Add a dummy ape implimentation that just increments a SHM value.

1 files changed, 97 insertions, 0 deletions

diff --git a/ape/vectors.c b/ape/vectors.c
new file mode 100644
index 0000000..0c41bd0
--- /dev/null
+++ b/ape/vectors.c
@@ -0,0 +1,97 @@
+////////////////////////////////////////////////////////////////////////////////
+///
+/// @file       vectors.c
+///
+/// @project
+///
+/// @brief      APE vector table
+///
+////////////////////////////////////////////////////////////////////////////////
+///
+////////////////////////////////////////////////////////////////////////////////
+///
+/// @copyright Copyright (c) 2019, Evan Lojewski
+/// @cond
+///
+/// All rights reserved.
+///
+/// Redistribution and use in source and binary forms, with or without
+/// modification, are permitted provided that the following conditions are met:
+/// 1. Redistributions of source code must retain the above copyright notice,
+/// this list of conditions and the following disclaimer.
+/// 2. Redistributions in binary form must reproduce the above copyright notice,
+/// this list of conditions and the following disclaimer in the documentation
+/// and/or other materials provided with the distribution.
+/// 3. Neither the name of the copyright holder nor the
+/// names of its contributors may be used to endorse or promote products
+/// derived from this software without specific prior written permission.
+///
+////////////////////////////////////////////////////////////////////////////////
+///
+/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+/// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+/// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+/// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+/// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+/// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+/// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+/// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+/// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+/// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+/// POSSIBILITY OF SUCH DAMAGE.
+/// @endcond
+////////////////////////////////////////////////////////////////////////////////
+
+#include <stdint.h>
+
+// Function pointer for vectors
+typedef void (*vector_t)(void) __attribute__((interrupt));
+
+// Vector table
+typedef struct {
+    uint32_t* sp;
+    vector_t* __start;
+    vector_t* vectors[46];
+} vector_table_t;
+
+extern uint32_t _estack;
+
+extern vector_t __start;
+
+#pragma weak Vector_NMI
+#pragma weak Vector_HardFault
+#pragma weak Vector_MemoryManagmentFault
+#pragma weak Vector_BusFault
+#pragma weak Vector_UsageFault
+#pragma weak Vector_SVCall
+#pragma weak Vector_Debug
+#pragma weak Vector_PendSV
+#pragma weak Vector_Systick
+
+extern vector_t Vector_NMI;
+extern vector_t Vector_HardFault;
+extern vector_t Vector_MemoryManagmentFault;
+extern vector_t Vector_BusFault;
+extern vector_t Vector_UsageFault;
+extern vector_t Vector_SVCall;
+extern vector_t Vector_Debug;
+extern vector_t Vector_PendSV;
+extern vector_t Vector_Systick;
+
+vector_table_t gVectors __attribute__((section(".init"))) = {
+    .sp = &_estack,
+    .__start = &__start,
+    .vectors = {
+        [0] = &Vector_NMI,
+        [1] = &Vector_HardFault,
+        [2] = &Vector_MemoryManagmentFault,
+        [3] = &Vector_BusFault,
+        [4] = &Vector_UsageFault,
+
+        [9] = &Vector_SVCall,
+        [10] = &Vector_Debug,
+
+        [12] = &Vector_PendSV,
+        [13] = &Vector_Systick,
+    }
+};