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2001-04-16 Joel Sherrill <joel@OARcorp.com>

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* start/start.S, startup/bspstart.c, startup/linkcmds:
	Modifications made with Gregory Menke <gregory.menke@gsfc.nasa.gov>
	as he debugged this BSP using a logic analyzer.
This commit is contained in:
Joel Sherrill
2001-04-16 19:30:13 +00:00
parent 3491e9e544
commit c9e729758c
2 changed files with 19 additions and 5 deletions
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16
c/src/lib/libbsp/mips/genmongoosev/startup/bspstart.c
View File

@@ -21,7 +21,6 @@
#include <rtems/libcsupport.h> #include <rtems/libcsupport.h>
#include <libcpu/mongoose-v.h> #include <libcpu/mongoose-v.h>
/* /*
* The original table from the application and our copy of it with * The original table from the application and our copy of it with
* some changes. * some changes.
@@ -71,7 +70,6 @@ void bsp_pretasking_hook(void)
#endif #endif
} }
/* /*
* bsp_start * bsp_start
@@ -95,10 +93,20 @@ void bsp_start( void )
BSP_Configuration.work_space_start = (void *) &WorkspaceBase; BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
MONGOOSEV_WRITE( MONGOOSEV_PERIPHERAL_FUNCTION_INTERRUPT_CAUSE_REGISTER, 0 ); /*mips_set_sr( 0xff00 ); all interrupts unmasked but globally off */
mips_set_sr( 0xff00 ); /* all interrupts unmasked but globally off */
/* depend on the IRC to take care of things */ /* depend on the IRC to take care of things */
MONGOOSEV_WRITE( MONGOOSEV_PERIPHERAL_FUNCTION_INTERRUPT_CAUSE_REGISTER, 0 );
MONGOOSEV_WRITE( MONGOOSEV_PERIPHERAL_FUNCTION_INTERRUPT_MASK_REGISTER, 0 );
/*
mips_set_sr( (SR_CU0 | SR_CU1 | SR_IBIT1 | SR_IBIT2 | SR_IBIT3 | SR_IBIT4 | SR_IBIT6 | SR_IBIT8) );
*/
mips_set_sr( (SR_CU0 | SR_CU1 | SR_IBIT1 | SR_IBIT2) );
mips_install_isr_entries(); mips_install_isr_entries();
MONGOOSEV_WRITE( MONGOOSEV_PERIPHERAL_FUNCTION_INTERRUPT_CAUSE_REGISTER, 0 );
} }
/* XXX */ /* XXX */

8
c/src/lib/libbsp/mips/genmongoosev/startup/linkcmds
View File

@@ -16,7 +16,13 @@ ClockRate = DEFINED(ClockRate) ? ClockRate : 12000000;
SECTIONS SECTIONS
{ {
. = 0x80000000; /*
Ken's response is correct. Locate it at 0x80020000 or higher. The PMON
data segment after the exception vectors and below 0x80020000,
. = 0x80020000;
*/
. = 0x80020000;
.text : .text :
{ {
_ftext = . ; _ftext = . ;