Mercurial > repos > blastem
annotate test_arm.c @ 987:1f09994e92c5
Initial stab at implementing address error exceptions. Need to fill in the value of IR, undefined bits of last stack frame word and properly deal with address errors that occur during exception processing.
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 26 Apr 2016 23:13:37 -0700 |
parents | 474270dbff15 |
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1 #include <stdio.h> |
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2 #include "gen_arm.h" |
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3 |
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4 typedef int32_t (*fib_fun)(int32_t); |
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5 |
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6 int main(int arc, char **argv) |
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7 { |
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8 code_info code; |
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9 init_code_info(&code); |
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10 uint32_t *fib = code.cur; |
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11 subi(&code, r0, r0, 2, SET_COND); |
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12 movi_cc(&code, r0, 1, NO_COND, CC_LT); |
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13 bx_cc(&code, lr, CC_LT); |
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14 pushm(&code, LR | R4); |
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15 mov(&code, r4, r0, NO_COND); |
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16 bl(&code, fib); |
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17 mov(&code, r1, r0, NO_COND); |
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18 addi(&code, r0, r4, 1, NO_COND); |
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19 mov(&code, r4, r1, NO_COND); |
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20 bl(&code, fib); |
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21 add(&code, r0, r4, r0, NO_COND); |
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22 popm(&code, LR | R4); |
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23 bx(&code, lr); |
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24 |
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25 fib_fun fibc = (fib_fun)fib; |
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26 printf("fib(10): %d\n", fibc(10)); |
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27 |
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28 return 0; |
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29 } |