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authorJoel Sherrill <joel.sherrill@OARcorp.com>1998-05-30 11:46:21 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1998-05-30 11:46:21 +0000
commitdc104a4039397056fc276d4f9a14d28b1405ae95 (patch)
tree8bea1c7c5d678b78190211d263c069aa5fdb66c4 /c/src/lib/libbsp/powerpc/dmv177/startup
parentUsed shared sbrk.c. (diff)
downloadrtems-dc104a4039397056fc276d4f9a14d28b1405ae95.tar.bz2
Updated to current source and removed warnings.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/dmv177/startup')
-rw-r--r--c/src/lib/libbsp/powerpc/dmv177/startup/Makefile.in23
-rw-r--r--c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c223
-rw-r--r--c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c81
-rw-r--r--c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds77
-rw-r--r--c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c24
5 files changed, 119 insertions, 309 deletions
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/Makefile.in b/c/src/lib/libbsp/powerpc/dmv177/startup/Makefile.in
index 229bfa3eef..0877918685 100644
--- a/c/src/lib/libbsp/powerpc/dmv177/startup/Makefile.in
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/Makefile.in
@@ -4,39 +4,29 @@
@SET_MAKE@
srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-RTEMS_ROOT = @RTEMS_ROOT@
+VPATH = @srcdir@:@srcdir@/../../../shared
+RTEMS_ROOT = @top_srcdir@
PROJECT_ROOT = @PROJECT_ROOT@
-RTEMS_CUSTOM = $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
PGM=${ARCH}/startup.rel
# C source names, if any, go here -- minus the .c
-C_PIECES=bspstart sbrk setvec genpvec vmeintr
+C_PIECES=bspclean bsplibc bsppost bspstart main sbrk setvec genpvec vmeintr
C_FILES=$(C_PIECES:%=%.c)
C_O_FILES=$(C_PIECES:%=${ARCH}/%.o)
-CC_PIECES=rtems-ctor
-CC_FILES=$(CC_PIECES:%=%.cc)
-CC_O_FILES=$(CC_PIECES:%=${ARCH}/%.o)
-
H_FILES=
# Assembly source names, if any, go here -- minus the .s
-S_PIECES=bspclean
+S_PIECES=
S_FILES=$(S_PIECES:%=%.s)
S_O_FILES=$(S_FILES:%.s=${ARCH}/%.o)
SRCS=linkcmds $(C_FILES) $(CC_FILES) $(H_FILES) $(S_FILES)
OBJS=$(C_O_FILES) $(S_O_FILES)
-# We install the RTEMS constructor as a separate .o
-# so it can be easily place correctly by the compiler config file.
-INSTALLED_O_FILES=$(ARCH)/rtems-ctor.o
-
-include $(RTEMS_CUSTOM)
-include $(PROJECT_ROOT)/make/leaf.cfg
+include $(RTEMS_ROOT)/make/custom/$(RTEMS_BSP).cfg
+include $(RTEMS_ROOT)/make/leaf.cfg
#
# (OPTIONAL) Add local stuff here using +=
@@ -65,4 +55,3 @@ ${PGM}: ${SRCS} ${OBJS}
all: ${ARCH} $(SRCS) $(INSTALLED_O_FILES) $(PGM)
$(INSTALL) $(srcdir)/linkcmds ${PROJECT_RELEASE}/lib
- $(INSTALL_VARIANT) $(INSTALLED_O_FILES) ${PROJECT_RELEASE}/lib
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c b/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c
index fba086515c..1cb84d7d6b 100644
--- a/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/bspstart.c
@@ -20,11 +20,6 @@
#include <libcsupport.h>
#include <string.h>
-#include <fcntl.h>
-
-#ifdef STACK_CHECKER_ON
-#include <stackchk.h>
-#endif
/*
* The original table from the application and our copy of it with
@@ -36,21 +31,22 @@ rtems_configuration_table BSP_Configuration;
rtems_cpu_table Cpu_table;
rtems_unsigned32 bsp_isr_level;
-/* PAGE
- *
- * bsp_libc_init
- *
- * Initialize whatever libc we are using called from bsp_postdriver_hook.
- *
- * Input parameters: NONE
+/*
+ * Use the shared implementations of the following routines
+ */
+
+void bsp_postdriver_hook(void);
+void bsp_libc_init( void *, unsigned32, int );
+
+/*PAGE
*
- * Output parameters: NONE
+ * bsp_pretasking_hook
*
- * Return values: NONE
- *
+ * BSP pretasking hook. Called just before drivers are initialized.
+ * Used to setup libc and install any BSP extensions.
*/
-void bsp_libc_init(void)
+void bsp_pretasking_hook(void)
{
extern int end;
rtems_unsigned32 heap_start;
@@ -63,55 +59,7 @@ void bsp_libc_init(void)
heap_size = BSP_Configuration.work_space_start - (void *)&end;
heap_size &= 0xfffffff0; /* keep it as a multiple of 16 bytes */
- RTEMS_Malloc_Initialize((void *) heap_start, heap_size, 0);
-
- /*
- * Init the RTEMS libio facility to provide UNIX-like system
- * calls for use by newlib (ie: provide __rtems_open, __rtems_close, etc)
- * Uses malloc() to get area for the iops, so must be after malloc init
- */
-
- rtems_libio_init();
-
- /*
- * Set up for the libc handling.
- */
-
- if (BSP_Configuration.ticks_per_timeslice > 0)
- libc_init(1); /* reentrant if possible */
- else
- libc_init(0); /* non-reentrant */
-
-}
-
-
-/* PAGE
- *
- * bsp_pretasking_hook
- *
- * BSP pretasking hook. Called just before drivers are initialized.
- * Used to setup libc and install any BSP extensions.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values: NONE
- *
- */
-
-void bsp_pretasking_hook(void)
-{
- bsp_libc_init();
-
-#ifdef STACK_CHECKER_ON
- /*
- * Initialize the stack bounds checker
- * We can either turn it on here or from the app.
- */
-
- Stack_check_Initialize();
-#endif
+ bsp_libc_init((void *) heap_start, heap_size, 0);
#ifdef RTEMS_DEBUG
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
@@ -136,56 +84,11 @@ void bsp_predriver_hook(void)
initialize_external_exception_vector();
}
-/* PAGE
- *
- * bsp_postdriver_hook
- *
- * After drivers are setup, register some "filenames"
- * and open stdin, stdout, stderr files
- *
- * Newlib will automatically associate the files with these
- * (it hardcodes the numbers)
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values: NONE
- *
- */
-
-void bsp_postdriver_hook(void)
-{
- int stdin_fd, stdout_fd, stderr_fd;
- int error_code;
-
- error_code = 'S' << 24 | 'T' << 16;
-
- if ((stdin_fd = __rtems_open("/dev/console", O_RDONLY, 0)) == -1)
- rtems_fatal_error_occurred( error_code | 'D' << 8 | '0' );
-
- if ((stdout_fd = __rtems_open("/dev/console", O_WRONLY, 0)) == -1)
- rtems_fatal_error_occurred( error_code | 'D' << 8 | '1' );
-
- if ((stderr_fd = __rtems_open("/dev/console", O_WRONLY, 0)) == -1)
- rtems_fatal_error_occurred( error_code | 'D' << 8 | '2' );
-
- if ((stdin_fd != 0) || (stdout_fd != 1) || (stderr_fd != 2))
- rtems_fatal_error_occurred( error_code | 'I' << 8 | 'O' );
-}
-
-/* PAGE
+/*PAGE
*
* bsp_start
*
* This routine does the bulk of the system initialization.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * Return values: NONE
- *
*/
void bsp_start( void )
@@ -198,58 +101,15 @@ void bsp_start( void )
* check how the real board comes up. This is critical to
* getting the source to work with the debugger.
*/
+
_CPU_MSR_SET( msr_value );
/*
- * Set up our hooks
- * Make sure libc_init is done before drivers initialized so that
- * they can use atexit()
- */
-
- 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.idle_task = NULL; /* do not override system IDLE task */
-
- Cpu_table.clicks_per_usec = 66 / 4; /* XXX get from linkcmds */
-
-
- /*
- * SIS does zero out memory BUT only when IT begins execution. Thus
- * if we want to have a clean slate in the workspace each time we
- * begin execution of OUR application, then we must zero the workspace.
- */
-
- Cpu_table.do_zero_of_workspace = TRUE;
-
- /*
- * This should be enough interrupt stack.
- */
-
- Cpu_table.interrupt_stack_size = (12 * 1024);
-
- /*
- * DMV170 does not support MP configurations so there is really no way
- * to check this out.
+ * 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".
*/
- Cpu_table.extra_mpci_receive_server_stack = 0;
-
- /*
- * Copy the table and allocate memory for the RTEMS Workspace
- */
-
- BSP_Configuration = Configuration;
-
-#if defined(RTEMS_POSIX_API)
- BSP_Configuration.work_space_size *= 3;
-#endif
-
work_space_start =
(unsigned char *)&RAM_END - BSP_Configuration.work_space_size;
@@ -261,52 +121,21 @@ void bsp_start( void )
BSP_Configuration.work_space_start = work_space_start;
/*
- * Add 1 region for RTEMS Malloc
- */
-
- BSP_Configuration.RTEMS_api_configuration->maximum_regions++;
-
- /*
* Account for the console's resources
*/
console_reserve_resources( &BSP_Configuration );
-#ifdef RTEMS_NEWLIB
- /*
- * Add 1 extension for newlib libc
- */
-
- BSP_Configuration.maximum_extensions++;
-#endif
-
-#ifdef STACK_CHECKER_ON
/*
- * Add 1 extension for stack checker
+ * initialize the CPU table for this BSP
*/
- BSP_Configuration.maximum_extensions++;
-#endif
-
- /*
- * Add 1 extension for MPCI_fatal
- */
-
- if (BSP_Configuration.User_multiprocessing_table)
- BSP_Configuration.maximum_extensions++;
-
- /*
- * Initialize RTEMS. main() will finish it up and start multitasking.
- */
+ 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 = 66 / 4; /* XXX get from linkcmds */
- rtems_libio_config( &BSP_Configuration, BSP_LIBIO_MAX_FDS );
-
- bsp_isr_level = rtems_initialize_executive_early(
- &BSP_Configuration,
- &Cpu_table
- );
+ Cpu_table.do_zero_of_workspace = TRUE;
+ Cpu_table.interrupt_stack_size = (12 * 1024);
}
-
-
-
-
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c b/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c
index 98989c2401..09918845b1 100644
--- a/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c
@@ -46,8 +46,47 @@ EE_ISR_Type ISR_Nodes [NUM_LIRQ_HANDLERS];
rtems_unsigned16 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 */
+)
+{
+ rtems_unsigned16 index;
+ Chain_Node *node;
+ EE_ISR_Type *ee_isr;
+
+ /*
+ * Read vector.
+ */
+ index = 0;
-/* PAGE
+ 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;
+ }
+
+ /*
+ * Clear the interrupt.
+ */
+}
+
+
+/*PAGE
*
* initialize_external_exception_vector
*
@@ -80,7 +119,7 @@ void initialize_external_exception_vector ()
PPC_IRQ_EXTERNAL , (rtems_isr_entry *) &previous_isr );
}
-/* PAGE
+/*PAGE
*
* set_EE_vector
*
@@ -95,6 +134,7 @@ void initialize_external_exception_vector ()
*
* Return values:
*/
+
rtems_isr_entry set_EE_vector(
rtems_isr_entry handler, /* isr routine */
rtems_vector_number vector /* vector number */
@@ -145,40 +185,3 @@ rtems_isr_entry set_EE_vector(
return 0;
}
-/* 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 */
-)
-{
- rtems_unsigned16 index;
- EE_ISR_Type *node;
-
- /*
- * Read vector.
- */
- index = 0;
-
- node = ISR_Array[ index ].first;
- while ( !_Chain_Is_tail( &ISR_Array[ index ], node ) ) {
- (*node->handler)( node->vector );
- node = node->Node.next;
- }
-
- /*
- * Clear the interrupt.
- */
-}
-
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds b/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds
index 80b586dbad..9a33355599 100644
--- a/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds
@@ -50,16 +50,16 @@ SECTIONS
*(.descriptors)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
- } =0
- .init : { *(.init) } =0
- .fini : { *(.fini) } =0
- .rodata : { *(.rodata) }
- .rodata1 : { *(.rodata1) }
+ } >RAM
+ .init : { *(.init) } >RAM
+ .fini : { *(.fini) } >RAM
+ .rodata : { *(.rodata) } >RAM
+ .rodata1 : { *(.rodata1) } >RAM
_etext = .;
PROVIDE (etext = .);
PROVIDE (__SDATA2_START__ = .);
- .sdata2 : { *(.sdata2) }
- .sbss2 : { *(.sbss2) }
+ .sdata2 : { *(.sdata2) } >RAM
+ .sbss2 : { *(.sbss2) } >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
@@ -81,44 +81,53 @@ SECTIONS
{
*(.data)
CONSTRUCTORS
- }
+ } >RAM
PROVIDE (__EXCEPT_START__ = .);
- .gcc_except_table : { *(.gcc_except_table) }
+ .gcc_except_table : { *(.gcc_except_table) } >RAM
PROVIDE (__EXCEPT_END__ = .);
- .data1 : { *(.data1) }
- .got1 : { *(.got1) }
- .dynamic : { *(.dynamic) }
+ .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_ = .);
- .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_ = .);
+ 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) }
- .got.plt : { *(.got.plt) }
- PROVIDE (_GOT_END_ = .);
- PROVIDE (__GOT_END__ = .);
+ .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) }
+ .sdata : { *(.sdata) } >RAM
_edata = .;
PROVIDE (edata = .);
+
PROVIDE (RAM_END = 4M);
.sbss :
{
@@ -126,7 +135,7 @@ SECTIONS
*(.sbss)
*(.scommon)
PROVIDE (__sbss_end = .);
- }
+ } >RAM
PROVIDE (__SBSS_END__ = .);
.bss :
{
@@ -134,7 +143,7 @@ SECTIONS
*(.dynbss)
*(.bss)
*(COMMON)
- }
+ } >RAM
. = ALIGN(8) + 0x8000;
PROVIDE (__stack = .);
_end = . ;
diff --git a/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c b/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c
index 4fb6333da8..5bb96cf792 100644
--- a/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c
+++ b/c/src/lib/libbsp/powerpc/dmv177/startup/setvec.c
@@ -12,8 +12,6 @@
* RETURNS:
* address of previous interrupt handler
*
- * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/setvec.c:
- *
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
@@ -28,23 +26,6 @@
#include <rtems.h>
#include <bsp.h>
-
-/* PAGE
- *
- * set_vector
- *
- * This routine installs vector number vector.
- *
- * Input parameters:
- * handler - routine to call when the interupt occurs
- * vector - vector id
- * type - RAW or RTEMS vector
- *
- * Output parameters: NONE
- *
- * Return values: Removed interupt routine or 0 if none.
- */
-
rtems_isr_entry set_vector( /* returns old vector */
rtems_isr_entry handler, /* isr routine */
rtems_vector_number vector, /* vector number */
@@ -54,7 +35,6 @@ rtems_isr_entry set_vector( /* returns old vector */
rtems_isr_entry previous_isr;
rtems_status_code status;
-
/*
* vectors greater than PPC603e_IRQ_LAST are handled by the General purpose
* interupt handler.
@@ -63,8 +43,8 @@ rtems_isr_entry set_vector( /* returns old vector */
set_EE_vector ( handler, vector );
}
else {
- status = rtems_interrupt_catch
- ( handler, vector, (rtems_isr_entry *) &previous_isr );
+ status = rtems_interrupt_catch(
+ handler, vector, (rtems_isr_entry *) &previous_isr );
}
return previous_isr;
}