Restructure rom image and use dependencies for makefiles

1 files changed, 42 insertions, 0 deletions

diff --git a/boot/devmode/devmode.h b/boot/devmode/devmode.h
new file mode 100644
index 0000000..f3322d0
--- /dev/null
+++ b/boot/devmode/devmode.h
@@ -0,0 +1,42 @@
+#ifndef DEVMODE_H
+#define DEVMODE_H
+
+#include <zeta.h>
+
+#ifdef __GNUC__
+#define PACKED __attribute__((packed))
+#else
+#define PACKED
+#endif
+
+enum header_type {
+    CMD_PING,
+    CMD_INFO,
+    CMD_BOOT,
+    CMD_READ,
+    CMD_WRITE,
+    CMD_IO_READ,
+    CMD_IO_WRITE,
+    CMD_ECHO
+};
+
+struct header {
+    u8 type;
+    u8 bank;
+    u16 address;
+    u16 length;
+    u16 checksum;
+} PACKED;
+
+// static_assert(sizeof(struct header) == 8, "struct header is not PACKED");
+
+enum error {
+    ERR_TIMEOUT = -1
+};
+
+#define MAX_PACKET_SIZE 256
+#define TIMEOUT_MS 500
+#define MAX_ATTEMPTS 3
+#define MAX_TRANS_ATTEMPTS 5
+
+#endif // DEVMODE_H