diff options
Diffstat (limited to 'projects/hsm')
| -rw-r--r-- | projects/hsm/Makefile | 26 | ||||
| -rw-r--r-- | projects/hsm/main.c | 130 |
2 files changed, 156 insertions, 0 deletions
diff --git a/projects/hsm/Makefile b/projects/hsm/Makefile new file mode 100644 index 0000000..b933653 --- /dev/null +++ b/projects/hsm/Makefile @@ -0,0 +1,26 @@ +PROJ = hsm + +SRCS = main.c + +OBJS = $(SRCS:.c=.o) + +CFLAGS += -I $(LIBHAL_DIR) + +LIBS += $(LIBHAL_DIR)/libhal.a $(LIBTFM_DIR)/libtfm.a + +all: $(PROJ:=.elf) + +$(PROJ).elf: $(OBJS) $(BOARD_OBJS) $(LIBS) + $(CC) $(CFLAGS) $^ -o $@ -T$(LDSCRIPT) -g -Wl,-Map=$(PROJ).map + $(OBJCOPY) -O ihex $(PROJ).elf $(PROJ).hex + $(OBJCOPY) -O binary $(PROJ).elf $(PROJ).bin + $(OBJDUMP) -St $(PROJ).elf >$(PROJ).lst + $(SIZE) $(PROJ).elf + +clean: + rm -f *.o + rm -f *.elf + rm -f *.hex + rm -f *.bin + rm -f *.map + rm -f *.lst diff --git a/projects/hsm/main.c b/projects/hsm/main.c new file mode 100644 index 0000000..6c3d2e3 --- /dev/null +++ b/projects/hsm/main.c @@ -0,0 +1,130 @@ +/* + * rpc_server.c + * ------------ + * Remote procedure call server-side private API implementation. + * + * Copyright (c) 2016, NORDUnet A/S All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - 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. + * + * - Neither the name of the NORDUnet 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. + */ + +#include "cmsis_os.h" + +#include "stm-init.h" +#include "stm-led.h" +#include "stm-fmc.h" +#include "stm-uart.h" + +/* stm32f4xx_hal_def.h and hal.h both define HAL_OK as an enum value */ +#define HAL_OK HAL_OKAY + +#include "hal.h" + +/* declared in hal_internal.h */ +extern hal_error_t hal_rpc_sendto(const uint8_t * const buf, const size_t len, void *opaque); +extern hal_error_t hal_rpc_recvfrom(uint8_t * const buf, size_t * const len, void **opaque); + +#ifndef MAX_PKT_SIZE +#define MAX_PKT_SIZE 4096 +#endif + +typedef struct { + void *opaque; + size_t len; + uint8_t buf[MAX_PKT_SIZE]; +} rpc_buffer_t; + +osPoolDef(rpc_buffer_pool, 16, rpc_buffer_t); +osPoolId rpc_buffer_pool; + +rpc_buffer_t *rpc_buffer_alloc(void) +{ + rpc_buffer_t *rbuf = (rpc_buffer_t *)osPoolCAlloc(rpc_buffer_pool); + if (rbuf) + rbuf->len = sizeof(rbuf->buf); + return rbuf; +} + +osMutexId uart_mutex; +osMutexDef(uart_mutex); + +void dispatch_thread(void const *args) +{ + rpc_buffer_t *ibuf = (rpc_buffer_t *)args; + rpc_buffer_t *obuf = rpc_buffer_alloc(); // NULL check + obuf->opaque = ibuf->opaque; + hal_rpc_server_dispatch(ibuf->buf, ibuf->len, obuf->buf, &obuf->len); + osPoolFree(rpc_buffer_pool, ibuf); + osMutexWait(uart_mutex, osWaitForever); + hal_rpc_sendto(obuf->buf, obuf->len, obuf->opaque); + osMutexRelease(uart_mutex); + osPoolFree(rpc_buffer_pool, obuf); +} +osThreadDef(dispatch_thread, osPriorityNormal, DEFAULT_STACK_SIZE); + +void rpc_server_main(void) +{ + hal_error_t ret; + + while (1) { + rpc_buffer_t *ibuf = rpc_buffer_alloc(); // NULL check + // separate allocations for struct and block of memory? + ret = hal_rpc_recvfrom(ibuf->buf, &ibuf->len, &ibuf->opaque); + if (ret == HAL_OK) { + osThreadCreate(osThread(dispatch_thread), (void *)ibuf); + } + } +} + +int main() +{ + stm_init(); + +#ifdef TARGET_CRYPTECH_DEV_BRIDGE + // Blink blue LED for six seconds to not upset the Novena at boot. + led_on(LED_BLUE); + for (int i = 0; i < 12; i++) { + osDelay(500); + led_toggle(LED_BLUE); + } +#endif + // prepare fmc interface + fmc_init(); + + rpc_buffer_pool = osPoolCreate(osPool(rpc_buffer_pool)); + uart_mutex = osMutexCreate(osMutex(uart_mutex)); + +#ifdef TARGET_CRYPTECH_ALPHA + // Launch other threads: + // - admin thread on USART1 + // - csprng warm-up thread? +#endif + + if (hal_rpc_server_init() != HAL_OK) + return 1; + rpc_server_main(); +} |