diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/dmv177/startup')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/bspclean.c | 18 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c | 138 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c | 226 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds | 198 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c | 56 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c | 83 |
6 files changed, 0 insertions, 719 deletions
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/bspclean.c b/c/src/lib/libbsp/powerpc/dmv177/startup/bspclean.c deleted file mode 100644 index 34b747089b..0000000000 --- a/c/src/lib/libbsp/powerpc/dmv177/startup/bspclean.c +++ /dev/null @@ -1,18 +0,0 @@ -/* - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ - -void bsp_cleanup( void ) -{ -#if 0 - asm volatile( "li 10,99" ); /* 0x63 */ - asm volatile( "sc" ); -#endif -} diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c b/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c deleted file mode 100644 index 0a1ef09de1..0000000000 --- a/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c +++ /dev/null @@ -1,138 +0,0 @@ -/* 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, 1990, 1991, 1992, 1993, 1994, 1997. - * On-Line Applications Research Corporation (OAR). - * - * $Id$ - */ - -#include <string.h> - -#include <bsp.h> -#include <rtems/libio.h> -#include <rtems/libcsupport.h> - -/* - * 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; - -/* - * Use the shared implementations of the following routines - */ - -void bsp_postdriver_hook(void); -void bsp_libc_init( void *, uint32_t, int ); - -/*PAGE - * - * 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) -{ - extern int end; - 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); - -#ifdef RTEMS_DEBUG - rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); -#endif -} - -/* PAGE - * - * bsp_predriver_hook - * - * Initialization before drivers are setup. - */ - -void bsp_predriver_hook(void) -{ - initialize_external_exception_vector(); -} - -/*PAGE - * - * bsp_start - * - * This routine does the bulk of the system initialization. - */ - -void bsp_start( void ) -{ - unsigned char *work_space_start; - unsigned int msr_value = 0x2030; - - /* - * Set BSP to initial value. Note: This value is a guess - * check how the real board comes up. This is critical to - * getting the source to work with the debugger. - */ - - _CPU_MSR_SET( msr_value ); - - /* - * Need to "allocate" the memory for the RTEMS Workspace and - * tell the RTEMS configuration where it is. This memory is - * not malloc'ed. It is just "pulled from the air". - */ - - work_space_start = - (unsigned char *)&RAM_END - 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.clicks_per_usec = 66666667 / 4000000; */ - Cpu_table.clicks_per_usec = 66666667 / 4000000 / 2; - - Cpu_table.do_zero_of_workspace = TRUE; - Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY; - - /* - * Enable whatever caching is desired - */ - -#if ( DMV177_USE_INSTRUCTION_CACHE ) - rtems_cache_enable_instruction(); -#endif - -#if ( PPC_USE_DATA_CACHE ) - rtems_cache_enable_data(); -#endif -} diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c b/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c deleted file mode 100644 index 82a2fdc001..0000000000 --- a/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c +++ /dev/null @@ -1,226 +0,0 @@ -/* genpvec.c - * - * These routines handle the external exception. Multiple ISRs occur off - * of this one interrupt. This method will allow multiple ISRs to be - * called using the same IRQ index. However, removing the ISR routines is - * presently not supported. - * - * The external exception vector numbers begin with DMV170_IRQ_FIRST. - * DMV170_IRQ_FIRST is defined to be one greater than the last processor - * interrupt. - * - * COPYRIGHT (c) 1989-1999. - * 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> - -#define NUM_LIRQ_HANDLERS 20 -#define NUM_LIRQ ( MAX_BOARD_IRQS - PPC_IRQ_LAST ) - -/* - * 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]; - -/*PAGE - * - * external_exception_ISR - * - * This interrupt service routine is called for an External Exception. - * - * Input parameters: - * vector - vector number representing the external exception vector. - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_isr external_exception_ISR ( - rtems_vector_number vector /* IN */ -) -{ - uint16_t index; - rtems_boolean is_active=FALSE; - uint32_t scv64_status; - Chain_Node *node; - EE_ISR_Type *ee_isr; - - /* - * Get all active interrupts. - */ - scv64_status = SCV64_Get_Interrupt(); - scv64_status &= SCV64_Get_Interrupt_Enable(); - - /* - * Process any set interrupts. - */ - for (index = 0; index <= 5; index++) { - switch(index) { - case 0: - is_active = SCV64_Is_IRQ0( scv64_status ); - break; - case 1: - is_active = SCV64_Is_IRQ1( scv64_status ); - break; - case 2: - is_active = SCV64_Is_IRQ2( scv64_status ); - break; - case 3: - is_active = SCV64_Is_IRQ3( scv64_status ); - break; - case 4: - is_active = SCV64_Is_IRQ4( scv64_status ); - break; - case 5: - is_active = SCV64_Is_IRQ5( scv64_status ); - break; - } - - if (is_active) { - /* - * Read vector. - */ - node = ISR_Array[ index ].first; - while ( !_Chain_Is_tail( &ISR_Array[ index ], node ) ) { - ee_isr = (EE_ISR_Type *) node; - (*ee_isr->handler)( ee_isr->vector ); - node = node->next; - } - } - } -} - -/*PAGE - * - * initialize_external_exception_vector - * - * This routine initializes the external exception vector - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * Return values: NONE - */ - -void initialize_external_exception_vector () -{ - int i; - rtems_isr_entry previous_isr; - rtems_status_code status; - extern void SCV64_Initialize( void ); - - Nodes_Used = 0; - - /* - * Initialize the SCV64 chip - */ - SCV64_Initialize(); - - for (i=0; i <NUM_LIRQ; i++) - Chain_Initialize_empty( &ISR_Array[i] ); - - /* - * 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 ); - -} - -/*PAGE - * - * set_EE_vector - * - * This routine installs one of multiple ISRs for the general purpose - * inerrupt. - * - * Input parameters: - * handler - handler to call at exception - * vector - vector number associated with this handler. - * - * Output parameters: NONE - * - * Return values: - */ - -rtems_isr_entry set_EE_vector( - rtems_isr_entry handler, /* isr routine */ - rtems_vector_number vector /* vector number */ -) -{ - uint16_t vec_idx = vector - DMV170_IRQ_FIRST; - uint32_t index; - - /* - * Verify that all of the nodes have not been used. - */ - 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 0; - } - - /* - * Increment the number of nedes used and set the index for the node - * array. - */ - - Nodes_Used++; - index = Nodes_Used - 1; - - /* - * Write the values of the handler and the vector to this node. - */ - ISR_Nodes[index].handler = handler; - ISR_Nodes[index].vector = vector; - - /* - * Connect this node to the chain at the location of the - * vector index. - */ - Chain_Append( &ISR_Array[vec_idx], &ISR_Nodes[index].Node ); - - /* - * Enable the LIRQ interrupt. - */ - SCV64_Generate_DUART_Interrupts(); - - /* - * No interrupt service routine was removed so return 0 - */ - return 0; -} diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds b/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds deleted file mode 100644 index 3579e49f29..0000000000 --- a/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds +++ /dev/null @@ -1,198 +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 - * - -PROVIDE(CPU_PPC_CLICKS_PER_MS = 16667); -*/ - -MEMORY - { - RAM : ORIGIN = 0x41000, LENGTH = 32M - EPROM : ORIGIN = 0xFFF00000, LENGTH = 0x20000 - } - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - /* . = 0x40000 + SIZEOF_HEADERS; */ - /* . = 0x1000000;*/ - . = 0x41000; - .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) - *(.gnu.linkonce.t.*) - *(.descriptors) - - /* - * Special FreeBSD sysctl sections. - */ - . = ALIGN (16); - __start_set_sysctl_set = .; - *(set_sysctl_*); - __stop_set_sysctl_set = ABSOLUTE(.); - *(set_domain_*); - *(set_pseudo_*); - - /* .gnu.warning sections are handled specially by elf32.em. */ - *(.gnu.warning) - } >RAM - .init : { _init = .; *(.init) } >RAM - .fini : { _fini = .; *(.fini) } >RAM - .eh_frame : { *.(eh_frame) } >RAM - - .rodata : { *(.rodata*) *(.gnu.linkonce.r*) } >RAM - .rodata1 : { *(.rodata1) } >RAM - _etext = .; - PROVIDE (etext = .); - PROVIDE (__SDATA2_START__ = .); - .sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >RAM - .sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >RAM - 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 - } >RAM - PROVIDE (__EXCEPT_START__ = .); - .gcc_except_table : { *(.gcc_except_table) } >RAM - PROVIDE (__EXCEPT_END__ = .); - - .data1 : { *(.data1) } >RAM - .got1 : { *(.got1) } >RAM - .dynamic : { *(.dynamic) } >RAM - /* 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_ = .); - PROVIDE (__GOT2_START__ = .); - .got2 : { *(.got2) } >RAM - PROVIDE (_GOT2_END_ = .); - PROVIDE (__GOT2_END__ = .); - - PROVIDE (__CTOR_LIST__ = .); - .ctors : { *(.ctors) } >RAM - PROVIDE (__CTOR_END__ = .); - - PROVIDE (__DTOR_LIST__ = .); - .dtors : { *(.dtors) } >RAM - PROVIDE (__DTOR_END__ = .); - - PROVIDE (_FIXUP_START_ = .); - PROVIDE (__FIXUP_START__ = .); - .fixup : { *(.fixup) } >RAM - PROVIDE (_FIXUP_END_ = .); - PROVIDE (__FIXUP_END__ = .); - - PROVIDE (_GOT2_END_ = .); - PROVIDE (_GOT_START_ = .); - s.got = .; - .got : { *(.got) } >RAM - .got.plt : { *(.got.plt) } >RAM - 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.*) } >RAM - _edata = .; - PROVIDE (edata = .); - - PROVIDE (RAM_END = 4M); - .sbss : - { - PROVIDE (__sbss_start = .); - *(.sbss) - *(.scommon) - PROVIDE (__sbss_end = .); - } >RAM - PROVIDE (__SBSS_END__ = .); - .bss : - { - PROVIDE (__bss_start = .); - *(.dynbss) - *(.bss) - *(COMMON) - } >RAM - . = 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/dmv177/startup/setvec.c b/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c deleted file mode 100644 index 614a9b8205..0000000000 --- a/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c +++ /dev/null @@ -1,56 +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> - -/*PAGE - * - * set_vector - * - * This routine installs an interrupt handler for 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 PPC603e_IRQ_LAST are handled by the General purpose - * interupt handler. - */ - 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/dmv177/startup/vmeintr.c b/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c deleted file mode 100644 index 3643510aef..0000000000 --- a/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c +++ /dev/null @@ -1,83 +0,0 @@ -/* vmeintr.c - * - * VMEbus support routines for the DMV170. - * - * 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> -#include <rtems/vmeintr.h> - -/* PAGE - * - * VME_interrupt_Disable - * - * This routine disables vme interupts - * - * Input parameters: - * mask - interupt mask - * - * Output parameters: NONE - * - * Return values: NONE - */ - -void VME_interrupt_Disable ( - VME_interrupt_Mask mask /* IN */ -) -{ - volatile uint8_t *VME_interrupt_enable; - uint8_t value; - -#if 0 - VME_interrupt_enable = ACC_VIE; -#else - VME_interrupt_enable = 0; -#endif - value = *VME_interrupt_enable; - - value &= ~mask; /* turn off interrupts for all levels in mask */ - - *VME_interrupt_enable = value; -} - -/* PAGE - * - * VME_interrupt_Enable - * - * This routine enables vme interupts - * - * Input parameters: - * mask - interupt mask - * - * Output parameters: NONE - * - * Return values: - */ - -void VME_interrupt_Enable ( - VME_interrupt_Mask mask /* IN */ -) -{ - volatile uint8_t *VME_interrupt_enable; - uint8_t value; - -#if 0 - VME_interrupt_enable = ACC_VIE; -#else - VME_interrupt_enable = 0; -#endif - value = *VME_interrupt_enable; - - value |= mask; /* turn on interrupts for all levels in mask */ - - *VME_interrupt_enable = value; -} |