diff options
Diffstat (limited to 'c/src/lib/libbsp/i960/cvme961/startup/setvec.c')
| -rw-r--r-- | c/src/lib/libbsp/i960/cvme961/startup/setvec.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/c/src/lib/libbsp/i960/cvme961/startup/setvec.c b/c/src/lib/libbsp/i960/cvme961/startup/setvec.c deleted file mode 100644 index ea3706c3b3..0000000000 --- a/c/src/lib/libbsp/i960/cvme961/startup/setvec.c +++ /dev/null @@ -1,145 +0,0 @@ -/* set_vector - * - * This routine attempts to perform all "generic" interrupt initialization - * for the specified XINT line. It is specific to the Cyclone CVME961 in - * that it knows which interrupts are initialized by the monitor, the - * characteristics of XINT5 (VIC068 clock tick), and that it assumes the - * i960 is processing interrupts in dedicated mode. It attempts to map - * XINTs to interrupt vectors in a fairly straght forward way. - * - * XINT USE VECTOR INTR TBL INDEX TRIGGERED - * ==== ============= ====== ============== ========= - * 0 VMEbus ERROR 0x02 0x03 EDGE - * 1 DRAM PARITY 0x12 0x13 EDGE - * 2 Z8530 0x22 0x23 LEVEL - * 3 SQUALL 0 0x52 0x53 ---- - * 4 Z8536 (SQSIO4) 0x72 0x73 LEVEL - * 5 TICK 0x32 0x33 EDGE - * 6 VIC068 0x62 0x63 LEVEL - * 7 UNUSED 0x42 0x43 LEVEL - * - * The interrupt handler is installed in both the cached and memory - * resident interrupt tables. The appropriate IMAP register is updated to - * reflect the vector selected by this routine. Global interrupts are - * enabled. If XINT5 is being installed, places it in trigger mode. - * Finally, set_vector_support() is invoked to install the new IMAP and - * ICON, unmask the XINT in IMASK, and lower the i960's interrupt - * level to 0. - * - * INPUT: - * func - interrupt handler entry point - * xint - external interrupt line - * type - 0 indicates raw hardware connect - * 1 indicates RTEMS interrupt connect - * - * RETURNS: - * address of previous interrupt handler - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> - -#include <stdio.h> - -void print_prcb(); -void print_intr_info(); -void print_ipnd_imsk(); - -unsigned int Xint_2_Group_Map[8] = { 0, 1, 2, 5, 7, 3, 6, 4 }; - -i960_isr set_vector( /* returns old vector */ - rtems_isr_entry func, /* isr routine */ - unsigned int xint, /* XINT number */ - unsigned int type /* RTEMS or RAW */ -) -{ - i960_isr *intr_tbl, *cached_intr_tbl; - i960_isr saved_intr; - unsigned int vector, group, nibble; - unsigned int *imap; - - if ( xint > 7 ) - exit( 0x80 ); - - cached_intr_tbl = (i960_isr *) 0; - intr_tbl = (i960_isr *) Prcb->intr_tbl; - group = Xint_2_Group_Map[xint]; /* remap XINT to group */ - vector = (group << 4) + 2; /* direct vector num */ - - if ( type ) - rtems_interrupt_catch( func, vector, (rtems_isr_entry *) &saved_intr ); - else { - saved_intr = (i960_isr) intr_tbl[ vector ]; - /* return old vector */ - intr_tbl[ vector + 1 ] = /* normal vector table */ - cached_intr_tbl[ group ] = (i960_isr) func; /* cached vector */ - } - - if ( xint <= 3 ) imap = &Ctl_tbl->imap0; /* updating IMAP0 */ - else imap = &Ctl_tbl->imap1; /* updating IMAP1 */ - nibble = (xint % 4) * 4; - *imap &= ~(0xf << nibble); - *imap |= group << nibble; - - Ctl_tbl->icon &= ~0x00000400; /* enable global interrupts */ - Ctl_tbl->icon |= 0x00004000; /* fast sampling mode */ - switch ( xint ) { - case 0: Ctl_tbl->icon |= 0x00000004; break; - case 1: Ctl_tbl->icon |= 0x00000008; break; - case 2: Ctl_tbl->icon &= ~0x00000010; break; - case 4: Ctl_tbl->icon &= ~0x00000040; break; - case 5: Ctl_tbl->icon |= 0x00000080; break; - case 6: Ctl_tbl->icon &= ~0x00000100; break; - default: exit( 0x81 ); break; /* unsupported */ - } - - if ( xint == 4 ) { /* reprogram MCON for SQSIO4 */ - Ctl_tbl->mcon12 = 0x00002012; /* MCON12 - 0xCxxxxxxx */ - Ctl_tbl->mcon13 = 0x00000000; /* MCON13 - 0xDxxxxxxx */ - i960_reload_ctl_group( 5 ); /* update MCON12-MCON15 */ - } - - i960_unmask_intr( xint ); /* update IMSK */ - i960_reload_ctl_group( 1 ); /* update IMAP?/ICON */ - return( saved_intr ); /* return old vector */ -} - -void print_prcb() -{ - printf( "fault_table =0x%p\n", Prcb->fault_tbl ); - printf( "control_tbl =0x%p\n", Prcb->control_tbl ); - printf( "AC mask ov =0x%x\n", Prcb->initial_ac ); - printf( "fltconfig =0x%x\n", Prcb->fault_config ); - printf( "intr tbl =0x%p\n", Prcb->intr_tbl ); - printf( "systable =0x%p\n", Prcb->sys_proc_tbl ); - printf( "reserved =0x%x\n", Prcb->reserved ); - printf( "isr stk =0x%p\n", Prcb->intr_stack ); - printf( "ins cache =0x%x\n", Prcb->ins_cache_cfg ); - printf( "reg cache =0x%x\n", Prcb->reg_cache_cfg ); -} - -void print_intr_info() -{ - printf( "prcb =0x%p\n", Prcb ); - printf( "ctl_tbl =0x%p\n", Ctl_tbl ); - printf( "intr_tbl=0x%p\n", Prcb->intr_tbl ); - printf( "IMAP0 = 0x%x\n", Ctl_tbl->imap0 ); - printf( "IMAP1 = 0x%x\n", Ctl_tbl->imap1 ); - print_ipnd_imsk(); -} - -void print_ipnd_imsk() -{ - printf(" IPEND = 0x%x\n", i960_pend_intrs() ); - printf(" IMASK = 0x%x\n", i960_mask_intrs() ); -} |