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2003-07-18 Till Straumann <strauman@slac.stanford.edu>

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PR 288/rtems
	* startup/bspstart.c: _ISR_Nest_level is now properly maintained.
This commit is contained in:
Joel Sherrill
2003-07-18 17:24:31 +00:00
parent ae20a3e22e
commit 7b59de1c8b
2 changed files with 11 additions and 3 deletions
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5
c/src/lib/libbsp/powerpc/mpc8260ads/ChangeLog
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@@ -1,3 +1,8 @@
2003-07-18 Till Straumann <strauman@slac.stanford.edu>
PR 288/rtems
* startup/bspstart.c: _ISR_Nest_level is now properly maintained.
2003-03-06 Ralf Corsepius <corsepiu@faw.uni-ulm.de> 2003-03-06 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* configure.ac: Remove AC_CONFIG_AUX_DIR. * configure.ac: Remove AC_CONFIG_AUX_DIR.

9
c/src/lib/libbsp/powerpc/mpc8260ads/startup/bspstart.c
View File

@@ -47,6 +47,7 @@
#include <rtems/score/thread.h> #include <rtems/score/thread.h>
#include <rtems/bspIo.h> #include <rtems/bspIo.h>
#include <libcpu/cpuIdent.h> #include <libcpu/cpuIdent.h>
#include <libcpu/spr.h>
#include <string.h> #include <string.h>
@@ -55,6 +56,8 @@
#endif #endif
SPR_RW(SPRG0)
SPR_RW(SPRG1)
/* /*
* The original table from the application (in ROM) and our copy of it with * The original table from the application (in ROM) and our copy of it with
@@ -219,7 +222,6 @@ void bsp_start(void)
ppc_cpu_id_t myCpu; ppc_cpu_id_t myCpu;
ppc_cpu_revision_t myCpuRevision; ppc_cpu_revision_t myCpuRevision;
register unsigned char* intrStack; register unsigned char* intrStack;
register unsigned int intrNestingLevel = 0;
/* Set MPC8260ADS board LEDS and Uart enable lines */ /* Set MPC8260ADS board LEDS and Uart enable lines */
@@ -248,8 +250,9 @@ void bsp_start(void)
*/ */
intrStack = (((unsigned char*)&intrStackPtr) - CPU_MINIMUM_STACK_FRAME_SIZE); intrStack = (((unsigned char*)&intrStackPtr) - CPU_MINIMUM_STACK_FRAME_SIZE);
asm volatile ("mtspr 273, %0" : "=r" (intrStack) : "0" (intrStack)); _write_SPRG1((unsigned int)intrStack);
asm volatile ("mtspr 272, %0" : "=r" (intrNestingLevel) : "0" (intrNestingLevel)); /* signal that we have fixed PR288 - eventually, this should go away */
_write_SPRG0(PPC_BSP_HAS_FIXED_PR288);
/* /*
printk( "About to call initialize_exceptions\n" ); printk( "About to call initialize_exceptions\n" );