diff options
Diffstat (limited to 'libgloss/sparc_leon/irqtrap.S')
| -rw-r--r-- | libgloss/sparc_leon/irqtrap.S | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/libgloss/sparc_leon/irqtrap.S b/libgloss/sparc_leon/irqtrap.S deleted file mode 100644 index d13757731..000000000 --- a/libgloss/sparc_leon/irqtrap.S +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (c) 2011 Aeroflex Gaisler - * - * BSD license: - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - - -#include <asm-leon/leonstack.h> -#include <asm-leon/asmmacro.h> -#include <asm-leon/winmacros.h> -#include <asm-leon/leon.h> - - /* l0: psr - l1: pc - l2: npc - l3: wim - l7: irqnr */ - - .seg "text" - - /* ------- */ - .weak _leonbare_irq_entry_svt - .set _leonbare_irq_entry_svt,__leonbare_irq_entry_svt - .weak leonbare_irq_entry - .set leonbare_irq_entry,_leonbare_irq_entry - /* ------- */ - !.global leonbare_irq_entry,_leonbare_irq_entry_svt - .global _irqtbl, _irqtrap, handler_irq, fpustate_current - -__leonbare_irq_entry_svt: /* irq from svt trap dispatcher */ - sub %l6,0x10, %l7 - rd %wim, %l3 - -_leonbare_irq_entry: - set SPARC_PSR_EF_MASK,%l6 - andn %l0, %l6, %l0 ! fpu off - - SAVE_ALL - - set nestcount,%o0 - ld [%o0],%o1 - add %o1,1,%o1 - st %o1,[%o0] - -#ifdef CONFIG_LEONBARE_NONESTEDIRQ - or %l0, SPARC_PSR_PIL_MASK, %o0 ! no nested irqs - wr %o0, SPARC_PSR_ET_MASK, %psr - WRITE_PAUSE -#else - sll %l7,SPARC_PSR_PIL_SHIFT,%o1 - andn %l0,SPARC_PSR_PIL_MASK,%o0 - or %l0, %o1, %o1 - set nestedirq,%o0 - ld [%o0],%o0 - cmp %g0,%o0 ! no nested irqs? - beq,a .L1 - or %o1, SPARC_PSR_PIL_MASK, %o1 -.L1: - wr %o1, SPARC_PSR_ET_MASK, %psr - WRITE_PAUSE -#endif - - mov %l7, %o0 ! irq level - call handler_irq ! void handler_irq (int irq, struct leonbare_pt_regs *pt_regs) -#ifndef _SOFT_FLOAT - add %sp, FW_REGS_SZ + 8 + SF_REGS_SZ , %o1 ! pt_regs ptr -#else - add %sp, SF_REGS_SZ , %o1 ! pt_regs ptr -#endif - - or %l0, SPARC_PSR_PIL_MASK, %o1 - wr %o1, SPARC_PSR_ET_MASK, %psr ! enable nesting again, keep ET up - WRITE_PAUSE - - set nestcount,%o0 - ld [%o0],%o1 - sub %o1,1,%o1 - st %o1,[%o0] - - RESTORE_ALL - - .seg "data" - .global nestedirq - .align 4 -nestedirq: - .long 0 - .global nestcount - .align 4 -nestcount: - .long 0 |