URL
https://opencores.org/ocsvn/neorv32/neorv32/trunk
Subversion Repositories neorv32
Compare Revisions
- This comparison shows the changes necessary to convert path
/neorv32/trunk/sw/example
- from Rev 27 to Rev 28
- ↔ Reverse comparison
Rev 27 → Rev 28
/cpu_test/main.c
40,6 → 40,7
**************************************************************************/ |
|
#include <neorv32.h> |
#include <string.h> |
|
|
/**********************************************************************//** |
52,10 → 53,14
#define DETAILED_EXCEPTION_DEBUG 0 |
//** Set 1 to run memory tests */ |
#define PROBING_MEM_TEST 0 |
//** Set 1 to run external memory test */ |
#define EXT_MEM_TEST 1 |
//** Reachable unaligned address */ |
#define ADDR_UNALIGNED 0x00000002 |
//** Unreachable aligned address */ |
#define ADDR_UNREACHABLE 0xFFFFFF00 |
//* external memory base address */ |
#define EXT_MEM_BASE 0xF0000000 |
/**@}*/ |
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|
198,7 → 203,7
// Instruction memory test |
// ---------------------------------------------------------- |
exception_handler_answer = 0xFFFFFFFF; |
neorv32_uart_printf("IMEM_TEST: "); |
neorv32_uart_printf("IMEM TEST: "); |
#if (PROBING_MEM_TEST == 1) |
cnt_test++; |
|
214,9 → 219,9
dmem_probe_cnt++; |
} |
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neorv32_uart_printf("%u bytes (should be %u bytes) ", dmem_probe_cnt, SYSINFO_ISPACE_SIZE); |
neorv32_uart_printf("%u bytes (should be %u bytes) ", dmem_probe_cnt, SYSINFO_IMEM_SIZE); |
neorv32_uart_printf("@ 0x%x ", SYSINFO_ISPACE_BASE); |
if (dmem_probe_cnt == SYSINFO_ISPACE_SIZE) { |
if (dmem_probe_cnt == SYSINFO_IMEM_SIZE) { |
test_ok(); |
} |
else { |
231,7 → 236,7
// Data memory test |
// ---------------------------------------------------------- |
exception_handler_answer = 0xFFFFFFFF; |
neorv32_uart_printf("DMEM_TEST: "); |
neorv32_uart_printf("DMEM TEST: "); |
#if (PROBING_MEM_TEST == 1) |
cnt_test++; |
|
247,9 → 252,9
imem_probe_cnt++; |
} |
|
neorv32_uart_printf("%u bytes (should be %u bytes) ", imem_probe_cnt, SYSINFO_DSPACE_SIZE); |
neorv32_uart_printf("%u bytes (should be %u bytes) ", imem_probe_cnt, SYSINFO_DMEM_SIZE); |
neorv32_uart_printf("@ 0x%x ", SYSINFO_DSPACE_BASE); |
if (imem_probe_cnt == SYSINFO_DSPACE_SIZE) { |
if (imem_probe_cnt == SYSINFO_DMEM_SIZE) { |
test_ok(); |
} |
else { |
261,6 → 266,49
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// ---------------------------------------------------------- |
// External memory interface test |
// ---------------------------------------------------------- |
exception_handler_answer = 0xFFFFFFFF; |
neorv32_uart_printf("EXT_MEM TEST: "); |
#if (EXT_MEM_TEST == 1) |
cnt_test++; |
|
// create test program in RAM |
static const uint32_t dummy_ext_program[2] __attribute__((aligned(8))) = { |
0x3407D073, // csrwi mscratch, 15 |
0x00008067 // ret (32-bit) |
}; |
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// copy to external memory |
if (memcpy((void*)EXT_MEM_BASE, (void*)&dummy_ext_program, (size_t)sizeof(dummy_ext_program)) == NULL) { |
test_fail(); |
} |
else { |
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// execute program |
tmp_a = (uint32_t)EXT_MEM_BASE; // call the dummy sub program |
asm volatile ("jalr ra, %[input_i]" : : [input_i] "r" (tmp_a)); |
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#if (DETAILED_EXCEPTION_DEBUG==0) |
if (exception_handler_answer == 0xFFFFFFFF) { // make sure there was no exception |
if (neorv32_cpu_csr_read(CSR_MSCRATCH) == 15) { // make sure the program was executed in the right way |
test_ok(); |
} |
else { |
test_fail(); |
} |
} |
else { |
test_fail(); |
} |
#endif |
} |
#else |
neorv32_uart_printf("skipped (disabled)\n"); |
#endif |
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// ---------------------------------------------------------- |
// Test time[h] (must be == MTIME) |
// ---------------------------------------------------------- |
neorv32_uart_printf("TIME[H]: "); |