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Diffstat (limited to 'c/src/lib/libbsp/hppa1.1/simhppa/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/hppa1.1/simhppa/startup/bspstart.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/c/src/lib/libbsp/hppa1.1/simhppa/startup/bspstart.c b/c/src/lib/libbsp/hppa1.1/simhppa/startup/bspstart.c deleted file mode 100644 index 4b4c8b98d1..0000000000 --- a/c/src/lib/libbsp/hppa1.1/simhppa/startup/bspstart.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - * - * 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. - * - * $Id$ - */ - -#include <string.h> - -#include <bsp.h> -#include <rtems/libio.h> -#include <rtems/libcsupport.h> - -extern rtems_configuration_table Configuration; - -rtems_configuration_table BSP_Configuration; -rtems_cpu_table Cpu_table; - -int cpu_number; - -#define WORKSPACE_SIZE (1024 * 1024) -rtems_unsigned8 MY_WORK_SPACE[ WORKSPACE_SIZE ]; - -/* - * Amount to increment itimer by each pass - * It is a variable instead of a #define to allow the 'looptest' - * script to bump it without recompiling rtems - */ - -rtems_unsigned32 CPU_HPPA_CLICKS_PER_TICK; - -#if SIMHPPA_FAST_IDLE - -/* - * Many of the tests are very slow on the simulator because they have - * have 5 second delays hardwired in. - * Try to speed those tests up by speeding up the clock when in idle - */ - -rtems_extension fast_idle_switch_hook( - rtems_tcb *current_task, - rtems_tcb *heir_task -) -{ - static rtems_unsigned32 normal_clock = ~0; - static rtems_unsigned32 fast_clock; - - /* init our params on first call */ - if (normal_clock == (rtems_unsigned32) ~0) - { - normal_clock = CPU_HPPA_CLICKS_PER_TICK; - fast_clock = CPU_HPPA_CLICKS_PER_TICK / 0x100; - if (fast_clock == 0) /* who? me? pathological? never! */ - fast_clock++; - } - - /* - * Checking for 'name' field of 'IDLE' is not the best/safest, - * but its the best we could think of at the moment. - */ - - if (heir_task == _Thread_Idle) - CPU_HPPA_CLICKS_PER_TICK = fast_clock; - else if (current_task == _Thread_Idle) - CPU_HPPA_CLICKS_PER_TICK = normal_clock; -} - -#endif - -/* - * Use the shared implementations of the following routines - */ - -void bsp_postdriver_hook(void); -void bsp_libc_init( void *, unsigned32, int ); - -/* - * Function: bsp_pretasking_hook - * Created: 95/03/10 - * - * Description: - * BSP pretasking hook. Called just before drivers are initialized. - * Used to setup libc and install any BSP extensions. - * - * Notes: - * Must not use libc (to do io) from here, since drivers are - * not yet initialized. - */ - -void bsp_pretasking_hook(void) -{ - extern int end; - rtems_unsigned32 heap_start; - - heap_start = (rtems_unsigned32) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - bsp_libc_init((void *) heap_start, 64 * 1024, 0); - - /* - * on MP systems, always use the print buffer - * instead of the (broken) system calls - */ - - if (BSP_Configuration.User_multiprocessing_table) - use_print_buffer = 1; - -#ifdef SIMHPPA_ROM - use_print_buffer = 1; -#endif - -#if SIMHPPA_FAST_IDLE - /* - * Install the fast idle task switch extension - * - * on MP systems, might now want to do this; it confuses at least - * one test (mp06) - */ - -#if 0 - if (BSP_Configuration.User_multiprocessing_table == 0) -#endif - { - rtems_extensions_table fast_idle_extension; - rtems_id extension_id; - rtems_status_code rc; - - memset(&fast_idle_extension, 0, sizeof(fast_idle_extension)); - - fast_idle_extension.thread_switch = fast_idle_switch_hook; - - rc = rtems_extension_create(rtems_build_name('F', 'D', 'L', 'E'), - &fast_idle_extension, &extension_id); - if (rc != RTEMS_SUCCESSFUL) - rtems_fatal_error_occurred(rc); - } -#endif -} - -void bsp_start(void) -{ - /* - * Set cpu_number to accurately reflect our cpu number - */ - -#ifdef hppa7200 - /* - * Use HPPA_DR0 if supported - */ - { - int dr0; - HPPA_ASM_MFCPU(HPPA_DR0, dr0); - cpu_number = (dr0 >> 4) & 0x7; - } -#else - if (Configuration.User_multiprocessing_table) - cpu_number = Configuration.User_multiprocessing_table->node - 1; - else - cpu_number = 0; -#endif - - BSP_Configuration.work_space_start = (void *)MY_WORK_SPACE; - if (BSP_Configuration.work_space_size) - BSP_Configuration.work_space_size = WORKSPACE_SIZE; - - /* - * Set up our hooks - * Make sure libc_init is done before drivers init'd so that - * they can use atexit() - */ - - Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ - Cpu_table.postdriver_hook = bsp_postdriver_hook; /* register drivers */ - - /* - * Don't zero out the workspace. The simulator did it for us. - */ - - Cpu_table.do_zero_of_workspace = FALSE; - Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY; - - /* - * Set this artificially low for the simulator - */ - - Cpu_table.itimer_clicks_per_microsecond = 1; - -#if 0 - /* - * Commented by DIVISION INC. External interrupt - * processing is now divorced from RTEMS for HPPA. - */ - - /* - * Determine the external interrupt processing order - * the external interrupt handler walks thru this table, in - * order checking for posted interrupts. - */ - - Cpu_table.external_interrupts = 0; - - Cpu_table.external_interrupt[ Cpu_table.external_interrupts ] = - HPPA_INTERRUPT_EXTERNAL_INTERVAL_TIMER; - Cpu_table.external_interrupts++; - - if ( Configuration.User_multiprocessing_table ) { - Cpu_table.external_interrupt[ Cpu_table.external_interrupts ] = - HPPA_INTERRUPT_EXTERNAL_10; - Cpu_table.external_interrupts++; - } -#endif - -#if SIMHPPA_FAST_IDLE - /* - * Add 1 extension for fast idle - */ - - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Set the "clicks per tick" for the simulator - * used by libcpu/hppa/clock/clock.c to schedule interrupts - * - * Set it only if 0 to allow for simulator setting it via script - * on test startup. - */ - - if (CPU_HPPA_CLICKS_PER_TICK == 0) - CPU_HPPA_CLICKS_PER_TICK = 0x4000; -} |