Add execution monitor

tillitis · Jun 26, 2023 · 43ef5ee · 43ef5ee
1 parent 92a091c
commit 43ef5ee
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Showing 2 changed files with 14 additions and 4 deletions.
diff --git a/signer/app.bin.sha512 b/signer/app.bin.sha512
@@ -1 +1 @@
-93c8e7fba755f78d3827464408e04af3525ff28ebc8885b9065de83648bd0bc66ec9342348c08060cfb7c64bca0ec7836008c19a6e10190667e027b3802cd04f  app.bin
+6ae41e056313045a15c5cf71cb75aadd689956220bf6480f62aab8409df3ee08a897bbc828c55191f7cfa7fc876e5fb97efe6df03a55f56c49331e61d3e55022  app.bin
diff --git a/signer/main.c b/signer/main.c
@@ -7,9 +7,14 @@
 #include "app_proto.h"
 
 // clang-format off
-static volatile uint32_t *cdi =   (volatile uint32_t *)TK1_MMIO_TK1_CDI_FIRST;
-static volatile uint32_t *led =   (volatile uint32_t *)TK1_MMIO_TK1_LED;
-static volatile uint32_t *touch = (volatile uint32_t *)TK1_MMIO_TOUCH_STATUS;
+static volatile uint32_t *cdi           = (volatile uint32_t *)TK1_MMIO_TK1_CDI_FIRST;
+static volatile uint32_t *led           = (volatile uint32_t *)TK1_MMIO_TK1_LED;
+static volatile uint32_t *touch         = (volatile uint32_t *)TK1_MMIO_TOUCH_STATUS;
+static volatile uint32_t *cpu_mon_ctrl  = (volatile uint32_t *) TK1_MMIO_TK1_CPU_MON_CTRL;
+static volatile uint32_t *cpu_mon_first = (volatile uint32_t *) TK1_MMIO_TK1_CPU_MON_FIRST;
+static volatile uint32_t *cpu_mon_last  = (volatile uint32_t *) TK1_MMIO_TK1_CPU_MON_LAST;
+static volatile uint32_t *app_addr      = (volatile uint32_t *) TK1_MMIO_TK1_APP_ADDR;
+static volatile uint32_t *app_size      = (volatile uint32_t *) TK1_MMIO_TK1_APP_SIZE;
 
 #define LED_BLACK 0
 #define LED_RED   (1 << TK1_MMIO_TK1_LED_R_BIT)
@@ -59,6 +64,11 @@ int main(void)
 	uint8_t in;
 	uint32_t local_cdi[8];
 
+	// Use Execution Monitor on RAM after app
+	*cpu_mon_first = *app_addr + *app_size;
+	*cpu_mon_last = TK1_RAM_BASE + TK1_RAM_SIZE;
+	*cpu_mon_ctrl = 1;
+
 	qemu_puts("Hello! &stack is on: ");
 	qemu_putinthex((uint32_t)&stack);
 	qemu_lf();