Last change
on this file since 554 was
232,
checked in by alain, 12 years ago
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Introducing the elementary tests for a TSAR mono-cluster
mono-processor platform with MMU using the vci_cc_vcache_v4
such as the "tsarv4_mono_mmu".
(assemby level tests written by Manuel Bouyer)
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File size:
1.5 KB
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Line | |
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1 | /* |
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2 | * basic DMA check: check that the DMA engine works and and doens't |
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3 | * clobbers memory |
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4 | */ |
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5 | #include <registers.h> |
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6 | #include <misc.h> |
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7 | #include <vcache.h> |
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8 | .text |
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9 | .globl _start |
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10 | _start: |
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11 | .set noreorder |
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12 | la k0, TTY_BASE |
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13 | la k1, EXIT_BASE |
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14 | |
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15 | PRINT(mmustr_a) |
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16 | |
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17 | /* reset cop0 status (keep BEV) */ |
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18 | lui a0, 0x0040; |
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19 | mtc0 a0, COP0_STATUS |
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20 | |
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21 | la t0, tstdst |
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22 | sw zero, 0(t0); |
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23 | PRINT(tstdst) |
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24 | PUTCHAR('E') |
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25 | PUTCHAR('\n') |
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26 | |
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27 | la a1, DMA_BASE |
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28 | la a0, tstsrc |
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29 | sw a0, DMA_SRC(a1) |
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30 | la a0, tstdst |
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31 | sw a0, DMA_DST(a1) |
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32 | la a0, 160 #strlen(tstsrc) |
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33 | sw a0, DMA_LEN(a1) /* start DMA */ |
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34 | loop: |
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35 | lw a0, DMA_LEN(a1) |
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36 | bne a0, zero, loop; |
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37 | nop |
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38 | |
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39 | PRINT(mmustr_b) |
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40 | PRINT(tstdst) |
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41 | |
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42 | /* we should get there */ |
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43 | EXIT(0) |
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44 | |
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45 | .globl excep |
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46 | excep: |
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47 | .set noreorder |
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48 | PRINT(statusstr) |
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49 | mfc0 a0, COP0_STATUS |
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50 | PRINTX |
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51 | |
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52 | PRINT(causestr) |
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53 | mfc0 a0, COP0_CAUSE |
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54 | PRINTX |
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55 | |
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56 | PRINT(pcstr) |
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57 | mfc0 a0, COP0_EXPC |
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58 | PRINTX |
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59 | |
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60 | PRINT(badvastr) |
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61 | mfc0 a0, COP_0_BADVADDR |
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62 | PRINTX |
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63 | |
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64 | PUTCHAR('\n') |
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65 | /* we should not get there */ |
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66 | EXIT(3) |
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67 | |
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68 | .rodata: |
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69 | statusstr: .ascii "status \0" |
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70 | causestr: .ascii " cause \0" |
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71 | pcstr: .ascii " pc \0" |
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72 | badvastr: .ascii " badva \0" |
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73 | mmustr_a: .ascii "before DMA \0" |
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74 | mmustr_b: .ascii "after DMA \0" |
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75 | startstr: .ascii "start\n\0" |
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76 | |
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77 | .org EXCEP_ADDRESS - BOOT_ADDRESS |
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78 | .globl evect |
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79 | evect: |
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80 | j excep |
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81 | nop |
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82 | |
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83 | .data |
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84 | testval: |
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85 | .word MAGIC2 |
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86 | testval2: |
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87 | .word MAGIC4 |
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88 | testval3: |
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89 | .word MAGIC4 |
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90 | tstdst: |
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91 | .word 0 |
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92 | .org 0x1000 |
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93 | testval4: |
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94 | .word MAGIC1 |
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95 | tstsrc: |
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96 | .ascii "this is the test string unaligned and more than 64 chars long abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 123456789 abcdefghijklmnopqrstuvwxyz\n\0" |
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