Mercurial > hg > Members > innparusu > xv6_rpi_port

annotate source/entry.s @ 7:59cb42810ad9

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remove generated file
author mir3636
date Sun, 16 Dec 2018 12:29:39 +0900
parents c450faca55f4
children
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Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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1 /*****************************************************************
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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2 * entry.s
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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3 * by Zhiyi Huang, hzy@cs.otago.ac.nz
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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4 * University of Otago
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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5 *
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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6 ********************************************************************/
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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7
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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8 .section .init
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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9 .globl _start
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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10 _start:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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11
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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12 b entry /* branch to the actual entry code */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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13
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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14 .section .data
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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15
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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16 .align 4
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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17 .globl font
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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18 font:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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19 .incbin "font1.bin"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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20
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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21 .align 4
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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22 .global _binary_initcode_start
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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23 _binary_initcode_start:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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24 .incbin "initcode"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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25 .global _binary_initcode_end
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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26 _binary_initcode_end:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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27
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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28 .align 4
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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29 .global _binary_fs_img_start
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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30 _binary_fs_img_start:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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31 .incbin "fs.img"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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32 .global _binary_fs_img_end
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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33 _binary_fs_img_end:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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34
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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35
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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36 .section .text
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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37
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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38 entry:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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39
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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40 /* interrupts disabled, SVC mode by setting PSR_DISABLE_IRQ|PSR_DISABLE_FIQ|PSR_MODE_SVC */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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41 mov r1, #0x00000080 /* PSR_DISABLE_IRQ */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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42 orr r1, #0x00000040 /* PSR_DISABLE_FIQ */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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43 orr r1, #0x00000013 /* PSR_MODE_SVC */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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44 msr cpsr, r1
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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45
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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46 mov sp, #0x3000
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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47 bl mmuinit0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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48
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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49 /* switch SP and PC into KZERO space */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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50 mov r1, sp
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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51 add r1, #0x80000000
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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52 mov sp, r1
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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53
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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54 ldr r1, =_pagingstart
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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55 bx r1
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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56
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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57 .global _pagingstart
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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58 _pagingstart:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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59 bl cmain /* call C functions now */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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60 bl NotOkLoop
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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61
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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62 .global dsb_barrier
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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63 dsb_barrier:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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64 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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65 mcr p15, 0, r0, c7, c10, 4
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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66 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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67 .global flush_dcache_all
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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68 flush_dcache_all:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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69 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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70 mcr p15, 0, r0, c7, c10, 4 /* dsb */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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71 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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72 mcr p15, 0, r0, c7, c14, 0 /* invalidate d-cache */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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73 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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74 .global flush_idcache
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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75 flush_idcache:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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76 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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77 mcr p15, 0, r0, c7, c10, 4 /* dsb */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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78 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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79 mcr p15, 0, r0, c7, c14, 0 /* invalidate d-cache */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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80 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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81 mcr p15, 0, r0, c7, c5, 0 /* invalidate i-cache */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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82 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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83 .global flush_tlb
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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84 flush_tlb:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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85 mov r0, #0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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86 mcr p15, 0, r0, c8, c7, 0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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87 mcr p15, 0, r0, c7, c10, 4
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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88 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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89 .global flush_dcache /* flush a range of data cache flush_dcache(va1, va2) */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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90 flush_dcache:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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91 mcrr p15, 0, r0, r1, c14
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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92 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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93 .global set_pgtbase /* set the page table base set_pgtbase(base) */
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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94 set_pgtbase:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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95 mcr p15, 0, r0, c2, c0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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96 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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97
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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98 .global getsystemtime
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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99 getsystemtime:
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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100 ldr r0, =0xFE003004 /* addr of the time-stamp lower 32 bits */
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mir3636
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101 //ldr r0, =0xFE1E2020 /* addr of the time-stamp lower 32 bits */
0
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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102 ldrd r0, r1, [r0]
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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103 bx lr
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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104
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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105