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Diffstat (limited to 'c/src/lib/libbsp/avr/avrtest/start/start.S')
| -rw-r--r-- | c/src/lib/libbsp/avr/avrtest/start/start.S | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/c/src/lib/libbsp/avr/avrtest/start/start.S b/c/src/lib/libbsp/avr/avrtest/start/start.S deleted file mode 100644 index 22853a26b3..0000000000 --- a/c/src/lib/libbsp/avr/avrtest/start/start.S +++ /dev/null @@ -1,291 +0,0 @@ -/* Copyright (c) 2002, Marek Michalkiewicz <marekm@amelek.gda.pl> - Copyright (c) 2007, Eric B. Weddington - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - - * Neither the name of the copyright holders nor the names of - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - -#if (__GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 3) -#error "GCC version >= 3.3 required" -#endif - -#include "macros.inc" - - .macro vector name - .if (. - __vectors < _VECTORS_SIZE) - .weak \name - .set \name, __bad_interrupt - XJMP \name - .endif - .endm - - .section .vectors,"ax",@progbits - .global __vectors - .func __vectors -__vectors: - XJMP __init - vector __vector_1 - vector __vector_2 - vector __vector_3 - vector __vector_4 - vector __vector_5 - vector __vector_6 - vector __vector_7 - vector __vector_8 - vector __vector_9 - vector __vector_10 - vector __vector_11 - vector __vector_12 - vector __vector_13 - vector __vector_14 - vector __vector_15 - vector __vector_16 - vector __vector_17 - vector __vector_18 - vector __vector_19 - vector __vector_20 - vector __vector_21 - vector __vector_22 - vector __vector_23 - vector __vector_24 - vector __vector_25 - vector __vector_26 - vector __vector_27 - vector __vector_28 - vector __vector_29 - vector __vector_30 - vector __vector_31 - vector __vector_32 - vector __vector_33 - vector __vector_34 - vector __vector_35 - vector __vector_36 - vector __vector_37 - vector __vector_38 - vector __vector_39 - vector __vector_40 - vector __vector_41 - vector __vector_42 - vector __vector_43 - vector __vector_44 - vector __vector_45 - vector __vector_46 - vector __vector_47 - vector __vector_48 - vector __vector_49 - vector __vector_50 - vector __vector_51 - vector __vector_52 - vector __vector_53 - vector __vector_54 - vector __vector_55 - vector __vector_56 - vector __vector_57 - vector __vector_58 - vector __vector_59 - vector __vector_60 - vector __vector_61 - vector __vector_62 - vector __vector_63 - vector __vector_64 - vector __vector_65 - vector __vector_66 - vector __vector_67 - vector __vector_68 - vector __vector_69 - vector __vector_70 - vector __vector_71 - vector __vector_72 - vector __vector_73 - vector __vector_74 - vector __vector_75 - vector __vector_76 - vector __vector_77 - vector __vector_78 - vector __vector_79 - vector __vector_80 - vector __vector_81 - vector __vector_82 - vector __vector_83 - vector __vector_84 - vector __vector_85 - vector __vector_86 - vector __vector_87 - vector __vector_88 - vector __vector_89 - vector __vector_90 - vector __vector_91 - vector __vector_92 - vector __vector_93 - vector __vector_94 - vector __vector_95 - vector __vector_96 - vector __vector_97 - vector __vector_98 - vector __vector_99 - vector __vector_100 - vector __vector_101 - vector __vector_102 - vector __vector_103 - vector __vector_104 - vector __vector_105 - vector __vector_106 - vector __vector_107 - vector __vector_108 - vector __vector_109 - vector __vector_110 - vector __vector_111 - vector __vector_112 - vector __vector_113 - vector __vector_114 - vector __vector_115 - vector __vector_116 - vector __vector_117 - vector __vector_118 - vector __vector_119 - vector __vector_120 - vector __vector_121 - vector __vector_122 - vector __vector_123 - vector __vector_124 - vector __vector_125 - .endfunc - - /* Handle unexpected interrupts (enabled and no handler), which - usually indicate a bug. Jump to the __vector_default function - if defined by the user, otherwise jump to the reset address. - - This must be in a different section, otherwise the assembler - will resolve "rjmp" offsets and there will be no relocs. */ - - .text - .global __bad_interrupt - .func __bad_interrupt -__bad_interrupt: - .weak __vector_default - .set __vector_default, __vectors - XJMP __vector_default - .endfunc - - .section .init0,"ax",@progbits - .weak __init -; .func __init -__init: - -#ifndef __AVR_ASM_ONLY__ - .weak __stack - - /* By default, malloc() uses the current value of the stack pointer - minus __malloc_margin as the highest available address. - - In some applications with external SRAM, the stack can be below - the data section (in the internal SRAM - faster), and __heap_end - should be set to the highest address available for malloc(). */ - .weak __heap_end - .set __heap_end, 0 - - .section .init2,"ax",@progbits - clr __zero_reg__ - out AVR_STATUS_ADDR, __zero_reg__ - ldi r28,lo8(__stack) -#ifdef _HAVE_AVR_STACK_POINTER_HI - ldi r29,hi8(__stack) - out AVR_STACK_POINTER_HI_ADDR, r29 -#endif /* _HAVE_AVR_STACK_POINTER_HI */ - out AVR_STACK_POINTER_LO_ADDR, r28 - -#ifdef __AVR_3_BYTE_PC__ - ldi r16, hh8(pm(__vectors)) - out _SFR_IO_ADDR(EIND), r16 -#endif /* __AVR_3_BYTE_PC__ */ - -#ifdef __AVR_HAVE_RAMPD__ - out AVR_RAMPD_ADDR, __zero_reg__ - out AVR_RAMPX_ADDR, __zero_reg__ - out AVR_RAMPY_ADDR, __zero_reg__ - out AVR_RAMPZ_ADDR, __zero_reg__ -#endif - -#if BIG_CODE - /* Only for >64K devices with RAMPZ, replaces the default code - provided by libgcc.S which is only linked in if necessary. */ - - .section .init4,"ax",@progbits - .global __do_copy_data -__do_copy_data: - ldi r17, hi8(__data_end) - ldi r26, lo8(__data_start) - ldi r27, hi8(__data_start) - ldi r30, lo8(__data_load_start) - ldi r31, hi8(__data_load_start) - - /* On the enhanced core, "elpm" with post-increment updates RAMPZ - automatically. Otherwise we have to handle it ourselves. */ - -#ifdef __AVR_ENHANCED__ - ldi r16, hh8(__data_load_start) -#else - ldi r16, hh8(__data_load_start - 0x10000) -.L__do_copy_data_carry: - inc r16 -#endif - out AVR_RAMPZ_ADDR, r16 - rjmp .L__do_copy_data_start -.L__do_copy_data_loop: -#ifdef __AVR_ENHANCED__ - elpm r0, Z+ -#else - elpm -#endif - st X+, r0 -#ifndef __AVR_ENHANCED__ - adiw r30, 1 - brcs .L__do_copy_data_carry -#endif -.L__do_copy_data_start: - cpi r26, lo8(__data_end) - cpc r27, r17 - brne .L__do_copy_data_loop -#ifdef __AVR_HAVE_RAMPD__ - out AVR_RAMPZ_ADDR, __zero_reg__ -#endif /* __AVR_HAVE_RAMPD__*/ - -#endif /* BIG_CODE */ - - .set __stack, RAMEND -#endif /* !__AVR_ASM_ONLY__ */ - - .section .init9,"ax",@progbits -#ifdef __AVR_ASM_ONLY__ - XJMP boot_card -#else /* !__AVR_ASM_ONLY__ */ - XCALL boot_card - XJMP exit -#endif /* __AVR_ASM_ONLY__ */ -; .endfunc - |