From 7f38fc4fb28d62f8ffe40ccb4a2329a4da12a2c1 Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Tue, 24 May 2016 15:44:36 -0400
Subject: Add mkmif

---
 tests/test-mkmif.c | 149 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 tests/test-mkmif.c

(limited to 'tests/test-mkmif.c')

diff --git a/tests/test-mkmif.c b/tests/test-mkmif.c
new file mode 100644
index 0000000..0729628
--- /dev/null
+++ b/tests/test-mkmif.c
@@ -0,0 +1,149 @@
+/*
+ * Test Joachim's MKMIF core.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+
+#include <sys/time.h>
+
+#include <hal.h>
+
+#define SCLK_DIV 0x00000020
+
+typedef union {
+    uint8_t byte[4];
+    uint32_t word;
+} byteword_t;
+
+static hal_error_t sclk_test(const hal_core_t *core, const uint32_t divisor)
+{
+    uint32_t readback;
+    hal_error_t err;
+
+    printf("Trying to adjust the clockspeed.\n");
+
+    if ((err = hal_mkmif_set_clockspeed(core, divisor)) != HAL_OK) {
+        printf("hal_mkmif_set_clockspeed: %s\n", hal_error_string(err));
+        return err;
+    }
+    if ((err = hal_mkmif_get_clockspeed(core, &readback)) != HAL_OK) {
+        printf("hal_mkmif_get_clockspeed: %s\n", hal_error_string(err));
+        return err;
+    }
+    if (readback != divisor) {
+        printf("expected %x, got %x\n", (unsigned int)divisor, (unsigned int)readback);
+        return HAL_ERROR_IO_UNEXPECTED;
+    }
+    return HAL_OK;
+}
+
+static hal_error_t init_test(const hal_core_t *core)
+{
+    hal_error_t err;
+
+    printf("Trying to init to the memory in continuous mode.\n");
+
+    if ((err = hal_mkmif_init(core)) != HAL_OK) {
+        printf("hal_mkmif_init: %s\n", hal_error_string(err));
+        return err;
+    }
+
+    return HAL_OK;
+}
+
+static hal_error_t write_test(const hal_core_t *core)
+{
+    uint32_t write_data;
+    uint32_t write_address;
+    int i;
+    hal_error_t err;
+    
+    for (write_data = 0x01020304, write_address = 0, i = 0;
+         i < 0x10;
+         write_data += 0x01010101, write_address += 4, ++i) {
+
+        printf("Trying to write 0x%08x to memory address 0x%08x.\n", 
+               (unsigned int)write_data, (unsigned int)write_address);
+
+        if ((err = hal_mkmif_write_word(core, write_address, write_data)) != HAL_OK) {
+            printf("hal_mkmif_write: %s\n", hal_error_string(err));
+            return err;
+        }
+    }
+
+    return HAL_OK;
+}
+
+static hal_error_t read_test(const hal_core_t *core)
+{
+    uint32_t read_data;
+    uint32_t read_address;
+    int i;
+    hal_error_t err;
+    
+    for (read_address = 0, i = 0;
+         i < 0x10;
+         read_address += 4, ++i) {
+
+        printf("Trying to read from memory address 0x%08x.\n", (unsigned int)read_address);
+
+        if ((err = hal_mkmif_read_word(core, read_address, &read_data)) != HAL_OK) {
+            printf("hal_mkmif_read: %s\n", hal_error_string(err));
+            return err;
+        }
+        printf("Data read: 0x%08x\n", (unsigned int)read_data);
+    }
+
+    return HAL_OK;
+}
+
+static hal_error_t write_read_test(const hal_core_t *core)
+{
+    uint32_t data;
+    uint32_t readback;
+    hal_error_t err;
+
+    printf("Trying to write 0xdeadbeef to the memory and then read back.\n");
+
+    data = 0xdeadbeef;
+
+    if ((err = hal_mkmif_write_word(core, 0x00000000, data)) != HAL_OK) {
+        printf("write error: %s\n", hal_error_string(err));
+        return err;
+    }
+      
+    if ((err = hal_mkmif_read_word(core, 0x00000000, &readback)) != HAL_OK) {
+        printf("read error: %s\n", hal_error_string(err));
+        return err;
+    }
+
+    if (readback != data) {
+        printf("read %04x, expected %04x\n", (unsigned int)readback, (unsigned int)data);
+        return HAL_ERROR_IO_UNEXPECTED;
+    }
+      
+    return HAL_OK;
+}
+
+int main(void)
+{
+    const hal_core_t *core = hal_core_find(MKMIF_NAME, NULL);
+
+    if (core == NULL) {
+        printf("MKMIF core not present, not testing.\n");
+        return HAL_ERROR_CORE_NOT_FOUND;
+    }
+
+    hal_io_set_debug(1);
+
+    return
+        sclk_test(core, SCLK_DIV) ||
+        init_test(core) ||
+        write_read_test(core) ||
+        write_test(core) ||
+        read_test(core);
+}
-- 
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