^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Module Name: psxface - Parser external interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2000 - 2020, Intel Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "acparser.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "acdispat.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "acinterp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "actables.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define _COMPONENT ACPI_PARSER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) ACPI_MODULE_NAME("psxface")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* Local Prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * FUNCTION: acpi_debug_trace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * PARAMETERS: method_name - Valid ACPI name string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * debug_level - Optional level mask. 0 to use default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * debug_layer - Optional layer mask. 0 to use default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * flags - bit 1: one shot(1) or persistent(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * DESCRIPTION: External interface to enable debug tracing during control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * method execution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) acpi_gbl_trace_method_name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) acpi_gbl_trace_flags = flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) acpi_gbl_trace_dbg_level = debug_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) acpi_gbl_trace_dbg_layer = debug_layer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return (status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * FUNCTION: acpi_ps_execute_method
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * PARAMETERS: info - Method info block, contains:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * node - Method Node to execute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) * obj_desc - Method object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) * parameters - List of parameters to pass to the method,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * terminated by NULL. Params itself may be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * NULL if no parameters are being passed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) * return_object - Where to put method's return value (if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) * any). If NULL, no value is returned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * parameter_type - Type of Parameter list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * return_object - Where to put method's return value (if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * any). If NULL, no value is returned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * pass_number - Parse or execute pass
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * DESCRIPTION: Execute a control method
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) union acpi_parse_object *op;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct acpi_walk_state *walk_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) ACPI_FUNCTION_TRACE(ps_execute_method);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Quick validation of DSDT header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) acpi_tb_check_dsdt_header();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* Validate the Info and method Node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (!info || !info->node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return_ACPI_STATUS(AE_NULL_ENTRY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /* Init for new method, wait on concurrency semaphore */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * The caller "owns" the parameters, so give each one an extra reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) acpi_ps_update_parameter_list(info, REF_INCREMENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * Execute the method. Performs parse simultaneously
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) info->node->name.ascii, info->node, info->obj_desc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) /* Create and init a Root Node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (!op) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /* Create and initialize a new walk state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) info->pass_number = ACPI_IMODE_EXECUTE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) walk_state =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (!walk_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) status = acpi_ds_init_aml_walk(walk_state, op, info->node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) info->obj_desc->method.aml_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) info->obj_desc->method.aml_length, info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) info->pass_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) acpi_ds_delete_walk_state(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) walk_state->method_pathname = info->full_pathname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) walk_state->method_is_nested = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (info->obj_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /* Invoke an internal method if necessary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (info->obj_desc->method.info_flags & ACPI_METHOD_INTERNAL_ONLY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) info->obj_desc->method.dispatch.implementation(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) info->return_object = walk_state->return_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) /* Cleanup states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) acpi_ds_scope_stack_clear(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) acpi_ps_cleanup_scope(&walk_state->parser_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) acpi_ds_terminate_control_method(walk_state->method_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) acpi_ds_delete_walk_state(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) * Start method evaluation with an implicit return of zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) * This is done for Windows compatibility.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (acpi_gbl_enable_interpreter_slack) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) walk_state->implicit_return_obj =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) acpi_ut_create_integer_object((u64) 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (!walk_state->implicit_return_obj) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) acpi_ds_delete_walk_state(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) /* Parse the AML */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) status = acpi_ps_parse_aml(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /* walk_state was deleted by parse_aml */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) acpi_ps_delete_parse_tree(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* Take away the extra reference that we gave the parameters above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) acpi_ps_update_parameter_list(info, REF_DECREMENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /* Exit now if error above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * If the method has returned an object, signal this to the caller with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) * a control exception code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (info->return_object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) info->return_object));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) ACPI_DUMP_STACK_ENTRY(info->return_object);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) status = AE_CTRL_RETURN_VALUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) * FUNCTION: acpi_ps_execute_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * PARAMETERS: info - Method info block, contains:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) * node - Node to where the is entered into the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * namespace
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) * obj_desc - Pseudo method object describing the AML
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * code of the entire table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) * pass_number - Parse or execute pass
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * DESCRIPTION: Execute a table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) acpi_status acpi_ps_execute_table(struct acpi_evaluate_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) union acpi_parse_object *op = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct acpi_walk_state *walk_state = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) ACPI_FUNCTION_TRACE(ps_execute_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) /* Create and init a Root Node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (!op) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) /* Create and initialize a new walk state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) walk_state =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) if (!walk_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) status = AE_NO_MEMORY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) status = acpi_ds_init_aml_walk(walk_state, op, info->node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) info->obj_desc->method.aml_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) info->obj_desc->method.aml_length, info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) info->pass_number);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) walk_state->method_pathname = info->full_pathname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) walk_state->method_is_nested = FALSE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) if (info->obj_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) walk_state->parse_flags |= ACPI_PARSE_MODULE_LEVEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) /* Info->Node is the default location to load the table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (info->node && info->node != acpi_gbl_root_node) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) acpi_ds_scope_stack_push(info->node, ACPI_TYPE_METHOD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) goto cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) * Parse the AML, walk_state will be deleted by parse_aml
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) acpi_ex_enter_interpreter();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) status = acpi_ps_parse_aml(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) acpi_ex_exit_interpreter();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) walk_state = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) if (walk_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) acpi_ds_delete_walk_state(walk_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (op) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) acpi_ps_delete_parse_tree(op);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) * FUNCTION: acpi_ps_update_parameter_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) * PARAMETERS: info - See struct acpi_evaluate_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * (Used: parameter_type and Parameters)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) * action - Add or Remove reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) * DESCRIPTION: Update reference count on all method parameter objects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) u32 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) if (info->parameters) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) /* Update reference count for each parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) for (i = 0; info->parameters[i]; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) /* Ignore errors, just do them all */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) (void)acpi_ut_update_object_reference(info->
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) parameters[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) action);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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