 | 8.77% | 4 | 8.89% |
Lv Zheng | 78 | 8.66% | 5 | 11.11% |
Lin Ming | 56 | 6.22% | 5 | 11.11% |
Len Brown | 50 | 5.55% | 5 | 11.11% |
Andy Grover | 27 | 3.00% | 4 | 8.89% |
Patrick Mochel | 1 | 0.11% | 1 | 2.22% |
Erik Schmauss | 1 | 0.11% | 1 | 2.22% |
Total | 901 | 45 |
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /****************************************************************************** * * Module Name: psxface - Parser external interfaces * * Copyright (C) 2000 - 2023, Intel Corp. * *****************************************************************************/ #include <acpi/acpi.h> #include "accommon.h" #include "acparser.h" #include "acdispat.h" #include "acinterp.h" #include "actables.h" #include "acnamesp.h" #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME("psxface") /* Local Prototypes */ static void acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action); /******************************************************************************* * * FUNCTION: acpi_debug_trace * * PARAMETERS: method_name - Valid ACPI name string * debug_level - Optional level mask. 0 to use default * debug_layer - Optional layer mask. 0 to use default * flags - bit 1: one shot(1) or persistent(0) * * RETURN: Status * * DESCRIPTION: External interface to enable debug tracing during control * method execution * ******************************************************************************/ acpi_status acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags) { acpi_status status; status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { return (status); } acpi_gbl_trace_method_name = name; acpi_gbl_trace_flags = flags; acpi_gbl_trace_dbg_level = debug_level; acpi_gbl_trace_dbg_layer = debug_layer; status = AE_OK; (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return (status); } /******************************************************************************* * * FUNCTION: acpi_ps_execute_method * * PARAMETERS: info - Method info block, contains: * node - Method Node to execute * obj_desc - Method object * parameters - List of parameters to pass to the method, * terminated by NULL. Params itself may be * NULL if no parameters are being passed. * return_object - Where to put method's return value (if * any). If NULL, no value is returned. * parameter_type - Type of Parameter list * return_object - Where to put method's return value (if * any). If NULL, no value is returned. * pass_number - Parse or execute pass * * RETURN: Status * * DESCRIPTION: Execute a control method * ******************************************************************************/ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) { acpi_status status; union acpi_parse_object *op; struct acpi_walk_state *walk_state; ACPI_FUNCTION_TRACE(ps_execute_method); /* Quick validation of DSDT header */ acpi_tb_check_dsdt_header(); /* Validate the Info and method Node */ if (!info || !info->node) { return_ACPI_STATUS(AE_NULL_ENTRY); } /* Init for new method, wait on concurrency semaphore */ status = acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } /* * The caller "owns" the parameters, so give each one an extra reference */ acpi_ps_update_parameter_list(info, REF_INCREMENT); /* * Execute the method. Performs parse simultaneously */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n", info->node->name.ascii, info->node, info->obj_desc)); /* Create and init a Root Node */ op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start); if (!op) { status = AE_NO_MEMORY; goto cleanup; } /* Create and initialize a new walk state */ info->pass_number = ACPI_IMODE_EXECUTE; walk_state = acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL, NULL, NULL); if (!walk_state) { status = AE_NO_MEMORY; goto cleanup; } status = acpi_ds_init_aml_walk(walk_state, op, info->node, info->obj_desc->method.aml_start, info->obj_desc->method.aml_length, info, info->pass_number); if (ACPI_FAILURE(status)) { acpi_ds_delete_walk_state(walk_state); goto cleanup; } walk_state->method_pathname = info->full_pathname; walk_state->method_is_nested = FALSE; if (info->obj_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL) { walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL; } /* Invoke an internal method if necessary */ if (info->obj_desc->method.info_flags & ACPI_METHOD_INTERNAL_ONLY) { status = info->obj_desc->method.dispatch.implementation(walk_state); info->return_object = walk_state->return_desc; /* Cleanup states */ acpi_ds_scope_stack_clear(walk_state); acpi_ps_cleanup_scope(&walk_state->parser_state); acpi_ds_terminate_control_method(walk_state->method_desc, walk_state); acpi_ds_delete_walk_state(walk_state); goto cleanup; } /* * Start method evaluation with an implicit return of zero. * This is done for Windows compatibility. */ if (acpi_gbl_enable_interpreter_slack) { walk_state->implicit_return_obj = acpi_ut_create_integer_object((u64) 0); if (!walk_state->implicit_return_obj) { status = AE_NO_MEMORY; acpi_ds_delete_walk_state(walk_state); goto cleanup; } } /* Parse the AML */ status = acpi_ps_parse_aml(walk_state); /* walk_state was deleted by parse_aml */ cleanup: acpi_ps_delete_parse_tree(op); /* Take away the extra reference that we gave the parameters above */ acpi_ps_update_parameter_list(info, REF_DECREMENT); /* Exit now if error above */ if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } /* * If the method has returned an object, signal this to the caller with * a control exception code */ if (info->return_object) { ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n", info->return_object)); ACPI_DUMP_STACK_ENTRY(info->return_object); status = AE_CTRL_RETURN_VALUE; } return_ACPI_STATUS(status); } /******************************************************************************* * * FUNCTION: acpi_ps_execute_table * * PARAMETERS: info - Method info block, contains: * node - Node to where the is entered into the * namespace * obj_desc - Pseudo method object describing the AML * code of the entire table * pass_number - Parse or execute pass * * RETURN: Status * * DESCRIPTION: Execute a table * ******************************************************************************/ acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info) { acpi_status status; union acpi_parse_object *op = NULL; struct acpi_walk_state *walk_state = NULL; ACPI_FUNCTION_TRACE(ps_execute_table); /* Create and init a Root Node */ op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start); if (!op) { status = AE_NO_MEMORY; goto cleanup; } /* Create and initialize a new walk state */ walk_state = acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL, NULL, NULL); if (!walk_state) { status = AE_NO_MEMORY; goto cleanup; } status = acpi_ds_init_aml_walk(walk_state, op, info->node, info->obj_desc->method.aml_start, info->obj_desc->method.aml_length, info, info->pass_number); if (ACPI_FAILURE(status)) { goto cleanup; } walk_state->method_pathname = info->full_pathname; walk_state->method_is_nested = FALSE; if (info->obj_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL) { walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL; } /* Info->Node is the default location to load the table */ if (info->node && info->node != acpi_gbl_root_node) { status = acpi_ds_scope_stack_push(info->node, ACPI_TYPE_METHOD, walk_state); if (ACPI_FAILURE(status)) { goto cleanup; } } /* * Parse the AML, walk_state will be deleted by parse_aml */ acpi_ex_enter_interpreter(); status = acpi_ps_parse_aml(walk_state); acpi_ex_exit_interpreter(); walk_state = NULL; cleanup: if (walk_state) { acpi_ds_delete_walk_state(walk_state); } if (op) { acpi_ps_delete_parse_tree(op); } return_ACPI_STATUS(status); } /******************************************************************************* * * FUNCTION: acpi_ps_update_parameter_list * * PARAMETERS: info - See struct acpi_evaluate_info * (Used: parameter_type and Parameters) * action - Add or Remove reference * * RETURN: Status * * DESCRIPTION: Update reference count on all method parameter objects * ******************************************************************************/ static void acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action) { u32 i; if (info->parameters) { /* Update reference count for each parameter */ for (i = 0; info->parameters[i]; i++) { /* Ignore errors, just do them all */ (void)acpi_ut_update_object_reference(info-> parameters[i], action); } } }
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