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ACPICA: Debugger: Cleanup interface to the AML disassembler

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If the disassembler is configured out (such as when the debugger
is part of a kernel), these debugger commands are disabled:
    List
    Disassemble
Further, the Debug (single-step) command is simplified because
each line of code cannot be disassembled.

Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2018-08-10 14:42:59 -07:00 committed by Rafael J. Wysocki
parent 4a7c94c721
commit fb2ef998af
3 changed files with 22 additions and 6 deletions
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10
drivers/acpi/acpica/dbinput.c
View File

@ -763,7 +763,12 @@ acpi_db_command_dispatch(char *input_buffer,
case CMD_DISASSEMBLE:
case CMD_DISASM:
#ifdef ACPI_DISASSEMBLER
(void)acpi_db_disassemble_method(acpi_gbl_db_args[1]);
#else
acpi_os_printf
("The AML Disassembler is not configured/present\n");
#endif
break;
case CMD_DUMP:
@ -872,7 +877,12 @@ acpi_db_command_dispatch(char *input_buffer,
case CMD_LIST:
#ifdef ACPI_DISASSEMBLER
acpi_db_disassemble_aml(acpi_gbl_db_args[1], op);
#else
acpi_os_printf
("The AML Disassembler is not configured/present\n");
#endif
break;
case CMD_LOCKS:

8
drivers/acpi/acpica/dbmethod.c
View File

@ -216,6 +216,7 @@ void acpi_db_set_method_data(char *type_arg, char *index_arg, char *value_arg)
acpi_ut_remove_reference(obj_desc);
}
#ifdef ACPI_DISASSEMBLER
/*******************************************************************************
*
* FUNCTION: acpi_db_disassemble_aml
@ -242,9 +243,8 @@ void acpi_db_disassemble_aml(char *statements, union acpi_parse_object *op)
if (statements) {
num_statements = strtoul(statements, NULL, 0);
}
#ifdef ACPI_DISASSEMBLER
acpi_dm_disassemble(NULL, op, num_statements);
#endif
}
/*******************************************************************************
@ -317,8 +317,6 @@ acpi_status acpi_db_disassemble_method(char *name)
walk_state->parse_flags |= ACPI_PARSE_DISASSEMBLE;
status = acpi_ps_parse_aml(walk_state);
#ifdef ACPI_DISASSEMBLER
(void)acpi_dm_parse_deferred_ops(op);
/* Now we can disassemble the method */
@ -326,7 +324,6 @@ acpi_status acpi_db_disassemble_method(char *name)
acpi_gbl_dm_opt_verbose = FALSE;
acpi_dm_disassemble(NULL, op, 0);
acpi_gbl_dm_opt_verbose = TRUE;
#endif
acpi_ps_delete_parse_tree(op);
@ -337,6 +334,7 @@ acpi_status acpi_db_disassemble_method(char *name)
acpi_ut_release_owner_id(&obj_desc->method.owner_id);
return (AE_OK);
}
#endif
/*******************************************************************************
*

10
drivers/acpi/acpica/dbxface.c
View File

@ -10,6 +10,7 @@
#include "amlcode.h"
#include "acdebug.h"
#include "acinterp.h"
#include "acparser.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbxface")
@ -262,10 +263,17 @@ acpi_db_single_step(struct acpi_walk_state *walk_state,
}
}
/* Now we can display it */
/* Now we can disassemble and display it */
#ifdef ACPI_DISASSEMBLER
acpi_dm_disassemble(walk_state, display_op, ACPI_UINT32_MAX);
#else
/*
* The AML Disassembler is not configured - at least we can
* display the opcode value and name
*/
acpi_os_printf("AML Opcode: %4.4X %s\n", op->common.aml_opcode,
acpi_ps_get_opcode_name(op->common.aml_opcode));
#endif
if ((op->common.aml_opcode == AML_IF_OP) ||