[e2d0c68] | 1 | /* |
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| 2 | * Copyright (c) 2011 embedded brains GmbH |
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| 3 | * |
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| 4 | * Copyright (c) 2006 Kolja Waschk (rtemsdev/ixo.de) |
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| 5 | * |
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| 6 | * COPYRIGHT (c) 1989-2006 |
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| 7 | * On-Line Applications Research Corporation (OAR). |
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| 8 | * |
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| 9 | * The license and distribution terms for this file may be |
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| 10 | * found in the file LICENSE in this distribution or at |
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| 11 | * http://www.rtems.com/license/LICENSE. |
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| 12 | * |
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| 13 | * $Id$ |
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| 14 | */ |
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| 15 | |
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| 16 | #ifdef HAVE_CONFIG_H |
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| 17 | #include "config.h" |
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| 18 | #endif |
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| 19 | |
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| 20 | #include <rtems/score/cpu.h> |
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| 21 | #include <rtems/score/interr.h> |
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| 22 | #include <rtems/score/nios2-utility.h> |
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| 23 | |
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[36c187a0] | 24 | uint32_t _Nios2_ISR_Set_level( uint32_t new_level, uint32_t status ) |
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[e2d0c68] | 25 | { |
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[67518231] | 26 | switch ( _Nios2_ISR_Get_status_mask() ) { |
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[e2d0c68] | 27 | case NIOS2_ISR_STATUS_MASK_IIC: |
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| 28 | if ( new_level == 0 ) { |
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| 29 | status |= NIOS2_STATUS_PIE; |
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| 30 | } else { |
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| 31 | status &= ~NIOS2_STATUS_PIE; |
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| 32 | } |
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| 33 | break; |
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| 34 | case NIOS2_ISR_STATUS_MASK_EIC_IL: |
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| 35 | status &= ~NIOS2_STATUS_IL_MASK; |
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| 36 | status |= (new_level << NIOS2_STATUS_IL_OFFSET) & NIOS2_STATUS_IL_MASK; |
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| 37 | break; |
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| 38 | case NIOS2_ISR_STATUS_MASK_EIC_RSIE: |
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| 39 | if ( new_level == 0 ) { |
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| 40 | status |= NIOS2_STATUS_RSIE; |
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| 41 | } else { |
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| 42 | status &= ~NIOS2_STATUS_RSIE; |
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| 43 | } |
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| 44 | break; |
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| 45 | default: |
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| 46 | /* FIXME */ |
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| 47 | _Internal_error_Occurred( INTERNAL_ERROR_CORE, false, 0xdeadbeef ); |
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| 48 | break; |
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| 49 | } |
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| 50 | |
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[36c187a0] | 51 | return status; |
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| 52 | } |
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| 53 | |
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| 54 | void _CPU_ISR_Set_level( uint32_t new_level ) |
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| 55 | { |
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| 56 | uint32_t status = _Nios2_Get_ctlreg_status(); |
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| 57 | |
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| 58 | status = _Nios2_ISR_Set_level( new_level, status ); |
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| 59 | |
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[e2d0c68] | 60 | _Nios2_Set_ctlreg_status( status ); |
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| 61 | } |
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