OK except one style comment. On 7/3/2014 4:39 AM, Daniel Cederman wrote: > The flush instruction on LEON flushes both the data and the instruction > cache. Flushing of just the instruction cache can be done by setting > the "flush instruction cache" bit in the cache control register. > --- > c/src/lib/libbsp/sparc/leon3/include/cache_.h | 4 +++- > c/src/lib/libbsp/sparc/leon3/include/leon.h | 1 + > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/c/src/lib/libbsp/sparc/leon3/include/cache_.h > b/c/src/lib/libbsp/sparc/leon3/include/cache_.h > index 70c1e2c..8339114 100644 > --- a/c/src/lib/libbsp/sparc/leon3/include/cache_.h > +++ b/c/src/lib/libbsp/sparc/leon3/include/cache_.h > @@ -134,7 +134,9 @@ static inline void _CPU_cache_unfreeze_data(void) > > static inline void _CPU_cache_invalidate_entire_instruction(void) > { > - __asm__ volatile ("flush"); > + uint32_t cache_reg = leon3_get_cache_control_register(); Please add a blank line after the variable declaration. > + cache_reg |= LEON3_REG_CACHE_CTRL_FI; > + leon3_set_cache_control_register(cache_reg); > } > > static inline void _CPU_cache_invalidate_instruction_range( > diff --git a/c/src/lib/libbsp/sparc/leon3/include/leon.h > b/c/src/lib/libbsp/sparc/leon3/include/leon.h > index a62ad29..bc3cdde 100644 > --- a/c/src/lib/libbsp/sparc/leon3/include/leon.h > +++ b/c/src/lib/libbsp/sparc/leon3/include/leon.h > @@ -90,6 +90,7 @@ extern "C" { > * The following defines the bits in the LEON Cache Control Register. > */ > #define LEON3_REG_CACHE_CTRL_DS 0x00800000 /* Data cache snooping */ > +#define LEON3_REG_CACHE_CTRL_FI 0x00200000 /* Flush instruction cache */ > > /* LEON3 Interrupt Controller */ > extern volatile struct irqmp_regs *LEON3_IrqCtrl_Regs;
-- Joel Sherrill, Ph.D. Director of Research & Development joel.sherr...@oarcorp.com On-Line Applications Research Ask me about RTEMS: a free RTOS Huntsville AL 35805 Support Available (256) 722-9985 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel