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Diffstat (limited to 'os/various/memtest.h')
-rw-r--r-- | os/various/memtest.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/os/various/memtest.h b/os/various/memtest.h new file mode 100644 index 0000000..721b36b --- /dev/null +++ b/os/various/memtest.h @@ -0,0 +1,88 @@ +/* + ChibiOS/RT - Copyright (C) 2013-2014 Uladzimir Pylinsky aka barthess + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +#ifndef MEMTEST_H_ +#define MEMTEST_H_ + +#define MEMTEST_WALKING_ONE (1 << 0) +#define MEMTEST_WALKING_ZERO (1 << 1) +#define MEMTEST_OWN_ADDRESS (1 << 2) +#define MEMTEST_MOVING_INVERSION_ZERO (1 << 3) +#define MEMTEST_MOVING_INVERSION_55AA (1 << 4) +#define MEMTEST_MOVING_INVERSION_RAND (1 << 5) + +#define MEMTEST_RUN_ALL (MEMTEST_WALKING_ONE | \ + MEMTEST_WALKING_ZERO | \ + MEMTEST_OWN_ADDRESS | \ + MEMTEST_MOVING_INVERSION_ZERO | \ + MEMTEST_MOVING_INVERSION_55AA | \ + MEMTEST_MOVING_INVERSION_RAND) + +typedef struct memtest_t memtest_t; +typedef uint32_t testtype; + +/* + * Error call back. + */ +typedef void (*memtestecb_t)(memtest_t *testp, testtype type, size_t index, + size_t current_width, uint32_t got, uint32_t expect); + +/* + * + */ +typedef enum { + MEMTEST_WIDTH_8, + MEMTEST_WIDTH_16, + MEMTEST_WIDTH_32, +} memtest_bus_width_t; + +/* + * + */ +struct memtest_t { + /* + * Pointer to the test area start. Must be word aligned. + */ + void *start; + /* + * Test area size in bytes. + */ + size_t size; + /* + * Maximum width of transactions. + * Note: it implies all narrower tests. + * Note: width my be wider then your memory interface because AHB is + * smart enough to split big transactions to smaller ones. + */ + memtest_bus_width_t width; + /* + * Error callback pointer. Set to NULL if unused. + */ + memtestecb_t errcb; +}; + +/* + * + */ +#ifdef __cplusplus +extern "C" { +#endif + void memtest_run(memtest_t *testp, uint32_t testmask); +#ifdef __cplusplus +} +#endif + +#endif /* MEMTEST_H_ */ |