diff options
Diffstat (limited to 'usr.sbin/acpi/acpidb/acpidb.c')
| -rw-r--r-- | usr.sbin/acpi/acpidb/acpidb.c | 521 |
1 files changed, 521 insertions, 0 deletions
diff --git a/usr.sbin/acpi/acpidb/acpidb.c b/usr.sbin/acpi/acpidb/acpidb.c new file mode 100644 index 0000000..3688caf --- /dev/null +++ b/usr.sbin/acpi/acpidb/acpidb.c @@ -0,0 +1,521 @@ +/*- + * Copyright (c) 2000-2002 Mitsuru IWASAKI <iwasaki@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <sys/stdint.h> +#include <sys/types.h> + +#include <assert.h> +#include <ctype.h> +#include <err.h> +#include <fcntl.h> +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/acdebug.h> +#include <contrib/dev/acpica/include/amlresrc.h> + +/* + * Dummy DSDT Table Header + */ + +static ACPI_TABLE_HEADER dummy_dsdt_table = { + "DSDT", 123, 1, 123, "OEMID", "OEMTBLID", 1, "CRID", 1 +}; + +/* + * Region space I/O routines on virtual machine + */ + +static int aml_debug_prompt = 1; + +struct ACPIRegionContent { + TAILQ_ENTRY(ACPIRegionContent) links; + int regtype; + ACPI_PHYSICAL_ADDRESS addr; + UINT8 value; +}; + +TAILQ_HEAD(ACPIRegionContentList, ACPIRegionContent); +static struct ACPIRegionContentList RegionContentList; + +static int aml_simulation_initialized = 0; + +ACPI_PHYSICAL_ADDRESS AeLocalGetRootPointer(void); +void AeTableOverride(ACPI_TABLE_HEADER *, ACPI_TABLE_HEADER **); + +static void aml_simulation_init(void); +static int aml_simulate_regcontent_add(int regtype, + ACPI_PHYSICAL_ADDRESS addr, + UINT8 value); +static int aml_simulate_regcontent_read(int regtype, + ACPI_PHYSICAL_ADDRESS addr, + UINT8 *valuep); +static int aml_simulate_regcontent_write(int regtype, + ACPI_PHYSICAL_ADDRESS addr, + UINT8 *valuep); +static UINT64 aml_simulate_prompt(char *msg, UINT64 def_val); +static void aml_simulation_regload(const char *dumpfile); +static void aml_simulation_regdump(const char *dumpfile); + +/* Stubs to simplify linkage to the ACPICA core subsystem. */ +ACPI_PHYSICAL_ADDRESS +AcpiOsGetRootPointer(void) +{ + + return (0); +} + +void +AeTableOverride(ACPI_TABLE_HEADER *ExistingTable, ACPI_TABLE_HEADER **NewTable) +{ +} + +void +MpSaveGpioInfo(ACPI_PARSE_OBJECT *Op, AML_RESOURCE *Resource, + UINT32 PinCount, UINT16 *PinList, char *DeviceName) +{ +} + +void +MpSaveSerialInfo(ACPI_PARSE_OBJECT *Op, AML_RESOURCE *Resource, + char *DeviceName) +{ +} + +static void +aml_simulation_init(void) +{ + + aml_simulation_initialized = 1; + TAILQ_INIT(&RegionContentList); + aml_simulation_regload("region.ini"); +} + +static int +aml_simulate_regcontent_add(int regtype, ACPI_PHYSICAL_ADDRESS addr, UINT8 value) +{ + struct ACPIRegionContent *rc; + + rc = malloc(sizeof(struct ACPIRegionContent)); + if (rc == NULL) { + return (-1); /* malloc fail */ + } + rc->regtype = regtype; + rc->addr = addr; + rc->value = value; + + TAILQ_INSERT_TAIL(&RegionContentList, rc, links); + return (0); +} + +static int +aml_simulate_regcontent_read(int regtype, ACPI_PHYSICAL_ADDRESS addr, UINT8 *valuep) +{ + struct ACPIRegionContent *rc; + + if (!aml_simulation_initialized) { + aml_simulation_init(); + } + TAILQ_FOREACH(rc, &RegionContentList, links) { + if (rc->regtype == regtype && rc->addr == addr) { + *valuep = rc->value; + return (1); /* found */ + } + } + + *valuep = 0; + return (aml_simulate_regcontent_add(regtype, addr, *valuep)); +} + +static int +aml_simulate_regcontent_write(int regtype, ACPI_PHYSICAL_ADDRESS addr, UINT8 *valuep) +{ + struct ACPIRegionContent *rc; + + if (!aml_simulation_initialized) { + aml_simulation_init(); + } + TAILQ_FOREACH(rc, &RegionContentList, links) { + if (rc->regtype == regtype && rc->addr == addr) { + rc->value = *valuep; + return (1); /* exists */ + } + } + + return (aml_simulate_regcontent_add(regtype, addr, *valuep)); +} + +static UINT64 +aml_simulate_prompt(char *msg, UINT64 def_val) +{ + char buf[16], *ep; + UINT64 val; + + val = def_val; + printf("DEBUG"); + if (msg != NULL) { + printf("%s", msg); + } + printf("(default: 0x%jx ", (uintmax_t)val); + printf(" / %ju) >>", (uintmax_t)val); + fflush(stdout); + + bzero(buf, sizeof buf); + while (1) { + if (read(0, buf, sizeof buf) == 0) { + continue; + } + if (buf[0] == '\n') { + break; /* use default value */ + } + if (buf[0] == '0' && buf[1] == 'x') { + val = strtoq(buf, &ep, 16); + } else { + val = strtoq(buf, &ep, 10); + } + break; + } + return (val); +} + +static void +aml_simulation_regload(const char *dumpfile) +{ + char buf[256], *np, *ep; + struct ACPIRegionContent rc; + FILE *fp; + + if (!aml_simulation_initialized) { + return; + } + + if ((fp = fopen(dumpfile, "r")) == NULL) { + return; + } + + while (fgets(buf, sizeof buf, fp) != NULL) { + np = buf; + /* reading region type */ + rc.regtype = strtoq(np, &ep, 10); + if (np == ep) { + continue; + } + np = ep; + + /* reading address */ + rc.addr = strtoq(np, &ep, 16); + if (np == ep) { + continue; + } + np = ep; + + /* reading value */ + rc.value = strtoq(np, &ep, 16); + if (np == ep) { + continue; + } + aml_simulate_regcontent_write(rc.regtype, rc.addr, &rc.value); + } + + fclose(fp); +} + +static void +aml_simulation_regdump(const char *dumpfile) +{ + struct ACPIRegionContent *rc; + FILE *fp; + + if (!aml_simulation_initialized) { + return; + } + if ((fp = fopen(dumpfile, "w")) == NULL) { + warn("%s", dumpfile); + return; + } + while (!TAILQ_EMPTY(&RegionContentList)) { + rc = TAILQ_FIRST(&RegionContentList); + fprintf(fp, "%d 0x%jx 0x%x\n", + rc->regtype, (uintmax_t)rc->addr, rc->value); + TAILQ_REMOVE(&RegionContentList, rc, links); + free(rc); + } + + fclose(fp); + TAILQ_INIT(&RegionContentList); +} + +/* + * Space handlers on virtual machine + */ + +static ACPI_STATUS +aml_vm_space_handler( + UINT32 SpaceID, + UINT32 Function, + ACPI_PHYSICAL_ADDRESS Address, + UINT32 BitWidth, + UINT64 *Value, + int Prompt) +{ + int state; + UINT8 val; + UINT64 value, i; + char msg[256]; + static const char *space_names[] = { + "SYSTEM_MEMORY", "SYSTEM_IO", "PCI_CONFIG", + "EC", "SMBUS", "CMOS", "PCI_BAR_TARGET"}; + + switch (Function) { + case ACPI_READ: + value = 0; + for (i = 0; (i * 8) < BitWidth; i++) { + state = aml_simulate_regcontent_read(SpaceID, + Address + i, &val); + if (state == -1) { + return (AE_NO_MEMORY); + } + value |= val << (i * 8); + } + *Value = value; + if (Prompt) { + sprintf(msg, "[read (%s, %2d, 0x%jx)]", + space_names[SpaceID], BitWidth, + (uintmax_t)Address); + *Value = aml_simulate_prompt(msg, value); + if (*Value != value) { + return(aml_vm_space_handler(SpaceID, + ACPI_WRITE, + Address, BitWidth, Value, 0)); + } + } + break; + + case ACPI_WRITE: + value = *Value; + if (Prompt) { + sprintf(msg, "[write(%s, %2d, 0x%jx)]", + space_names[SpaceID], BitWidth, + (uintmax_t)Address); + value = aml_simulate_prompt(msg, *Value); + } + *Value = value; + for (i = 0; (i * 8) < BitWidth; i++) { + val = value & 0xff; + state = aml_simulate_regcontent_write(SpaceID, + Address + i, &val); + if (state == -1) { + return (AE_NO_MEMORY); + } + value = value >> 8; + } + } + + return (AE_OK); +} + +#define DECLARE_VM_SPACE_HANDLER(name, id); \ +static ACPI_STATUS \ +aml_vm_space_handler_##name ( \ + UINT32 Function, \ + ACPI_PHYSICAL_ADDRESS Address, \ + UINT32 BitWidth, \ + UINT64 *Value) \ +{ \ + return (aml_vm_space_handler(id, Function, Address, \ + BitWidth, Value, aml_debug_prompt)); \ +} + +DECLARE_VM_SPACE_HANDLER(system_memory, ACPI_ADR_SPACE_SYSTEM_MEMORY); +DECLARE_VM_SPACE_HANDLER(system_io, ACPI_ADR_SPACE_SYSTEM_IO); +DECLARE_VM_SPACE_HANDLER(pci_config, ACPI_ADR_SPACE_PCI_CONFIG); +DECLARE_VM_SPACE_HANDLER(ec, ACPI_ADR_SPACE_EC); +DECLARE_VM_SPACE_HANDLER(smbus, ACPI_ADR_SPACE_SMBUS); +DECLARE_VM_SPACE_HANDLER(cmos, ACPI_ADR_SPACE_CMOS); +DECLARE_VM_SPACE_HANDLER(pci_bar_target,ACPI_ADR_SPACE_PCI_BAR_TARGET); + +/* + * Load DSDT data file and invoke debugger + */ + +static int +load_dsdt(const char *dsdtfile) +{ + char filetmp[PATH_MAX]; + u_int8_t *code; + struct stat sb; + int fd, fd2; + int error; + + fd = open(dsdtfile, O_RDONLY, 0); + if (fd == -1) { + perror("open"); + return (-1); + } + if (fstat(fd, &sb) == -1) { + perror("fstat"); + close(fd); + return (-1); + } + code = mmap(NULL, (size_t)sb.st_size, PROT_READ, MAP_PRIVATE, fd, (off_t)0); + if (code == NULL) { + perror("mmap"); + return (-1); + } + if ((error = AcpiInitializeSubsystem()) != AE_OK) { + return (-1); + } + + /* + * make sure DSDT data contains table header or not. + */ + if (strncmp((char *)code, "DSDT", 4) == 0) { + strncpy(filetmp, dsdtfile, sizeof(filetmp)); + } else { + mode_t mode = (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); + dummy_dsdt_table.Length = sizeof(ACPI_TABLE_HEADER) + sb.st_size; + snprintf(filetmp, sizeof(filetmp), "%s.tmp", dsdtfile); + fd2 = open(filetmp, O_WRONLY | O_CREAT | O_TRUNC, mode); + if (fd2 == -1) { + perror("open"); + return (-1); + } + write(fd2, &dummy_dsdt_table, sizeof(ACPI_TABLE_HEADER)); + + write(fd2, code, sb.st_size); + close(fd2); + } + + /* + * Install the virtual machine version of address space handlers. + */ + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_SYSTEM_MEMORY, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_system_memory, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise SystemMemory handler: %d\n", error); + return (-1); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_SYSTEM_IO, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_system_io, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise SystemIO handler: %d\n", error); + return (-1); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_PCI_CONFIG, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_pci_config, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise PciConfig handler: %d\n", error); + return (-1); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_EC, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_ec, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise EC handler: %d\n", error); + return (-1); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_SMBUS, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_smbus, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise SMBUS handler: %d\n", error); + return (-1); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_CMOS, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_cmos, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise CMOS handler: %d\n", error); + return (-1); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ACPI_ADR_SPACE_PCI_BAR_TARGET, + (ACPI_ADR_SPACE_HANDLER)aml_vm_space_handler_pci_bar_target, + NULL, NULL)) != AE_OK) { + fprintf(stderr, "could not initialise PCI BAR TARGET handler: %d\n", error); + return (-1); + } + + AcpiDbGetTableFromFile(filetmp, NULL); + + AcpiDbInitialize(); + AcpiGbl_DebuggerConfiguration = 0; + AcpiDbUserCommands(':', NULL); + + if (strcmp(dsdtfile, filetmp) != 0) { + unlink(filetmp); + } + + return (0); +} + +static void +usage(const char *progname) +{ + + printf("usage: %s dsdt_file\n", progname); + exit(1); +} + +int +main(int argc, char *argv[]) +{ + char *progname; + + progname = argv[0]; + + if (argc == 1) { + usage(progname); + } + + AcpiDbgLevel = ACPI_DEBUG_DEFAULT; + + /* + * Match kernel options for the interpreter. Global variable names + * can be found in acglobal.h. + */ + AcpiGbl_EnableInterpreterSlack = TRUE; + + aml_simulation_regload("region.ini"); + if (load_dsdt(argv[1]) == 0) { + aml_simulation_regdump("region.dmp"); + } + + return (0); +} |
