diff options
Diffstat (limited to 'bsps/sparc/leon2/include/tm27.h')
-rw-r--r-- | bsps/sparc/leon2/include/tm27.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/bsps/sparc/leon2/include/tm27.h b/bsps/sparc/leon2/include/tm27.h new file mode 100644 index 0000000000..0d28641b9b --- /dev/null +++ b/bsps/sparc/leon2/include/tm27.h @@ -0,0 +1,84 @@ +/** + * @file + * @ingroup sparc_leon2 + * @brief Implementations for interrupt mechanisms for Time Test 27 + */ + +/* + * COPYRIGHT (c) 2006. + * Aeroflex Gaisler AB. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef _RTEMS_TMTEST27 +#error "This is an RTEMS internal file you must not include directly." +#endif + +#ifndef __tm27_h +#define __tm27_h + +/* + * Define the interrupt mechanism for Time Test 27 + * + * NOTE: Since the interrupt code for the SPARC supports both synchronous + * and asynchronous trap handlers, support for testing with both + * is included. + */ + +#define SIS_USE_SYNCHRONOUS_TRAP 0 + +/* + * The synchronous trap is an arbitrarily chosen software trap. + */ + +#if (SIS_USE_SYNCHRONOUS_TRAP == 1) + +#define TEST_VECTOR SPARC_SYNCHRONOUS_TRAP( 0x90 ) + +#define MUST_WAIT_FOR_INTERRUPT 1 + +#define Install_tm27_vector( handler ) \ + set_vector( (handler), TEST_VECTOR, 1 ); + +#define Cause_tm27_intr() \ + __asm__ volatile( "ta 0x10; nop " ); + +#define Clear_tm27_intr() /* empty */ + +#define Lower_tm27_intr() /* empty */ + +/* + * The asynchronous trap is an arbitrarily chosen ERC32 interrupt source. + */ + +#else /* use a regular asynchronous trap */ + +#define TEST_INTERRUPT_SOURCE LEON_INTERRUPT_EXTERNAL_1 +#define TEST_VECTOR LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE ) +#define TEST_INTERRUPT_SOURCE2 LEON_INTERRUPT_EXTERNAL_1+1 +#define TEST_VECTOR2 LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE2 ) +#define MUST_WAIT_FOR_INTERRUPT 1 + +#define Install_tm27_vector( handler ) \ + set_vector( (handler), TEST_VECTOR, 1 ); \ + set_vector( (handler), TEST_VECTOR2, 1 ); + +#define Cause_tm27_intr() \ + do { \ + LEON_Force_interrupt( TEST_INTERRUPT_SOURCE+(Interrupt_nest>>1)); \ + nop(); \ + nop(); \ + nop(); \ + } while (0) + +#define Clear_tm27_intr() \ + LEON_Clear_interrupt( TEST_INTERRUPT_SOURCE ) + +#define Lower_tm27_intr() /* empty */ + +#endif + +#endif |