diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/ppcn_60x/startup')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspclean.c | 30 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c | 288 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/bsptrap.S | 25 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/genpvec.c | 352 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/linkcmds | 188 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/rtems-ctor.cc | 123 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/setvec.c | 53 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/spurious.c | 171 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ppcn_60x/startup/swap.c | 63 |
9 files changed, 0 insertions, 1293 deletions
diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspclean.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspclean.c deleted file mode 100644 index 7a5db77049..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspclean.c +++ /dev/null @@ -1,30 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - */ -/* - * bsp_cleanup() - */ - -#include <rtems.h> -#include <bsp.h> - -extern void bsp_trap(); - -void bsp_cleanup( void ) -{ -#if PPCN_60X_USE_DINK - bsp_trap(); -#endif -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c deleted file mode 100644 index c7d41c07e9..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bspstart.c +++ /dev/null @@ -1,288 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - */ -/* bspstart.c - * - * This set of routines starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before any of these are invoked. - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id: - */ - -#include <string.h> - -#include <bsp.h> -#include <rtems/libio.h> -#include <rtems/libcsupport.h> -#include <pci.h> - -unsigned char ucSystemType; -unsigned char ucBoardRevMaj; -unsigned char ucBoardRevMin; -unsigned long ulMemorySize; -unsigned long ulCpuBusClock; - -/* - * The bus speed is expressed in MHz - */ -static unsigned long ulBusSpeed[] = { - 56250000, - 60000000, - 64300000, - 66666667, - 75000000, - 83333333, - 100000000, - 66666667 -}; - -/* - * The original table from the application and our copy of it with - * some changes. - */ - -extern rtems_configuration_table Configuration; -rtems_configuration_table BSP_Configuration; - -rtems_cpu_table Cpu_table; -uint32_t bsp_isr_level; - -static int stdin_fd, stdout_fd, stderr_fd; - -/* - * End of RTEMs image imported from linker - */ -extern int end; - -/* - * Use the shared implementations of the following routines - */ - -void bsp_postdriver_hook(void); -void bsp_libc_init( void *, uint32_t, int ); - -/* - * bsp_pretasking_hook - * - * BSP pretasking hook. Called just before drivers are initialized. - * Used to setup libc and install any BSP extensions. - */ - -void bsp_pretasking_hook(void) -{ - uint32_t heap_start; - uint32_t heap_size; - - heap_start = (uint32_t) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - heap_size = BSP_Configuration.work_space_start - (void *)&end; - heap_size &= 0xfffffff0; /* keep it as a multiple of 16 bytes */ - - bsp_libc_init((void *) heap_start, heap_size, 0); - - /* - * Initialise RTC hooks based on system type - */ - InitializeRTC(); - - /* - * Initialise NvRAM hooks based on system type - */ - InitializeNvRAM(); - - /* - * Initialise the PCI bus(ses) - */ - pci_initialize(); - - /* - * Initialize the Universe PCI-VME bridge - */ - InitializeUniverse(); - -#ifdef RTEMS_DEBUG - rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); -#endif - -} - -/* - * bsp_std_close - * - * Simple routine to close all standard IO streams. - */ - -void bsp_std_close( void ) -{ - close(stdin_fd); - close(stdout_fd); - close(stderr_fd); -} - -/* - * bsp_predriver_hook - * - * Before drivers are setup. - */ -void bsp_predriver_hook(void) -{ - /* bsp_spurious_initialize; ??*/ - initialize_external_exception_vector(); -} - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ - -void bsp_start( void ) -{ - unsigned char *work_space_start; - unsigned char ucBoardRev, ucMothMemType, ucEquipPres1, ucEquipPres2; - uint16_t usPVR=0; - uint8_t ucTempl, ucTemph; - uint8_t ucBanksPresent; - uint8_t ucSimmPresent; - uint32_t ulCurBank, ulTopBank; - - /* - * Determine system type - */ - inport_byte(&((PPLANARREGISTERS)0)->MotherboardMemoryType, ucMothMemType); - inport_byte(&((PPLANARREGISTERS)0)->SimmPresent, ucSimmPresent); - - inport_byte(&((PPLANARREGISTERS)0)->EquipmentPresent1, ucEquipPres1); - inport_byte(&((PPLANARREGISTERS)0)->EquipmentPresent2, ucEquipPres2); - ucSystemType=((ucMothMemType&0x03)<<1) | ((ucEquipPres1&0x80)>>7); - ucSystemType^=7; - - /* - * Determine board revision for use by rev. specific code - */ - inport_byte(&((PPLANARREGISTERS)0)->BoardRevision, ucBoardRev); - ucBoardRevMaj=ucBoardRev>>5; - ucBoardRevMin=ucBoardRev&0x1f; - - /* - * Determine the memory size by reading the end address for top - * assigned bank in the memory controller - */ - (void)PCIConfigRead8(0,0,0,0xa0, &ucBanksPresent); - for(ulCurBank=0;ulCurBank<8;ulCurBank++) - { - if((ucBanksPresent>>ulCurBank)&0x01) - { - ulTopBank=ulCurBank; - } - } - - (void)PCIConfigRead8(0,0,0,0x90+ulTopBank, &ucTempl); - (void)PCIConfigRead8(0,0,0,0x98+ulTopBank, &ucTemph); - ulMemorySize=(ucTempl+(ucTemph<<8)+1)<<20; -#if PPCN_60X_USE_DINK - ulMemorySize=0x01fe0000; -#endif - - /* - * Determine processor bus clock - */ - asm volatile ("mfpvr %0" : "=r" ((usPVR)) : "0" ((usPVR))); - - /* - * Determine processor internal clock - */ - if(ucSystemType==SYS_TYPE_PPC4) - { - if(((ucBoardRevMaj==1) && (ucBoardRevMin==0)) || - ((ucSimmPresent&0x40)==0)) - { - /* - * Rev. 1A is always 66MHz - */ - ulCpuBusClock=66666667; - } - else - { - ulCpuBusClock=83333333; - } - } - else if((((usPVR>>16)==MPC603e) && (ucSystemType!=SYS_TYPE_PPC1)) || - ((usPVR>>16)==MPC603ev) || - ((usPVR>>16)==MPC604e)) - { - ulCpuBusClock=ulBusSpeed[(ucEquipPres2&0x1c)>>2]; - } - else - { - if(((ucSystemType>SYS_TYPE_PPC1) || (ucBoardRevMaj>=5)) && - (ucEquipPres1&0x08)) - { - /* - * 66 MHz bus clock for 005 if indicated - */ - ulCpuBusClock=66666667; - } - else - { - /* - * 33 MHz bus clock for 004 always - */ - ulCpuBusClock=33333333; - } - } - - /* - * Allocate the memory for the RTEMS Work Space. This can come from - * a variety of places: hard coded address, malloc'ed from outside - * RTEMS world (e.g. simulator or primitive memory manager), or (as - * typically done by stock BSPs) by subtracting the required amount - * of work space from the last physical address on the CPU board. - */ - - work_space_start = - (unsigned char *)ulMemorySize - BSP_Configuration.work_space_size; - - if ( work_space_start <= (unsigned char *)&end ) { - DEBUG_puts( "bspstart: Not enough RAM!!!\n" ); - bsp_cleanup(); - } - - BSP_Configuration.work_space_start = work_space_start; - - /* - * initialize the CPU table for this BSP - */ - - Cpu_table.exceptions_in_RAM = TRUE; - Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ - Cpu_table.predriver_hook = bsp_predriver_hook; - Cpu_table.postdriver_hook = bsp_postdriver_hook; - Cpu_table.do_zero_of_workspace = TRUE; - Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY; - Cpu_table.clicks_per_usec = ulCpuBusClock/4000000; - -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bsptrap.S b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bsptrap.S deleted file mode 100644 index 603adb0c36..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/bsptrap.S +++ /dev/null @@ -1,25 +0,0 @@ -/* - * (c) 1998, Radstone Technology plc. - * - * - * This is an unpublished work the copyright in which vests - * in Radstone Technology plc. All rights reserved. - * - * The information contained herein is the property of Radstone - * Technology plc. and is supplied without liability for - * errors or omissions and no part may be reproduced, used or - * disclosed except as authorized by contract or other written - * permission. The copyright and the foregoing - * restriction on reproduction, use and disclosure extend to - * all the media in which this information may be - * embodied. - * - */ - -#include "ppc-asm.h" - - .file "bsptrap.s" - .text -FUNC_START(bsp_trap) - sc -FUNC_END(bsp_trap) diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/genpvec.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/genpvec.c deleted file mode 100644 index 1492196fcb..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/genpvec.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - */ -/* genpvec.c - * - * These routines handle the external exception. Multiple ISRs occur off - * of this one interrupt. - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#include <bsp.h> -#include <rtems/chain.h> -#include <assert.h> - -/* - * Proto types for this file - */ - -rtems_isr external_exception_ISR ( - rtems_vector_number vector /* IN */ -); - -#define NUM_LIRQ_HANDLERS 20 -#define NUM_LIRQ ( MAX_BOARD_IRQS - PPC_IRQ_LAST ) - -/* - * Current 8259 masks - */ -uint8_t ucMaster8259Mask; -uint8_t ucSlave8259Mask; - -/* - * Structure to for one of possible multiple interrupt handlers for - * a given interrupt. - */ -typedef struct -{ - Chain_Node Node; - rtems_isr_entry handler; /* isr routine */ - rtems_vector_number vector; /* vector number */ -} EE_ISR_Type; - -/* Note: The following will not work if we add a method to remove - * handlers at a later time. - */ - EE_ISR_Type ISR_Nodes [NUM_LIRQ_HANDLERS]; - uint16_t Nodes_Used; - Chain_Control ISR_Array [NUM_LIRQ]; - -void initialize_external_exception_vector() -{ - rtems_isr_entry previous_isr; - rtems_status_code status; - int i; - - Nodes_Used = 0; - - for (i=0; i <NUM_LIRQ; i++) - { - Chain_Initialize_empty( &ISR_Array[i] ); - } - - /* - * Initialise the 8259s - */ - outport_byte(ISA8259_M_CTRL, 0x11); /* ICW1 */ - outport_byte(ISA8259_S_CTRL, 0x11); /* ICW1 */ - outport_byte(ISA8259_M_MASK, 0x00); /* ICW2 vectors 0-7 */ - outport_byte(ISA8259_S_MASK, 0x08); /* ICW2 vectors 8-15 */ - outport_byte(ISA8259_M_MASK, 0x04); /* ICW3 cascade on IRQ2 */ - outport_byte(ISA8259_S_MASK, 0x02); /* ICW3 cascade on IRQ2 */ - outport_byte(ISA8259_M_MASK, 0x01); /* ICW4 x86 normal EOI */ - outport_byte(ISA8259_S_MASK, 0x01); /* ICW4 x86 normal EOI */ - - /* - * Enable IRQ2 cascade and disable all other interrupts - */ - ucMaster8259Mask=0xfb; - ucSlave8259Mask=0xff; - - outport_byte(ISA8259_M_MASK, ucMaster8259Mask); - outport_byte(ISA8259_S_MASK, ucSlave8259Mask); - - /* - * Set up edge/level - */ - switch(ucSystemType) - { - case SYS_TYPE_PPC1: - { - if(ucBoardRevMaj<5) - { - outport_byte(ISA8259_S_ELCR, - ELCRS_INT15_LVL); - } - else - { - outport_byte(ISA8259_S_ELCR, - ELCRS_INT9_LVL | - ELCRS_INT11_LVL | - ELCRS_INT14_LVL | - ELCRS_INT15_LVL); - } - outport_byte(ISA8259_M_ELCR, - ELCRM_INT5_LVL | - ELCRM_INT7_LVL); - break; - } - - case SYS_TYPE_PPC1a: - { - outport_byte(ISA8259_S_ELCR, - ELCRS_INT9_LVL | - ELCRS_INT11_LVL | - ELCRS_INT14_LVL | - ELCRS_INT15_LVL); - outport_byte(ISA8259_M_ELCR, - ELCRM_INT5_LVL); - break; - } - - case SYS_TYPE_PPC2: - case SYS_TYPE_PPC2a: - case SYS_TYPE_PPC4: - default: - { - outport_byte(ISA8259_S_ELCR, - ELCRS_INT9_LVL | - ELCRS_INT10_LVL | - ELCRS_INT11_LVL | - ELCRS_INT14_LVL | - ELCRS_INT15_LVL); - outport_byte(ISA8259_M_ELCR, - ELCRM_INT5_LVL | - ELCRM_INT7_LVL); - break; - } - } - - /* - * Install external_exception_ISR () as the handler for - * the General Purpose Interrupt. - */ - - status = rtems_interrupt_catch( external_exception_ISR, - PPC_IRQ_EXTERNAL, - (rtems_isr_entry *) &previous_isr ); -} - -/* - * This routine installs one of multiple ISRs for the general purpose - * inerrupt. - */ -void set_EE_vector( - rtems_isr_entry handler, /* isr routine */ - rtems_vector_number vector /* vector number */ -) -{ - uint16_t vec_idx = vector - PPCN_60X_8259_IRQ_BASE; - uint32_t index; - - assert (Nodes_Used < NUM_LIRQ_HANDLERS); - - /* - * If we have already installed this handler for this vector, then - * just reset it. - */ - - for ( index=0 ; index < Nodes_Used ; index++ ) - { - if(ISR_Nodes[index].vector == vector && - ISR_Nodes[index].handler == handler) - { - return; - } - } - - /* - * Doing things in this order makes them more atomic - */ - - Nodes_Used++; - - index = Nodes_Used - 1; - - ISR_Nodes[index].handler = handler; - ISR_Nodes[index].vector = vector; - - Chain_Append( &ISR_Array[vec_idx], &ISR_Nodes[index].Node ); - - /* - * Enable the interrupt - */ - En_Ext_Interrupt(vector); -} - -/* - * This interrupt service routine is called for an External Exception. - */ -rtems_isr external_exception_ISR ( - rtems_vector_number vector /* IN */ -) -{ - uint16_t index; - uint8_t ucISr; - EE_ISR_Type *node; - - index = *((volatile uint8_t*)IRQ_VECTOR_BASE); - - /* - * check for spurious interrupt - */ - if(index==7) - { - /* - * OCW3 select IS register - */ - outport_byte(ISA8259_M_CTRL, 0x0b); - /* - * Read IS register - */ - inport_byte(ISA8259_M_CTRL, ucISr); - if(!(ucISr & 0x80)) - { - /* - * Spurious interrupt - */ - return; - } - } - - node=(EE_ISR_Type *)ISR_Array[index].first; - while(!_Chain_Is_tail(&ISR_Array[index], (Chain_Node *)node)) - { - (*node->handler)( node->vector ); - node = (EE_ISR_Type *)node->Node.next; - } - - /* - * Dismiss the interrupt - */ - if(index&8) - { - /* - * Dismiss the interrupt in Slave first as it - * is cascaded - */ - outport_byte(ISA8259_S_CTRL, NONSPECIFIC_EOI); - } - - /* - * Dismiss the interrupt in Master - */ - outport_byte(ISA8259_M_CTRL, NONSPECIFIC_EOI); -} - -void Dis_Ext_Interrupt(int level) -{ - ISR_Level Irql; - - level-=PPCN_60X_8259_IRQ_BASE; - - if(level==2) - { - /* - * Level 2 is for cascade and must not be fiddled with - */ - return; - } - - /* - * Ensure that accesses to the mask are indivisible - */ - _ISR_Disable(Irql); - - if(level<8) - { - /* - * Interrupt is handled by Master - */ - ucMaster8259Mask|=1<<level; - outport_byte(ISA8259_M_MASK, ucMaster8259Mask); - } - else - { - /* - * Interrupt is handled by Slave - */ - ucSlave8259Mask|=1<<(level-8); - outport_byte(ISA8259_S_MASK, ucSlave8259Mask); - } - _ISR_Enable(Irql); -} - -void En_Ext_Interrupt(int level) -{ - ISR_Level Irql; - - level-=PPCN_60X_8259_IRQ_BASE; - - if(level==2) - { - /* - * Level 2 is for cascade and must not be fiddled with - */ - return; - } - - /* - * Ensure that accesses to the mask are indivisible - */ - _ISR_Disable(Irql); - - if(level<8) - { - /* - * Interrupt is handled by Master - */ - ucMaster8259Mask&=~(1<<level); - outport_byte(ISA8259_M_MASK, ucMaster8259Mask); - } - else - { - /* - * Interrupt is handled by Slave - */ - ucSlave8259Mask&=~(1<<(level-8)); - outport_byte(ISA8259_S_MASK, ucSlave8259Mask); - } - - _ISR_Enable(Irql); -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/linkcmds b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/linkcmds deleted file mode 100644 index 37aec4c0c7..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/linkcmds +++ /dev/null @@ -1,188 +0,0 @@ -OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", - "elf32-powerpc") - -OUTPUT_ARCH(powerpc) -ENTRY(_start) - -/* - * Number of Decrementer countdowns per millisecond - * - * Calculated by: (66.67 Mhz * 1000) / 4 cycles per click - */ - -SECTIONS -{ - .vectors 0x00100 : - { - *(.vectors) - } - - /* Read-only sections, merged into text segment: */ - /* SDS ROM worked at 0x30000 */ - . = 0x30000; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rela.text : { *(.rela.text) } - .rela.data : { *(.rela.data) } - .rela.rodata : { *(.rela.rodata) } - .rela.got : { *(.rela.got) } - .rela.got1 : { *(.rela.got1) } - .rela.got2 : { *(.rela.got2) } - .rela.ctors : { *(.rela.ctors) } - .rela.dtors : { *(.rela.dtors) } - .rela.init : { *(.rela.init) } - .rela.fini : { *(.rela.fini) } - .rela.bss : { *(.rela.bss) } - .rela.plt : { *(.rela.plt) } - .rela.sdata : { *(.rela.sdata2) } - .rela.sbss : { *(.rela.sbss2) } - .rela.sdata2 : { *(.rela.sdata2) } - .rela.sbss2 : { *(.rela.sbss2) } - .plt : { *(.plt) } - .text : - { - *(.text) - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - *(.gnu.linkonce.t.*) - *(.descriptors) - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - } =0 - .init : { _init = .; *(.init) } - .fini : { _fini = .; *(.fini) } - .rodata : { *(.rodata*) *(.gnu.linkonce.r*) } - .rodata1 : { *(.rodata1) } - .eh_frame : { *.(eh_frame) } - _etext = .; - PROVIDE (etext = .); - PROVIDE (__SDATA2_START__ = .); - .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } - .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } - PROVIDE (__SBSS2_START__ = .); - .sbss2 : { *(.sbss2) } - PROVIDE (__SBSS2_END__ = .); - /* Adjust the address for the data segment. We want to adjust up to - the same address within the page on the next page up. It would - be more correct to do this: - . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1)); - The current expression does not correctly handle the case of a - text segment ending precisely at the end of a page; it causes the - data segment to skip a page. The above expression does not have - this problem, but it will currently (2/95) cause BFD to allocate - a single segment, combining both text and data, for this case. - This will prevent the text segment from being shared among - multiple executions of the program; I think that is more - important than losing a page of the virtual address space (note - that no actual memory is lost; the page which is skipped can not - be referenced). */ - . = ALIGN(8) + 0x40000; - PROVIDE (sdata = .); - .data : - { - *(.data) - *(.gnu.linkonce.d.*) - CONSTRUCTORS - } - PROVIDE (__EXCEPT_START__ = .); - .gcc_except_table : { *(.gcc_except_table) } - PROVIDE (__EXCEPT_END__ = .); - - .data1 : { *(.data1) } - .got1 : { *(.got1) } - .dynamic : { *(.dynamic) } - /* Put .ctors and .dtors next to the .got2 section, so that the pointers - get relocated with -mrelocatable. Also put in the .fixup pointers. - The current compiler no longer needs this, but keep it around for 2.7.2 */ - PROVIDE (_GOT2_START_ = .); - .got2 : { *(.got2) } - PROVIDE (__GOT2_END__ = .); - PROVIDE (__CTOR_LIST__ = .); - .ctors : { *(.ctors) } - PROVIDE (__CTOR_END__ = .); - PROVIDE (__DTOR_LIST__ = .); - .dtors : { *(.dtors) } - PROVIDE (__DTOR_END__ = .); - PROVIDE (_FIXUP_START_ = .); - .fixup : { *(.fixup) } - PROVIDE (_FIXUP_END_ = .); - PROVIDE (__FIXUP_END__ = .); - PROVIDE (_GOT2_END_ = .); - PROVIDE (_GOT_START_ = .); - s.got = .; - .got : { *(.got) } - .got.plt : { *(.got.plt) } - PROVIDE (_GOT_END_ = .); - PROVIDE (__GOT_END__ = .); - /* We want the small data sections together, so single-instruction offsets - can access them all, and initialized data all before uninitialized, so - we can shorten the on-disk segment size. */ - PROVIDE (__SDATA_START__ = .); - .sdata : { *(.sdata) *(.gnu.linkonce.s.*) } - _edata = .; - PROVIDE (edata = .); - . = ALIGN(8) + 0x1000; - PROVIDE (__SBSS_START__ = .); - .sbss : - { - PROVIDE (__sbss_start = .); - *(.sbss) - *(.scommon) - PROVIDE (__sbss_end = .); - } - PROVIDE (__SBSS_END__ = .); - .bss : - { - PROVIDE (__bss_start = .); - *(.dynbss) - *(.bss) - *(COMMON) - PROVIDE (__bss_end = .); - } - . = ALIGN(8) + 0x8000; - PROVIDE (__stack = .); - _end = . ; - PROVIDE (end = .); - - /* These are needed for ELF backends which have not yet been - converted to the new style linker. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to the beginning - of the section so we begin them at 0. */ - /* DWARF 1 */ - .debug 0 : { *(.debug) } - .line 0 : { *(.line) } - /* GNU DWARF 1 extensions */ - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_sfnames 0 : { *(.debug_sfnames) } - /* DWARF 1.1 and DWARF 2 */ - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - /* DWARF 2 */ - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_line 0 : { *(.debug_line) } - .debug_frame 0 : { *(.debug_frame) } - .debug_str 0 : { *(.debug_str) } - .debug_loc 0 : { *(.debug_loc) } - .debug_macinfo 0 : { *(.debug_macinfo) } - /* SGI/MIPS DWARF 2 extensions */ - .debug_weaknames 0 : { *(.debug_weaknames) } - .debug_funcnames 0 : { *(.debug_funcnames) } - .debug_typenames 0 : { *(.debug_typenames) } - .debug_varnames 0 : { *(.debug_varnames) } - /* These must appear regardless of . */ -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/rtems-ctor.cc b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/rtems-ctor.cc deleted file mode 100644 index 5978987858..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/rtems-ctor.cc +++ /dev/null @@ -1,123 +0,0 @@ -/* - * rtems-ctor.cc - * - * Description: - * This file exists solely to (try to) ensure RTEMS is initialized - * before any global constructors are run. - * - * The problem: - * Global constructors might reasonably expect that new() will - * work, but since new() uses malloc() which uses RTEMS regions, - * it can not be called until after initialize_executive(). - * - * Global constructors are called in GNU systems one of 2 ways: - * - * an "invisible" call to __main() inserted by compiler - * This __main() calls __do_global_ctors() which - * walks thru the table and calls all global - * constructors. - * - * or - - * A special section is put into the linked binary. The - * system startup code knows to run the constructors in - * this special section before calling main(). - * - * By making RTEMS initialization a constructor, we avoid having - * too much about all this. All we have to guarantee is that - * this constructor is the first one run. - * - * - * So for the first case above, this is what happens - * - * host crt0 - * main() - * __main() - * __do_global_ctors() - * bsp_start() - * init_executive_early() - * <<any other constructors>> - * - * rtems_init_executive_late() - * bsp_cleanup() - * - * TODO: - * - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id: - */ - -#include <bsp.h> - -/* - * RTEMS program name - * Probably not used by anyone, but it is nice to have it. - * Actually the UNIX version of CPU_INVOKE_DEBUGGER will probably - * need to use it - */ - -char *rtems_progname; -char **rtems_environp; - -#ifdef USE_CONSTRUCTORS_FOR_INIT_EXEC - -class RTEMS { - public: - RTEMS(); - ~RTEMS(); -}; - -RTEMS rtems_constructor; - -RTEMS::RTEMS() -{ - bsp_start(); -} - -RTEMS::~RTEMS() -{ - bsp_cleanup(); -} -#endif - -extern "C" { - int - main(int argc, - char **argv, - char **environp) - { - -#ifndef USE_CONSTRUCTORS_FOR_INIT_EXEC - bsp_start(); -#endif - - if ((argc > 0) && argv && argv[0]) - rtems_progname = argv[0]; - else - rtems_progname = "RTEMS"; - - rtems_environp = environp; - - /* - * Start multitasking - */ - rtems_initialize_executive_late( bsp_isr_level ); - -#ifndef USE_CONSTRUCTORS_FOR_INIT_EXEC - bsp_cleanup(); -#endif - - /* - * Returns when multitasking is stopped - * This allows our destructors to get run normally - */ - - return 0; - } -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/setvec.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/setvec.c deleted file mode 100644 index 0c8255836f..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/setvec.c +++ /dev/null @@ -1,53 +0,0 @@ -/* set_vector - * - * This routine installs an interrupt vector on the target Board/CPU. - * This routine is allowed to be as board dependent as necessary. - * - * INPUT: - * handler - interrupt handler entry point - * vector - vector number - * type - 0 indicates raw hardware connect - * 1 indicates RTEMS interrupt connect - * - * RETURNS: - * address of previous interrupt handler - * - * COPYRIGHT (c) 1989-1997. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id: - */ - -#include <rtems.h> -#include <bsp.h> - -/* - * This routine installs vector number vector. - * - */ -rtems_isr_entry set_vector( /* returns old vector */ - rtems_isr_entry handler, /* isr routine */ - rtems_vector_number vector, /* vector number */ - int type /* RTEMS or RAW intr */ -) -{ - rtems_isr_entry previous_isr; - rtems_status_code status; - - /* - * vectors greater than PPC_IRQ_LAST are handled by the General purpose - * interupt handler. (8259) - */ - if ( vector > PPC_IRQ_LAST ) { - set_EE_vector ( handler, vector ); - } - else { - status = rtems_interrupt_catch - ( handler, vector, (rtems_isr_entry *) &previous_isr ); - } - return previous_isr; -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/spurious.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/spurious.c deleted file mode 100644 index 684817a986..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/spurious.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * PPCn_60x Spurious Trap Handler - * - * This is just enough of a trap handler to let us know what - * the likely source of the trap was. - * - * Based upon the SPARC ERC32 version which was developed as - * part of the port of RTEMS to the ERC32 implementation - * of the SPARC by On-Line Applications Research Corporation (OAR) - * under contract to the European Space Agency (ESA). - * - * COPYRIGHT (c) 1995. European Space Agency. - * - * This terms of the RTEMS license apply to this file. - * - * $Id$ - */ - -#include <bsp.h> - -#include <string.h> - -rtems_isr bsp_stub_handler( - rtems_vector_number trap -) -{ -} - -/* - * bsp_spurious_handler - * - * Print a message on the debug console and then die - */ -rtems_isr bsp_spurious_handler( - rtems_vector_number trap -) -{ - - DEBUG_puts( "Spurious Trap" ); - - switch ( trap ) { - case PPC_IRQ_SYSTEM_RESET: - DEBUG_puts( "System reset" ); - break; - case PPC_IRQ_MCHECK: - DEBUG_puts( "Machine check" ); - break; - case PPC_IRQ_PROTECT: - DEBUG_puts( "DSI" ); - break; - case PPC_IRQ_ISI: - DEBUG_puts( "ISI" ); - break; - case PPC_IRQ_EXTERNAL: - DEBUG_puts( "External interupt" ); - break; - case PPC_IRQ_ALIGNMENT: - DEBUG_puts( "Alignment Exception" ); - break; - case PPC_IRQ_PROGRAM: - DEBUG_puts( "Program" ); - break; - case PPC_IRQ_NOFP: - DEBUG_puts( "Floating point unavailable" ); - break; - case PPC_IRQ_DECREMENTER: - DEBUG_puts( "Decrementer" ); - break; - case PPC_IRQ_RESERVED_A: - DEBUG_puts( "Reserved 0x00a00" ); - break; - case PPC_IRQ_RESERVED_B: - DEBUG_puts( "Reserved 0x00b00" ); - break; - case PPC_IRQ_SCALL: - DEBUG_puts( "System call" ); - break; - case PPC_IRQ_TRACE: - DEBUG_puts( "Trace" ); - break; - case PPC_IRQ_FP_ASST: - DEBUG_puts( "Floating point Assist" ); - break; - -#if defined(ppc403) || defined(ppc405) - case PPC_IRQ_CRIT : - DEBUG_puts( "Critical Error "); - break; - case PPC_IRQ_PIT: - DEBUG_puts( "Prog. Interval Timer " ); - break; - case PPC_IRQ_FIT: - DEBUG_puts( "Fixed Interval Timer " ); - break; - case PPC_IRQ_WATCHDOG : - DEBUG_puts( "Watchdog Timer " ); - break; - case PPC_IRQ_DEBUG : - DEBUG_puts( "Debug " ); - break; - -#elif defined(ppc601) -#error "Please fill in names. " - case PPC_IRQ_TRACE : - DEBUG_puts( "0x02000" ); - break; - -#elif defined(ppc603) || defined(ppc603e) - case PPC_IRQ_TRANS_MISS: - DEBUG_puts( "Instruction Translation Miss" ); - break; - case PPC_IRQ_DATA_LOAD: - DEBUG_puts( "Data Load Translation Miss" ); - break; - case PPC_IRQ_DATA_STORE: - DEBUG_puts( "Data store Translation Miss"); - break; - case PPC_IRQ_ADDR_BRK: - DEBUG_puts( "Instruction address break point" ); - break; - case PPC_IRQ_SYS_MGT: - DEBUG_puts( "System management interrupt" ); - break; - -#elif defined(mpc604) -#error "Please fill in names. " - case PPC_IRQ_ADDR_BRK: - DEBUG_puts( "0x1300" ); - break; - case PPC_IRQ_SYS_MGT: - DEBUG_puts( "0x1400" ); - break; -#endif - - default: - DEBUG_puts( "Undefined exception " ); - break; - } - - /* - * What else can we do but stop ... - */ - /* - asm volatile( "" ); - */ -} - -/* - * bsp_spurious_initialize - * - * Install the spurious handler for most traps. - */ - -void bsp_spurious_initialize() -{ - uint32_t trap; - - for ( trap=0 ; trap < PPC_IRQ_LAST ; trap++ ) { - - /* - * Skip window overflow, underflow, and flush as well as software - * trap 0 which we will use as a shutdown. - */ - - set_vector( bsp_spurious_handler, trap, 1 ); - } - - set_vector( bsp_stub_handler, PPC_IRQ_DECREMENTER, 1 ); - set_vector( bsp_stub_handler, PPC_IRQ_TRACE, 1 ); - set_vector( bsp_stub_handler, PPC_IRQ_SYS_MGT, 1 ); -} diff --git a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/swap.c b/c/src/lib/libbsp/powerpc/ppcn_60x/startup/swap.c deleted file mode 100644 index 68072fe502..0000000000 --- a/c/src/lib/libbsp/powerpc/ppcn_60x/startup/swap.c +++ /dev/null @@ -1,63 +0,0 @@ -/* - * COPYRIGHT (c) 1998 by Radstone Technology - * - * - * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY - * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK - * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. - * - * You are hereby granted permission to use, copy, modify, and distribute - * this file, provided that this notice, plus the above copyright notice - * and disclaimer, appears in all copies. Radstone Technology will provide - * no support for this code. - * - */ - -#include <rtems.h> - -/* - * JRS - February 20, 1998 - * - * There is a swap32 in each port. So this should be removed. - * - * Adding a swap16 to the port would be useful. - * - * The end of all this would be to remove this file. - */ - -inline unsigned int Swap32( - uint32_t ulValue -) -{ - uint32_t ulSwapped; - - asm volatile( - "rlwimi %0,%1,8,24,31;" - "rlwimi %0,%1,24,16,23;" - "rlwimi %0,%1,8,8,15;" - "rlwimi %0,%1,24,0,7;" : - - "=&r" ((ulSwapped)) : - "r" ((ulValue)) - ); - - return( ulSwapped ); -} - -inline unsigned int Swap16( - uint16_t usValue -) -{ - uint16_t usSwapped; - - asm volatile( - "rlwimi %0,%1,24,24,31;" - "rlwimi %0,%1,8,16,23;" : - - "=&r" ((usSwapped)) : - "r" ((usValue)) - ); - - return( usSwapped ); -} |