Change fusee folder naming

fusee/fusee-primary/src/main.c

@@ -0,0 +1,45 @@
+#include "utils.h"
+#include "hwinit.h"
+#include "fuse.h"
+#include "se.h"
+#include "sd_utils.h"
+
+#define LOADER_ADDRESS (void (*)(void))(0xFFF00000) 
+
+void load_stage2(void *dst_address) {
+    if (!read_sd_file(dst_address, "fusee-loader.bin")) {
+        /* TODO: This is the failure condition. How should we panic? */
+    }
+}
+
+void load_sbk(void) {
+    uint32_t sbk[0x4];
+    /* Load the SBK into the security engine, if relevant. */
+    memcpy(sbk, (void *)get_fuse_chip_regs()->FUSE_PRIVATE_KEY, 0x10);
+    for (unsigned int i = 0; i < 4; i++) {
+        if (sbk[i] != 0xFFFFFFFF) {
+            set_aes_keyslot(0xE, sbk, 0x10);
+            break;
+        }
+    }
+}
+
+int main(void) {
+    void (*loader)(void) = LOADER_ADDRESS;
+    
+    /* Initialize DRAM. */
+    /* TODO: What can be stripped out to make this minimal? */
+    nx_hwinit();
+    
+    /* Try to load the SBK into the security engine, if possible. */
+    /* TODO: Should this be done later? */
+    load_sbk();
+    
+    /* Load the loader payload into DRAM. */
+    load_stage2(LOADER_ADDRESS);
+    
+    /* TODO: Should the loader take argc/argv? */
+    loader();
+    return 0;
+}
+