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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-06-13 22:13:02 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-06-13 22:13:02 +0000 |
commit | 1603ecd4b4ce4710db206454d1da940179345335 (patch) | |
tree | 27b43e59adcf055d4e33364b62a7b8dedfb97cc3 /cpukit/score/cpu/m68k/rtems/score/m68k.h | |
parent | 2008-06-13 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-1603ecd4b4ce4710db206454d1da940179345335.tar.bz2 |
2008-06-13 Joel Sherrill <joel.sherrill@oarcorp.com>
* rtems/score/m68k.h: There is no point in defining the maximum
priorities to 255. priority.h will default it to this.
Diffstat (limited to 'cpukit/score/cpu/m68k/rtems/score/m68k.h')
-rw-r--r-- | cpukit/score/cpu/m68k/rtems/score/m68k.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/cpukit/score/cpu/m68k/rtems/score/m68k.h b/cpukit/score/cpu/m68k/rtems/score/m68k.h index 6b0b7741fd..31dbbd7bfb 100644 --- a/cpukit/score/cpu/m68k/rtems/score/m68k.h +++ b/cpukit/score/cpu/m68k/rtems/score/m68k.h @@ -138,6 +138,10 @@ extern "C" { /* * Tiny RTEMS support. Small stack and limited priorities. + * + * These CPUs have very limited on-CPU memory which cannot + * be expanded. We have to be gentle with them or nothing + * will every run. */ # if (defined(__mcf_cpu_52221) || \ defined(__mcf_cpu_52223) || \ @@ -149,12 +153,12 @@ extern "C" { defined(__mcf_cpu_52235) || \ defined(__mcf_cpu_52225) || \ defined(__mcf_cpu_52235)) -# define M68K_CPU_STACK_MINIMUM_SIZE 2048 -/* Define the lowest priority. Based from 0 to this is 16 levels. */ -# define M68K_CPU_PRIORITY_MAXIMUM 15 + #define M68K_CPU_STACK_MINIMUM_SIZE 1024 + /* Define the lowest priority. Based from 0 to this is 16 levels. */ + #define M68K_CPU_PRIORITY_MAXIMUM 15 # else -# define M68K_CPU_STACK_MINIMUM_SIZE 4096 -# define M68K_CPU_PRIORITY_MAXIMUM 255 + #define M68K_CPU_STACK_MINIMUM_SIZE 4096 + /* Use the default number of priorities */ # endif #else |