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libc/libgloss/sparc_leon/locore_mvt.S

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2011-12-15 Konrad Eisele <konrad@gaisler.com> * 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
2011-12-15 23:58:40 +01:00
/*
* 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.
*/
/* The traptable has to be the first code in a boot PROM. */
#include <asm-leon/head.h>
#define TRAP(H) mov %psr, %l0; sethi %hi(H), %l4; jmp %l4+%lo(H); nop;
#define TRAPL(H) mov %g0, %g4; sethi %hi(H), %g4; jmp %g4+%lo(H); nop;
#define TRAP_ENTRY(H) rd %psr, %l0; b H; rd %wim, %l3; nop;
/* srmmu trap */
#define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b _srmmu_fault; mov 1, %l6;
#define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b _srmmu_fault; mov 9, %l6;
#define WIM_INIT 2
#ifdef _SOFT_FLOAT
#define PSR_INIT 0x0e0
#else
#define PSR_INIT 0x10e0
#endif
#define NUMREGWINDOWS 8
/* Unexcpected trap will halt the processor by forcing it to error state */
#define BAD_TRAP ta 0; nop; nop; nop;
/* Software trap. Treat as BAD_TRAP */
#define SOFT_TRAP BAD_TRAP
.seg "text"
.global _trap_table, cpuinit, leonbare_irq_entry, _hardreset, _hardreset_mvt
.global _window_overflow, _window_underflow, _flush_windows, _fpdis_enable
.global start
start:
_trap_table:
TRAPL(_hardreset_mvt); ! 00 reset trap
SRMMU_TFAULT ! 01 instruction_access_exception (in mmu_asm.S)
BAD_TRAP; ! 02 illegal_instruction
BAD_TRAP; ! 03 priveleged_instruction
#ifndef _SOFT_FLOAT
TRAP(_fpdis_enable); ! 04 fp_disabled
#else
TRAP(_fpdis); ! 04 fp_disabled
#endif
#ifndef _FLAT
TRAP(_window_overflow); ! 05 window_overflow
TRAP(_window_underflow); ! 06 window_underflow
#else
BAD_TRAP; BAD_TRAP;
#endif
BAD_TRAP; ! 07 memory_address_not_aligned
BAD_TRAP; ! 08 fp_exception
SRMMU_DFAULT ! 09 data_access_exception (in mmu_asm.S)
BAD_TRAP; ! 0A tag_overflow
BAD_TRAP; ! 0B undefined
BAD_TRAP; ! 0C undefined
BAD_TRAP; ! 0D undefined
BAD_TRAP; ! 0E undefined
BAD_TRAP; ! 0F undefined
BAD_TRAP; ! 10 undefined
/* Interrupt entries */
TRAP_ENTRY_INTERRUPT(1); ! 11 interrupt level 1
TRAP_ENTRY_INTERRUPT(2); ! 12 interrupt level 2
TRAP_ENTRY_INTERRUPT(3); ! 13 interrupt level 3
TRAP_ENTRY_INTERRUPT(4); ! 14 interrupt level 4
TRAP_ENTRY_INTERRUPT(5); ! 15 interrupt level 5
TRAP_ENTRY_INTERRUPT(6); ! 16 interrupt level 6
TRAP_ENTRY_INTERRUPT(7); ! 17 interrupt level 7
TRAP_ENTRY_INTERRUPT(8); ! 18 interrupt level 8
TRAP_ENTRY_INTERRUPT(9); ! 19 interrupt level 9
TRAP_ENTRY_INTERRUPT(10); ! 1A interrupt level 1
TRAP_ENTRY_INTERRUPT(11); ! 1B interrupt level 11
TRAP_ENTRY_INTERRUPT(12); ! 1C interrupt level 12
TRAP_ENTRY_INTERRUPT(13); ! 1D interrupt level 13
TRAP_ENTRY_INTERRUPT(14); ! 1E interrupt level 14
TRAP_ENTRY_INTERRUPT(15); ! 1F interrupt level 15
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 20 - 23 undefined
BAD_TRAP; ! 24 cp_disabled
BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 25 - 27 undefined
BAD_TRAP; ! 28 cp_exception
BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 29 - 2B undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 2C - 2F undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 30 - 33 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 34 - 37 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 38 - 3B undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 3C - 3F undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 40 - 43 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 44 - 47 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 48 - 4B undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 4C - 4F undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 50 - 53 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 54 - 57 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 58 - 5B undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 5C - 5F undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 60 - 63 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 64 - 67 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 68 - 6B undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 6C - 6F undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 70 - 73 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 74 - 77 undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 78 - 7B undefined
BAD_TRAP; BAD_TRAP; BAD_TRAP; BAD_TRAP; ! 7C - 7F undefined
/* Software traps */
SOFT_TRAP; SOFT_TRAP; TRAP(_irqcall); ! 80 - 82
#ifndef _FLAT
TRAP_ENTRY(_flush_windows) ! 83
#else
SOFT_TRAP
#endif
SOFT_TRAP; ! 84
TRAP(_irqcall_disableirq); ! 85
SOFT_TRAP; SOFT_TRAP; ! 86 - 87
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 88 - 8B
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 8C - 8F
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 90 - 93
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 94 - 97
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 98 - 9B
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! 9C - 9F
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! A0 - A3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! A4 - A7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! A8 - AB
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! AC - AF
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! B0 - B3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! B4 - B7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! B8 - BB
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! BC - BF
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! C0 - C3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! C4 - C7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! C8 - CB
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! CC - CF
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! D0 - D3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! D4 - D7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! D8 - DB
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! DC - DF
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! E0 - E3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! E4 - E7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! E8 - EB
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! EC - EF
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! F0 - F3
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! F4 - F7
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! F8 - FB
SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; SOFT_TRAP; ! FC - FF