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bsps/powerpc: Per-CPU thread dispatch disable

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Interrupt support for per-CPU thread dispatch disable level.
This commit is contained in:
Sebastian Huber
2013-08-01 16:36:55 +02:00
parent d19cce29dc
commit c6c998b000
3 changed files with 45 additions and 53 deletions
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26
c/src/lib/libcpu/powerpc/shared/include/powerpc-utility.h
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@@ -8,12 +8,13 @@
*/
/*
* Copyright (c) 2008, 2010, 2011
* Embedded Brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
* Copyright (c) 2008-2013 embedded brains GmbH.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* access function for Device Control Registers inspired by "ppc405common.h"
* from Michael Hamel ADInstruments May 2008
@@ -893,6 +894,19 @@ void ppc_code_copy(void *dest, const void *src, size_t n);
mtmsr \level
.endm
.macro GET_SELF_CPU_CONTROL reg
#if defined(RTEMS_SMP)
/* Use Book E Processor ID Register (PIR) */
mfspr \reg, 286
slwi \reg, \reg, PER_CPU_CONTROL_SIZE_LOG2
addis \reg, \reg, _Per_CPU_Information@ha
addi \reg, \reg, _Per_CPU_Information@l
#else
lis \reg, _Per_CPU_Information@h
ori \reg, \reg, _Per_CPU_Information@l
#endif
.endm
#define LINKER_SYMBOL(sym) .extern sym
#endif /* ASM */