8e0346d137
* configure.in: Add SPARC LEON support.
* configure: Regenerated.
* sparc_leon/asm-leon/amba.h, sparc_leon/asm-leon/asmmacro.h,
sparc_leon/asm-leon/clock.h, sparc_leon/asm-leon/contextswitch.h,
sparc_leon/asm-leon/elfmacro.h, sparc_leon/asm-leon/head.h,
sparc_leon/asm-leon/irq.h, sparc_leon/asm-leon/jiffies.h,
sparc_leon/asm-leon/lambapp.h, sparc_leon/asm-leon/lambapp_devs.h,
sparc_leon/asm-leon/leon.h, sparc_leon/asm-leon/leon3.h,
sparc_leon/asm-leon/leonbare_debug.h, sparc_leon/asm-leon/leonbare_kernel.h,
sparc_leon/asm-leon/leonbare_kernel_queue.h, sparc_leon/asm-leon/leoncompat.h,
sparc_leon/asm-leon/leondbg.h, sparc_leon/asm-leon/leonstack.h,
sparc_leon/asm-leon/liblocks.h, sparc_leon/asm-leon/linkage.h,
sparc_leon/asm-leon/param.h, sparc_leon/asm-leon/queue.h,
sparc_leon/asm-leon/spinlock.h, sparc_leon/asm-leon/stack.h,
sparc_leon/asm-leon/time.h, sparc_leon/asm-leon/timer.h,
sparc_leon/asm-leon/types.h, sparc_leon/asm-leon/winmacros.h:
New file.
* sparc_leon/Makefile.in, sparc_leon/_exit.c,
sparc_leon/amba.c, sparc_leon/amba_dbg.c,
sparc_leon/amba_driver.c, sparc_leon/amba_scan.c,
sparc_leon/asm-leon, sparc_leon/bdinit.S,
sparc_leon/busscan.S, sparc_leon/cacheA.S,
sparc_leon/catch_interrupt.c, sparc_leon/catch_interrupt_mvt.c,
sparc_leon/catch_interrupt_pending.c, sparc_leon/catch_interrupt_svt.c,
sparc_leon/configure.in,
sparc_leon/console.c, sparc_leon/console_dbg.c,
sparc_leon/console_init.c, sparc_leon/contextswitch.c,
sparc_leon/contextswitch_asm.S, sparc_leon/crt0.S,
sparc_leon/crti.S, sparc_leon/crtn.S,
sparc_leon/etrap.S, sparc_leon/etrap_fast.S,
sparc_leon/fpu.S, sparc_leon/gettimeofday.c,
sparc_leon/initcalls.c, sparc_leon/io.c,
sparc_leon/irqinstall.S, sparc_leon/irqtrap.S,
sparc_leon/irqtrap_fast.S, sparc_leon/jiffies.c,
sparc_leon/kernel.c, sparc_leon/kernel_context.S,
sparc_leon/kernel_debug.c, sparc_leon/kernel_debug_var.c,
sparc_leon/kernel_mm.c, sparc_leon/kernel_mutex.c,
sparc_leon/kernel_queue.c, sparc_leon/kernel_sched.c,
sparc_leon/kernel_thread.c, sparc_leon/lcpuinit.S,
sparc_leon/locore.S, sparc_leon/locore_atexit.c,
sparc_leon/locore_clean.S, sparc_leon/locore_mvt.S,
sparc_leon/locore_mvt_reset.S, sparc_leon/locore_svt.S,
sparc_leon/locore_svt_reset.S, sparc_leon/locore_svtdisp.S,
sparc_leon/locore_var.S, sparc_leon/locore_var_svt.S,
sparc_leon/mmu_asm.S, sparc_leon/mutex.c,
sparc_leon/nocache.S, sparc_leon/pnpinit.c,
sparc_leon/pnpinit_malloc.c, sparc_leon/pnpinit_simple.c,
sparc_leon/regwin.S, sparc_leon/regwin_patch.c,
sparc_leon/regwin_slow.S, sparc_leon/regwinflush.S,
sparc_leon/rtc.c, sparc_leon/rtrap.S,
sparc_leon/rtrap_fast.S, sparc_leon/stop.S,
sparc_leon/timer.c, sparc_leon/times.c:
New file
* sparc_leon/configure: Regenerate
171 lines
7.0 KiB
ArmAsm
171 lines
7.0 KiB
ArmAsm
/*
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* Copyright (c) 2011 Aeroflex Gaisler
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*
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* BSD license:
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/* The traptable has to be the first code in a boot PROM. */
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#include <asm-leon/head.h>
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#define TRAP(H) mov %psr, %l0; sethi %hi(H), %l4; jmp %l4+%lo(H); nop;
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#define TRAPL(H) mov %g0, %g4; sethi %hi(H), %g4; jmp %g4+%lo(H); nop;
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#define TRAP_ENTRY(H) rd %psr, %l0; b H; rd %wim, %l3; nop;
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/* srmmu trap */
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#define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b _srmmu_fault; mov 1, %l6;
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#define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b _srmmu_fault; mov 9, %l6;
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#define WIM_INIT 2
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#ifdef _SOFT_FLOAT
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#define PSR_INIT 0x0e0
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#else
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#define PSR_INIT 0x10e0
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#endif
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#define NUMREGWINDOWS 8
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/* Unexcpected trap will halt the processor by forcing it to error state */
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#define BAD_TRAP ta 0; nop; nop; nop;
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/* Software trap. Treat as BAD_TRAP */
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#define SOFT_TRAP BAD_TRAP
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.seg "text"
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.global _trap_table, cpuinit, leonbare_irq_entry, _hardreset, _hardreset_mvt
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.global _window_overflow, _window_underflow, _flush_windows, _fpdis_enable
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.global start
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start:
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_trap_table:
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TRAPL(_hardreset_mvt); ! 00 reset trap
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SRMMU_TFAULT ! 01 instruction_access_exception (in mmu_asm.S)
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BAD_TRAP; ! 02 illegal_instruction
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BAD_TRAP; ! 03 priveleged_instruction
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#ifndef _SOFT_FLOAT
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TRAP(_fpdis_enable); ! 04 fp_disabled
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#else
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TRAP(_fpdis); ! 04 fp_disabled
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#endif
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#ifndef _FLAT
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TRAP(_window_overflow); ! 05 window_overflow
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TRAP(_window_underflow); ! 06 window_underflow
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#else
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BAD_TRAP; BAD_TRAP;
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#endif
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BAD_TRAP; ! 07 memory_address_not_aligned
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BAD_TRAP; ! 08 fp_exception
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SRMMU_DFAULT ! 09 data_access_exception (in mmu_asm.S)
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BAD_TRAP; ! 0A tag_overflow
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BAD_TRAP; ! 0B undefined
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BAD_TRAP; ! 0C undefined
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BAD_TRAP; ! 0D undefined
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BAD_TRAP; ! 0E undefined
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BAD_TRAP; ! 0F undefined
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BAD_TRAP; ! 10 undefined
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/* Interrupt entries */
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TRAP_ENTRY_INTERRUPT(1); ! 11 interrupt level 1
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TRAP_ENTRY_INTERRUPT(2); ! 12 interrupt level 2
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TRAP_ENTRY_INTERRUPT(3); ! 13 interrupt level 3
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TRAP_ENTRY_INTERRUPT(4); ! 14 interrupt level 4
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TRAP_ENTRY_INTERRUPT(5); ! 15 interrupt level 5
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TRAP_ENTRY_INTERRUPT(6); ! 16 interrupt level 6
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TRAP_ENTRY_INTERRUPT(7); ! 17 interrupt level 7
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TRAP_ENTRY_INTERRUPT(8); ! 18 interrupt level 8
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TRAP_ENTRY_INTERRUPT(9); ! 19 interrupt level 9
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TRAP_ENTRY_INTERRUPT(10); ! 1A interrupt level 1
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TRAP_ENTRY_INTERRUPT(11); ! 1B interrupt level 11
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TRAP_ENTRY_INTERRUPT(12); ! 1C interrupt level 12
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TRAP_ENTRY_INTERRUPT(13); ! 1D interrupt level 13
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TRAP_ENTRY_INTERRUPT(14); ! 1E interrupt level 14
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TRAP_ENTRY_INTERRUPT(15); ! 1F interrupt level 15
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 20 - 23 undefined
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BAD_TRAP; ! 24 cp_disabled
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BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 25 - 27 undefined
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BAD_TRAP; ! 28 cp_exception
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BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 29 - 2B undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 2C - 2F undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 30 - 33 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 34 - 37 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 38 - 3B undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 3C - 3F undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 40 - 43 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 44 - 47 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 48 - 4B undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 4C - 4F undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 50 - 53 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 54 - 57 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 58 - 5B undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 5C - 5F undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 60 - 63 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 64 - 67 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 68 - 6B undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 6C - 6F undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 70 - 73 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 74 - 77 undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 78 - 7B undefined
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BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 7C - 7F undefined
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/* Software traps */
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SOFT_TRAP; SOFT_TRAP; TRAP(_irqcall); ! 80 - 82
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#ifndef _FLAT
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TRAP_ENTRY(_flush_windows) ! 83
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#else
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SOFT_TRAP
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#endif
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SOFT_TRAP; ! 84
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TRAP(_irqcall_disableirq); ! 85
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SOFT_TRAP; SOFT_TRAP; ! 86 - 87
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 88 - 8B
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 8C - 8F
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 90 - 93
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 94 - 97
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 98 - 9B
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 9C - 9F
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! A0 - A3
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! A4 - A7
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! A8 - AB
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! AC - AF
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! B0 - B3
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! B4 - B7
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! B8 - BB
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! BC - BF
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! C0 - C3
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! C4 - C7
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! C8 - CB
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! CC - CF
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! D0 - D3
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! D4 - D7
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! D8 - DB
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! DC - DF
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! E0 - E3
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! E4 - E7
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! E8 - EB
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! EC - EF
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! F0 - F3
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! F4 - F7
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! F8 - FB
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SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! FC - FF
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