^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: utmisc - common utility procedures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <acpi/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include "accommon.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "acnamesp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define _COMPONENT ACPI_UTILITIES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) ACPI_MODULE_NAME("utmisc")
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * FUNCTION: acpi_ut_is_pci_root_bridge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * PARAMETERS: id - The HID/CID in string format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
^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) u8 acpi_ut_is_pci_root_bridge(char *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * Check if this is a PCI root bridge.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * ACPI 3.0+: check for a PCI Express root also.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) if (!(strcmp(id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) PCI_ROOT_HID_STRING)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) !(strcmp(id, PCI_EXPRESS_ROOT_HID_STRING))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) return (TRUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) return (FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * FUNCTION: acpi_ut_is_aml_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * PARAMETERS: table - An ACPI table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * RETURN: TRUE if table contains executable AML; FALSE otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * Currently, these are DSDT,SSDT,PSDT. All other table types are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * data tables that do not contain AML code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /* These are the only tables that contain executable AML */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_PSDT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_SSDT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_OSDT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ACPI_IS_OEM_SIG(table->signature)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return (TRUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return (FALSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * FUNCTION: acpi_ut_dword_byte_swap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * PARAMETERS: value - Value to be converted
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * RETURN: u32 integer with bytes swapped
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) u32 acpi_ut_dword_byte_swap(u32 value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) u8 bytes[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) } out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) u8 bytes[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) } in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) in.value = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) out.bytes[0] = in.bytes[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) out.bytes[1] = in.bytes[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) out.bytes[2] = in.bytes[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) out.bytes[3] = in.bytes[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return (out.value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^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) * FUNCTION: acpi_ut_set_integer_width
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * PARAMETERS: Revision From DSDT header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * RETURN: None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * DESCRIPTION: Set the global integer bit width based upon the revision
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * of the DSDT. For Revision 1 and 0, Integers are 32 bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * For Revision 2 and above, Integers are 64 bits. Yes, this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * makes a difference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) void acpi_ut_set_integer_width(u8 revision)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (revision < 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) /* 32-bit case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) acpi_gbl_integer_bit_width = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) acpi_gbl_integer_nybble_width = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) acpi_gbl_integer_byte_width = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /* 64-bit case (ACPI 2.0+) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) acpi_gbl_integer_bit_width = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) acpi_gbl_integer_nybble_width = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) acpi_gbl_integer_byte_width = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * FUNCTION: acpi_ut_create_update_state_and_push
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * PARAMETERS: object - Object to be added to the new state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * action - Increment/Decrement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * state_list - List the state will be added to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) * DESCRIPTION: Create a new state and push it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) *
^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) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) u16 action,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) union acpi_generic_state **state_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /* Ignore null objects; these are expected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (!object) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) state = acpi_ut_create_update_state(object, action);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return (AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) acpi_ut_push_generic_state(state_list, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return (AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * FUNCTION: acpi_ut_walk_package_tree
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * PARAMETERS: source_object - The package to walk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) * target_object - Target object (if package is being copied)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * walk_callback - Called once for each package element
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) * context - Passed to the callback function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) * RETURN: Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) * DESCRIPTION: Walk through a package, including subpackages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) void *target_object,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) acpi_pkg_callback walk_callback, void *context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) acpi_status status = AE_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) union acpi_generic_state *state_list = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) union acpi_generic_state *state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) union acpi_operand_object *this_source_obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) u32 this_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) ACPI_FUNCTION_TRACE(ut_walk_package_tree);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) state = acpi_ut_create_pkg_state(source_object, target_object, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) while (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) /* Get one element of the package */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) this_index = state->pkg.index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) this_source_obj =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) state->pkg.source_object->package.elements[this_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) state->pkg.this_target_obj =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) &state->pkg.source_object->package.elements[this_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) * Check for:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * 1) An uninitialized package element. It is completely
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) * legal to declare a package and leave it uninitialized
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * 2) Not an internal object - can be a namespace node instead
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) * 3) Any type other than a package. Packages are handled in else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * case below.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) if ((!this_source_obj) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) (ACPI_GET_DESCRIPTOR_TYPE(this_source_obj) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) ACPI_DESC_TYPE_OPERAND) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) (this_source_obj->common.type != ACPI_TYPE_PACKAGE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) walk_callback(ACPI_COPY_TYPE_SIMPLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) this_source_obj, state, context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) state->pkg.index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) while (state->pkg.index >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) state->pkg.source_object->package.count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) * We've handled all of the objects at this level, This means
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) * that we have just completed a package. That package may
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) * have contained one or more packages itself.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * Delete this state and pop the previous state (package).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) acpi_ut_delete_generic_state(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) state = acpi_ut_pop_generic_state(&state_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /* Finished when there are no more states */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) * We have handled all of the objects in the top level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) * package just add the length of the package objects
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) * and exit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return_ACPI_STATUS(AE_OK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * Go back up a level and move the index past the just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * completed package object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) state->pkg.index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) /* This is a subobject of type package */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) walk_callback(ACPI_COPY_TYPE_PACKAGE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) this_source_obj, state, context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return_ACPI_STATUS(status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) * Push the current state and create a new one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * The callback above returned a new target package object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) acpi_ut_push_generic_state(&state_list, state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) state =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) acpi_ut_create_pkg_state(this_source_obj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) state->pkg.this_target_obj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (!state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) /* Free any stacked Update State objects */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) while (state_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) state =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) acpi_ut_pop_generic_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) (&state_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) acpi_ut_delete_generic_state(state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return_ACPI_STATUS(AE_NO_MEMORY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) /* We should never get here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) ACPI_ERROR((AE_INFO, "State list did not terminate correctly"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) return_ACPI_STATUS(AE_AML_INTERNAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) #ifdef ACPI_DEBUG_OUTPUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) /*******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) * FUNCTION: acpi_ut_display_init_pathname
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) * PARAMETERS: type - Object type of the node
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * obj_handle - Handle whose pathname will be displayed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * path - Additional path string to be appended.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) * (NULL if no extra path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) * RETURN: acpi_status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) acpi_ut_display_init_pathname(u8 type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct acpi_namespace_node *obj_handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) const char *path)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct acpi_buffer buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) ACPI_FUNCTION_ENTRY();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) /* Only print the path if the appropriate debug level is enabled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) /* Get the full pathname to the node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* Print what we're doing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) switch (type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) case ACPI_TYPE_METHOD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) acpi_os_printf("Executing ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) acpi_os_printf("Initializing ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) /* Print the object type and pathname */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) acpi_os_printf("%-12s %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) acpi_ut_get_type_name(type), (char *)buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) /* Extra path is used to append names like _STA, _INI, etc. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) if (path) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) acpi_os_printf(".%s", path);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) acpi_os_printf("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) ACPI_FREE(buffer.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags