diff options
Diffstat (limited to 'private/ntos/boot/veneer/vrrstart.c')
| -rw-r--r-- | private/ntos/boot/veneer/vrrstart.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/private/ntos/boot/veneer/vrrstart.c b/private/ntos/boot/veneer/vrrstart.c new file mode 100644 index 000000000..7d4ebc3f6 --- /dev/null +++ b/private/ntos/boot/veneer/vrrstart.c @@ -0,0 +1,274 @@ +/* + * + * Copyright (c) 1994 FirePower Systems Inc. + * Copyright (c) 1995 FirePower Systems, Inc. + * + * $RCSfile: vrrstart.c $ + * $Revision: 1.7 $ + * $Date: 1996/04/15 02:55:36 $ + * $Locker: $ + * + * + * Module Name: + * vrrstart.c + * + * Author: + * Shin Iwamoto at FirePower Systems Inc. + * + * History: + * 16-Jun-94 Shin Iwamoto at FirePower Systems Inc. + * Changed the property getting code using get_str_prop() + * in VrGetSystemId(). + * 14-Jun-94 Shin Iwamoto at FirePower Systems Inc. + * Added the pointer to SystemId because type mismatch happened. + * 19-May-94 Shin Iwamoto at FirePower Systems Inc. + * Added some comments. + * 13-May-94 Shin Iwamoto at FirePower Systems Inc. + * Added jump-logic to the restart address in VrRestart(). + * Added VrRestartInitialize(). + * 12-May-94 Shin Iwamoto at FirePower Systems Inc. + * Created. + * + */ + + + +#include "veneer.h" + + +// +// Static data. +// +STATIC SYSTEM_ID SystemId; + + +/* + * Name: VrEnterInteractiveMode + * + * Description: + * This function terminates the executing program and enters + * interactive mode. + * + * Arguments: + * None. + * + * Return Value: + * None. + * + */ +VOID +VrEnterInteractiveMode( + VOID + ) +{ + (VOID)OFEnter(); +} + + +/* + * Name: VrGetSystemId + * + * Description: + * This function returns a pointer to a system identification + * structure that contains information used to uniquely identify + * each system. + * + * Arguments: + * None. + * + * Return Value: + * The 16-byte system identification structure is returned. + * + */ +PSYSTEM_ID +VrGetSystemId( + VOID + ) +{ + phandle PHandle; + PCHAR Property; + PSYSTEM_ID PSystemId = &SystemId; + + if ((LONG)(PHandle = OFFinddevice("/")) == -1) { + fatal("Veneer: cannot find the root node in Open Firmware.\n"); + } + + if ((Property = get_str_prop(PHandle, "name", NOALLOC)) == (PCHAR)NULL) { + fatal("Veneer: cannot get the name property for the root node.\n"); + } + bcopy(Property, SystemId.VendorId, 8); + + if ((Property = get_str_prop(PHandle, "id", NOALLOC)) == (PCHAR)NULL) { + fatal("Veneer: cannot get the name property for the root node.\n"); + } + bcopy(Property, SystemId.ProductId, 8); + + return PSystemId; +} + + +/* + * Name: VrPowerDown + * + * Description: + * This function is identical to the VrHalt() with the additional + * feature that, the power to a system is removed if the system is + * equipped so. + * + * Arguments: + * None. + * + * Return Value: + * None. + * + */ +VOID +VrPowerDown(VOID) +{ + // XXX - This must use the HALT interface; see the PPC binding. + OFExit(); +} + + +/* + * Name: VrReboot + * + * Description: + * This function reboots the system with the same parameters used + * for the previous system load sequence. If the parameters cannot + * be reproduced, then the default system load sequence is performed. + * + * Arguments: + * None. + * + * Return Value: + * None. + * + */ +VOID +VrReboot( + VOID + ) +{ + // XXXX + // Make sure that this funciton reboots the system with the same + // parameters used for the previous system load sequence. If the + // parameters cannot be reporduced, then the default system load + // sequence is performed. + (VOID)OFBoot((PCHAR)NULL); +} + + +/* + * Name: VrRestart + * + * Description: + * This function performs the equivalent of a power-on reset. + * + * Arguments: + * None. + * + * Return Value: + * None. + * + */ +VOID +VrRestart( + VOID + ) +{ + + PRESTART_BLOCK PRestartBlock; + + // + // Detect the presence of a valid Restart Block + // + PRestartBlock = SYSTEM_BLOCK->RestartBlock; + while (PRestartBlock != (PRESTART_BLOCK)NULL) { + if (PRestartBlock->Signature == RSTB_SIGNATURE && + (PRestartBlock->Version == ARC_VERSION) && + (PRestartBlock->Revision == ARC_REVISION)) { + + break; + } + PRestartBlock = PRestartBlock->NextRestartBlock; + } + + // + // Perform a normal power-on sequence if a valid RestartBlock + // is not found. + // + if (PRestartBlock == (PRESTART_BLOCK)NULL) { + (VOID)OFBoot((PCHAR)NULL); + } + // + // Reboot the system. + // + + // + // Goto the RestartAddress, not return; + // + (VOID)(*(VOID (*)())(PRestartBlock->RestartAddress))(); +} + + +/* + * Name: VrHalt + * + * Description: + * This function exits the program. + * + * Arguments: + * None. + * + * Return Value: + * None. + * + */ +VOID +VrHalt( + VOID + ) +{ + (VOID)OFExit(); +} + + +/* + * Name: VrRestartInitialize + * + * Description: + * This function initializes restart routine addresses in the firmware + * transfer vector. + * + * Arguments: + * None. + * + * Return Value: + * None. + * + */ +VOID +VrRestartInitialize( + VOID + ) +{ + debug(VRDBG_ENTRY, "VrRestartInitialize BEGIN....\n"); + // + // Initialize Restart routine addresses in the firmware transfer vector. + // + (PARC_INTERACTIVE_MODE_ROUTINE) + SYSTEM_BLOCK->FirmwareVector[InteractiveModeRoutine] = + VrEnterInteractiveMode; + (PARC_GET_SYSTEM_ID_ROUTINE) + SYSTEM_BLOCK->FirmwareVector[GetSystemIdRoutine] = VrGetSystemId; + (PARC_POWERDOWN_ROUTINE) + SYSTEM_BLOCK->FirmwareVector[PowerDownRoutine] = VrPowerDown; + (PARC_REBOOT_ROUTINE) + SYSTEM_BLOCK->FirmwareVector[RebootRoutine] = VrReboot; + (PARC_RESTART_ROUTINE) + SYSTEM_BLOCK->FirmwareVector[RestartRoutine] = VrRestart; + (PARC_HALT_ROUTINE) + SYSTEM_BLOCK->FirmwareVector[HaltRoutine] = VrHalt; + debug(VRDBG_ENTRY, "VrRestartInitialize ....END\n"); +} |