Init
This commit is contained in:
commit
d112eeac26
21
Makefile
Normal file
21
Makefile
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all:
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arm-none-eabi-gcc -r -Tlibpqscheme.ld -fPIC -nostartfiles -o libpqscheme_test.elf libpqscheme_test.c -Iruntime_mps2/out/an386/pack/include
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arm-none-eabi-gcc -mcpu=Cortex-M4 -Truntime_mps2/out/an386/pack/lib/mps2.ld -nostartfiles -o runner.elf runner.c -Lruntime_mps2/out/an386/pack/lib -lmps2-an386_runtime -Iruntime_mps2/out/an386/pack/include
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arm-none-eabi-ar rcs runner runner.elf
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arm-none-eabi-objcopy -O binary libpqscheme_test.elf libpqscheme_test.bin
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run:
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qemu-system-arm \
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-M mps2-an386 \
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-cpu cortex-m4 \
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-nographic \
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-kernel runner.elf \
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-initrd libpqscheme_test.elf \
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-semihosting
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clean:
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rm -rf *.o *.a *.elf
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proper: clean
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cd runtime_mps2 && cmake --build --preset an386 --target clean
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18
libpqscheme.ld
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18
libpqscheme.ld
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MEMORY
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{
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RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 16K
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}
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SECTIONS
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{
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.text : {
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*(.text)
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*(.rodata)
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} > RAM
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.data : {
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KEEP(*(.magic_number)) /* Ensure the magic number is kept */
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LONG(ADDR(.text) + 4) /* Entry point */
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*(.data)
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} > RAM
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}
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BIN
libpqscheme_test.bin
Normal file
BIN
libpqscheme_test.bin
Normal file
Binary file not shown.
15
libpqscheme_test.c
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15
libpqscheme_test.c
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#include <platform/printf.h>
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#include <stdint.h>
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__attribute__((section(".magic_number"))) volatile const uint32_t magic_number =
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0xDEADBEEF; // Prevent optimization
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__attribute__((
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section(".magic_number1"))) volatile const uint32_t magic_number1 =
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0xDEADBEEA; // Prevent optimization
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__attribute__((section(".text"))) int cryptographic_test() {
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// Run unit tests for cryptographic scheme
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//while(1); // Debug loop
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return 7;
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}
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42
runner.c
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42
runner.c
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#include <platform/platform.h>
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#include <platform/printf.h>
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#include <stdint.h>
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#define RAM_START 0x20000000
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#define RAM_END RAM_START + 0x00400000
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#define LIB_MAGIC 0xDEADBEEFu
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typedef int (*func_t)(void);
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void execute_library_function() {
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printf("Scanning RAM...\n");
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volatile uint32_t *ptr = (uint32_t *)RAM_START;
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while ((uint32_t)ptr < RAM_END) {
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if (*ptr == LIB_MAGIC) {
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printf("Found libpqscheme_test!\n");
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uint32_t entry_point = *(ptr + 4);
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printf("%X\n", entry_point);
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entry_point += 4;
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printf("%X\n", entry_point);
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func_t test_func = (func_t)entry_point;
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if (test_func) {
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printf("Try exec...%X\n", entry_point);
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printf(">> %d\n", test_func());
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}
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return;
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}
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ptr++;
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}
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printf("Test binary not found!\n");
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}
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void main() {
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platform_init(PLATFORM_CLOCK_MAX);
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platform_sync();
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printf("Runner started\n");
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execute_library_function();
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printf("Execution finished\n");
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}
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1
runtime_mps2
Submodule
1
runtime_mps2
Submodule
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Subproject commit 7c6a05c1bb2882b8c6fdf6dadacdedc072f2e835
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