| 1 | #
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| 2 | # Copyright (c) 2021 Jiri Svoboda
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| 3 | # Copyright (c) 2019 Jiří Zárevúcky
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 |
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| 30 | if MACHINE == 'msim'
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| 31 | _march = '-march=r4000'
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| 32 | _endian = '-D__LE__'
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| 33 | elif MACHINE == 'lmalta'
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| 34 | _march = '-march=4kc'
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| 35 | _endian = '-D__LE__'
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| 36 | elif MACHINE == 'bmalta'
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| 37 | _march = '-march=4kc'
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| 38 | _endian = '-D__BE__'
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| 39 | else
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| 40 | error('Unknown machine')
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| 41 | endif
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| 42 |
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| 43 | arch_uspace_c_args = [
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| 44 | _march,
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| 45 | _endian,
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| 46 | '-fno-omit-frame-pointer',
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| 47 | '-msoft-float',
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| 48 | '-mabi=32',
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| 49 | ]
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| 50 |
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| 51 | arch_kernel_c_args = arch_uspace_c_args + [
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| 52 | '-mno-abicalls',
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| 53 | '-G', '0',
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| 54 | '-fno-zero-initialized-in-bss',
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| 55 | ]
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| 56 |
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| 57 | arch_boot_c_args = arch_kernel_c_args
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| 58 |
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| 59 | arch_kernel_link_args = [ '-nostdlib' ]
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| 60 | arch_uspace_link_args = [ '-nostdlib', '-lgcc' ]
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| 61 | arch_boot_link_args = []
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| 62 |
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| 63 |
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| 64 | kernel_as_prolog = '.module softfloat;'
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| 65 | uspace_as_prolog = '.module softfloat;.abicalls;'
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| 66 |
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| 67 |
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| 68 | if MACHINE == 'bmalta' or MACHINE == 'lmalta'
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| 69 | rd_essential_drv += [
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| 70 | 'drv/platform/malta',
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| 71 | 'drv/intctl/i8259',
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| 72 | 'drv/block/ata_bd',
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| 73 | 'drv/bus/pci/pciintel',
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| 74 | 'drv/bus/isa',
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| 75 | 'drv/char/i8042',
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| 76 | 'drv/char/ns8250',
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| 77 | 'drv/hid/ps2mouse',
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| 78 | 'drv/hid/xtkbd',
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| 79 | ]
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| 80 |
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| 81 | elif MACHINE == 'msim'
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| 82 | rd_essential_drv += [
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| 83 | 'drv/platform/msim',
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| 84 | 'drv/block/ddisk',
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| 85 | 'drv/char/msim-con',
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| 86 | ]
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| 87 |
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| 88 | endif
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| 89 |
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| 90 | rd_drv += rd_essential_drv
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