2 files changed, 26 insertions, 1 deletions
diff --git a/hw/xtensa/xtensa_bootparam.h b/hw/xtensa/xtensa_bootparam.h
new file mode 100644
index 0000000000..38ef32bdb6
--- /dev/null
+++ b/hw/xtensa/xtensa_bootparam.h
@@ -0,0 +1,25 @@
+#ifndef HW_XTENSA_BOOTPARAM
+#define HW_XTENSA_BOOTPARAM
+
+typedef struct BpTag {
+    uint16_t tag;
+    uint16_t size;
+} BpTag;
+
+static inline ram_addr_t put_tag(ram_addr_t addr, uint16_t tag,
+        size_t size, const void *data)
+{
+    BpTag bp_tag = {
+        .tag = tswap16(tag),
+        .size = tswap16((size + 3) & ~3),
+    };
+
+    cpu_physical_memory_write(addr, &bp_tag, sizeof(bp_tag));
+    addr += sizeof(bp_tag);
+    cpu_physical_memory_write(addr, data, size);
+    addr += (size + 3) & ~3;
+
+    return addr;
+}
+
+#endif
diff --git a/hw/xtensa/xtensa_lx60.c b/hw/xtensa/xtensa_lx60.c
index 5695897b23..2682eda2ad 100644
--- a/hw/xtensa/xtensa_lx60.c
+++ b/hw/xtensa/xtensa_lx60.c
@@ -37,7 +37,7 @@
 #include "hw/block/flash.h"
 #include "sysemu/blockdev.h"
 #include "char/char.h"
-#include "hw/xtensa_bootparam.h"
+#include "xtensa_bootparam.h"
 
 typedef struct LxBoardDesc {
     size_t flash_size;