| 1 | #include "stdio.h" |
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| 2 | #include "cpu.h" |
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| 3 | #include "hard_config.h" |
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| 4 | #include "io.h" |
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| 5 | #include "simhelper.h" |
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| 6 | #include "cpu_registers.h" |
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| 7 | #include "xcu.h" |
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| 8 | #include "soclib/dspin_router_config.h" |
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| 9 | #include "assert.h" |
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| 10 | |
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| 11 | void exception_handler() |
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| 12 | { |
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| 13 | printf("exception_handler(): failure / pid %d\n", cpu_procid()); |
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| 14 | simh_stop_simulation(); |
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| 15 | } |
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| 16 | |
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| 17 | void main(void) |
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| 18 | { |
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| 19 | printf("main(): pid %d\n", cpu_procid()); |
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| 20 | |
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| 21 | /* set the watchdog timer threshold to detect an error during the |
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| 22 | * reconfiguration of the NoC */ |
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| 23 | cpu_set_wdt_max(5000); |
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| 24 | |
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| 25 | /* configure the routers around the blackhole (1, 1) to define a cycle-free |
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| 26 | * contour */ |
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| 27 | const int RECOVERY = 1; |
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| 28 | uint32_t val; |
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| 29 | |
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| 30 | printf("router(0, 2): configuring as NW\n"); |
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| 31 | val = (REQ_SOUTH << 5) | (RECOVERY << 4) | NW_OF_X; |
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| 32 | xcu_set_register(0, 2, XICU_CFG_REG, 0, val); /* configure NW */ |
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| 33 | |
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| 34 | printf("router(0, 1): configuring as W\n"); |
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| 35 | val = (REQ_LOCAL << 5) | (RECOVERY << 4) | W_OF_X; |
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| 36 | xcu_set_register(0, 1, XICU_CFG_REG, 0, val); /* configure W */ |
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| 37 | |
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| 38 | printf("router(0, 0): configuring as SW\n"); |
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| 39 | val = (REQ_NORTH << 5) | (RECOVERY << 4) | SW_OF_X; |
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| 40 | xcu_set_register(0, 0, XICU_CFG_REG, 0, val); /* configure SW */ |
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| 41 | |
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| 42 | printf("router(1, 2): configuring as N\n"); |
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| 43 | val = (REQ_WEST << 5) | (RECOVERY << 4) | N_OF_X; |
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| 44 | xcu_set_register(1, 2, XICU_CFG_REG, 0, val); /* configure N */ |
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| 45 | |
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| 46 | printf("router(2, 2): configuring as NE\n"); |
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| 47 | val = (REQ_WEST << 5) | (RECOVERY << 4) | NE_OF_X; |
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| 48 | xcu_set_register(2, 2, XICU_CFG_REG, 0, val); /* configure NE */ |
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| 49 | |
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| 50 | printf("router(2, 1): configuring as E\n"); |
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| 51 | val = (REQ_SOUTH << 5) | (RECOVERY << 4) | E_OF_X; |
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| 52 | xcu_set_register(2, 1, XICU_CFG_REG, 0, val); /* configure E */ |
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| 53 | |
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| 54 | printf("router(2, 0): configuring as SE\n"); |
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| 55 | val = (REQ_WEST << 5) | (RECOVERY << 4) | SE_OF_X; |
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| 56 | xcu_set_register(2, 0, XICU_CFG_REG, 0, val); /* configure SE */ |
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| 57 | |
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| 58 | printf("router(1, 0): configuring as S\n"); |
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| 59 | val = (REQ_WEST << 5) | (RECOVERY << 4) | S_OF_X; |
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| 60 | xcu_set_register(1, 0, XICU_CFG_REG, 0, val); /* configure S */ |
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| 61 | |
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| 62 | assert((xcu_get_register(0, 2, XICU_CFG_REG, 0) & 0xF) == NW_OF_X); |
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| 63 | assert((xcu_get_register(0, 1, XICU_CFG_REG, 0) & 0xF) == W_OF_X); |
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| 64 | assert((xcu_get_register(0, 0, XICU_CFG_REG, 0) & 0xF) == SW_OF_X); |
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| 65 | assert((xcu_get_register(1, 2, XICU_CFG_REG, 0) & 0xF) == N_OF_X); |
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| 66 | assert((xcu_get_register(2, 2, XICU_CFG_REG, 0) & 0xF) == NE_OF_X); |
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| 67 | assert((xcu_get_register(2, 1, XICU_CFG_REG, 0) & 0xF) == E_OF_X); |
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| 68 | assert((xcu_get_register(2, 0, XICU_CFG_REG, 0) & 0xF) == SE_OF_X); |
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| 69 | assert((xcu_get_register(1, 0, XICU_CFG_REG, 0) & 0xF) == S_OF_X); |
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| 70 | |
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| 71 | /* Test the recovered segment that has been migrated to the EAST cluster */ |
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| 72 | ioread32(CLUSTER_BASE(1, 1) | SEG_RAM_BASE); |
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| 73 | |
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| 74 | printf("main(): success\n"); |
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| 75 | simh_stop_simulation(); |
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| 76 | } |
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| 77 | |
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| 78 | /* |
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| 79 | * vim: tabstop=4 : softtabstop=4 : shiftwidth=4 : expandtab |
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| 80 | */ |
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