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2008-09-15 Joel Sherrill <joel.sherrill@oarcorp.com>

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* Makefile.am, configure.ac, include/bsp.h, startup/linkcmds: Use
	shared bsp_get_work_area() in its own file and rely on BSP Framework
	to perform more initialization. After factoring this out, it turned
	out that all SuperH BSPs has the same bsp_start() implementation so
	this was made shared.
This commit is contained in:
Joel Sherrill
2008-09-15 19:18:31 +00:00
parent 11a6c97462
commit 512d0fcba1
5 changed files with 23 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
c/src/lib/libbsp/sh/shsim/ChangeLog
View File

@@ -1,3 +1,11 @@
2008-09-15 Joel Sherrill <joel.sherrill@oarcorp.com>
* Makefile.am, configure.ac, include/bsp.h, startup/linkcmds: Use
shared bsp_get_work_area() in its own file and rely on BSP Framework
to perform more initialization. After factoring this out, it turned
out that all SuperH BSPs has the same bsp_start() implementation so
this was made shared.
2008-09-10 Joel Sherrill <joel.sherrill@oarcorp.com>
* include/bsp.h: Review of all bsp_cleanup() implementations. In this

5
c/src/lib/libbsp/sh/shsim/Makefile.am
View File

@@ -35,9 +35,10 @@ BUILT_SOURCES = scitab.c
CLEANFILES = scitab.c
startup_SOURCES = ../../shared/bsplibc.c ../../shared/bsppost.c \
../../shared/bsppredriverhook.c startup/bspstart.c \
../../shared/bsppredriverhook.c ../shared/bspstart.c \
../../shared/bsppretaskinghook.c ../shared/bspgetworkarea.c \
../../shared/bspclean.c ../../shared/sbrk.c ../../shared/bootcard.c \
../../shared/gnatinstallhandler.c
../../shared/gnatinstallhandler.c ../shared/bsphwinit.c
clock_SOURCES = clock/clockdrv.c
scitab_SOURCES = scitab.c
gdbsci_SOURCES = gdbsci/gdbsci.c

7
c/src/lib/libbsp/sh/shsim/configure.ac
View File

@@ -61,9 +61,16 @@ RTEMS_BSPOPTS_SET([CPU_CLOCK_RATE_HZ],[*],[20000000])
RTEMS_BSPOPTS_HELP([CPU_CLOCK_RATE_HZ],
[cpu clock rate in HZ])
RTEMS_BSPOPTS_SET([START_HW_INIT],[*],[])
RTEMS_BSPOPTS_HELP([START_HW_INIT],
[If defined, selects whether 'early_hw_init()' is called from 'start.S';
'bsp_hw_init()' is always called from 'bspstart.c'])
## Used in scitab/Makefile.am
AC_SUBST(CPU_CLOCK_RATE_HZ)
RTEMS_BSP_BOOTCARD_HANDLES_RAM_ALLOCATION
# Explicitly list all Makefiles here
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

5
c/src/lib/libbsp/sh/shsim/include/bsp.h
View File

@@ -56,11 +56,6 @@ extern "C" {
* Defined in the linker script 'linkcmds'
*/
extern uint32_t HeapStart ;
extern uint32_t HeapEnd ;
extern uint32_t WorkSpaceStart ;
extern uint32_t WorkSpaceEnd ;
extern void *CPU_Interrupt_stack_low ;
extern void *CPU_Interrupt_stack_high ;

12
c/src/lib/libbsp/sh/shsim/startup/linkcmds
View File

@@ -22,6 +22,9 @@
OUTPUT_ARCH(sh)
ENTRY(_start)
_RamBase = DEFINED(_RamBase) ? _RamBase : 0x00040000;
_RamSize = DEFINED(_RamSize) ? _RamSize : 512K;
MEMORY
{
/* Real memory layout submitted
@@ -39,7 +42,7 @@ MEMORY
SECTIONS
{
/* boot vector table */
.monvects 0x00000000 (NOLOAD) :
.monvects (NOLOAD) :
{
_monvects = . ;
} > rom
@@ -101,6 +104,7 @@ SECTIONS
.plt : { *(.plt) }
.text . :
{
_start = .;
*(.text*)
*(.stub)
@@ -173,13 +177,7 @@ SECTIONS
_end = . ;
PROVIDE (end = .);
_HeapStart = . ;
. = . + 1024 * 20 ;
PROVIDE( _HeapEnd = . );
_WorkSpaceStart = . ;
/* XXX . = 0x00080000 ; */
PROVIDE(_WorkSpaceEnd = .);
_CPU_Interrupt_stack_low = 0x00080000 ;
_CPU_Interrupt_stack_high = _CPU_Interrupt_stack_low + 4096 ;