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Diffstat (limited to 'tests/tcg/i386/system/memory.c')
| -rw-r--r-- | tests/tcg/i386/system/memory.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/tests/tcg/i386/system/memory.c b/tests/tcg/i386/system/memory.c deleted file mode 100644 index a7a0a8e978..0000000000 --- a/tests/tcg/i386/system/memory.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * Memory Test - * - * This is intended to test the softmmu code and ensure we properly - * behave across normal and unaligned accesses across several pages. - * We are not replicating memory tests for stuck bits and other - * hardware level failures but looking for issues with different size - * accesses when: - - * - */ - -#include <inttypes.h> -#include <minilib.h> - -#define TEST_SIZE (4096 * 4) /* 4 pages */ - -static uint8_t test_data[TEST_SIZE]; - -static void pdot(int count) -{ - if (count % 128 == 0) { - ml_printf("."); - } -} - - -/* - * Fill the data with ascending value bytes. As x86 is a LE machine we - * write in ascending order and then read and high byte should either - * be zero or higher than the lower bytes. - */ - -static void init_test_data_u8(void) -{ - uint8_t count = 0, *ptr = &test_data[0]; - int i; - - ml_printf("Filling test area with u8:"); - for (i = 0; i < TEST_SIZE; i++) { - *ptr++ = count++; - pdot(i); - } - ml_printf("done\n"); -} - -static void init_test_data_u16(int offset) -{ - uint8_t count = 0; - uint16_t word, *ptr = (uint16_t *) &test_data[0]; - const int max = (TEST_SIZE - offset) / sizeof(word); - int i; - - ml_printf("Filling test area with u16 (offset %d):", offset); - - /* Leading zeros */ - for (i = 0; i < offset; i++) { - *ptr = 0; - } - - ptr = (uint16_t *) &test_data[offset]; - for (i = 0; i < max; i++) { - uint8_t high, low; - low = count++; - high = count++; - word = (high << 8) | low; - *ptr++ = word; - pdot(i); - } - ml_printf("done\n"); -} - -static void init_test_data_u32(int offset) -{ - uint8_t count = 0; - uint32_t word, *ptr = (uint32_t *) &test_data[0]; - const int max = (TEST_SIZE - offset) / sizeof(word); - int i; - - ml_printf("Filling test area with u32 (offset %d):", offset); - - /* Leading zeros */ - for (i = 0; i < offset; i++) { - *ptr = 0; - } - - ptr = (uint32_t *) &test_data[offset]; - for (i = 0; i < max; i++) { - uint8_t b1, b2, b3, b4; - b4 = count++; - b3 = count++; - b2 = count++; - b1 = count++; - word = (b1 << 24) | (b2 << 16) | (b3 << 8) | b4; - *ptr++ = word; - pdot(i); - } - ml_printf("done\n"); -} - - -static int read_test_data_u16(int offset) -{ - uint16_t word, *ptr = (uint16_t *)&test_data[offset]; - int i; - const int max = (TEST_SIZE - offset) / sizeof(word); - - ml_printf("Reading u16 from %#lx (offset %d):", ptr, offset); - - for (i = 0; i < max; i++) { - uint8_t high, low; - word = *ptr++; - high = (word >> 8) & 0xff; - low = word & 0xff; - if (high < low && high != 0) { - ml_printf("Error %d < %d\n", high, low); - return 1; - } else { - pdot(i); - } - - } - ml_printf("done\n"); - return 0; -} - -static int read_test_data_u32(int offset) -{ - uint32_t word, *ptr = (uint32_t *)&test_data[offset]; - int i; - const int max = (TEST_SIZE - offset) / sizeof(word); - - ml_printf("Reading u32 from %#lx (offset %d):", ptr, offset); - - for (i = 0; i < max; i++) { - uint8_t b1, b2, b3, b4; - word = *ptr++; - - b1 = word >> 24 & 0xff; - b2 = word >> 16 & 0xff; - b3 = word >> 8 & 0xff; - b4 = word & 0xff; - - if ((b1 < b2 && b1 != 0) || - (b2 < b3 && b2 != 0) || - (b3 < b4 && b3 != 0)) { - ml_printf("Error %d, %d, %d, %d", b1, b2, b3, b4); - return 2; - } else { - pdot(i); - } - } - ml_printf("done\n"); - return 0; -} - -static int read_test_data_u64(int offset) -{ - uint64_t word, *ptr = (uint64_t *)&test_data[offset]; - int i; - const int max = (TEST_SIZE - offset) / sizeof(word); - - ml_printf("Reading u64 from %#lx (offset %d):", ptr, offset); - - for (i = 0; i < max; i++) { - uint8_t b1, b2, b3, b4, b5, b6, b7, b8; - word = *ptr++; - - b1 = ((uint64_t) (word >> 56)) & 0xff; - b2 = ((uint64_t) (word >> 48)) & 0xff; - b3 = ((uint64_t) (word >> 40)) & 0xff; - b4 = (word >> 32) & 0xff; - b5 = (word >> 24) & 0xff; - b6 = (word >> 16) & 0xff; - b7 = (word >> 8) & 0xff; - b8 = (word >> 0) & 0xff; - - if ((b1 < b2 && b1 != 0) || - (b2 < b3 && b2 != 0) || - (b3 < b4 && b3 != 0) || - (b4 < b5 && b4 != 0) || - (b5 < b6 && b5 != 0) || - (b6 < b7 && b6 != 0) || - (b7 < b8 && b7 != 0)) { - ml_printf("Error %d, %d, %d, %d, %d, %d, %d, %d", - b1, b2, b3, b4, b5, b6, b7, b8); - return 2; - } else { - pdot(i); - } - } - ml_printf("done\n"); - return 0; -} - -/* Read the test data and verify at various offsets */ -int do_reads(void) -{ - int r = 0; - int off = 0; - - while (r == 0 && off < 8) { - r = read_test_data_u16(off); - r |= read_test_data_u32(off); - r |= read_test_data_u64(off); - off++; - } - - return r; -} - -int main(void) -{ - int i, r = 0; - - - init_test_data_u8(); - r = do_reads(); - if (r) { - return r; - } - - for (i = 0; i < 8; i++) { - init_test_data_u16(i); - - r = do_reads(); - if (r) { - return r; - } - } - - for (i = 0; i < 8; i++) { - init_test_data_u32(i); - - r = do_reads(); - if (r) { - return r; - } - } - - ml_printf("Test complete: %s\n", r == 0 ? "PASSED" : "FAILED"); - return r; -} |