kernel: load cpu microcode update if loaded by the bootloader

add optional fields for microcode in kernel_args. Change-Id: Ic5fb54cf6c9f489a2d1cdda00f63980c11dcdaeb Reviewed-on: https://review.haiku-os.org/c/haiku/+/2264 Reviewed-by: Adrien Destugues <[email protected]>
2020-03-16 06:41:16 +00:00
parent 4657aba9da
commit 56bb1bd5c9
5 changed files with 246 additions and 3 deletions
@@ -105,6 +105,15 @@ typedef struct kernel_args {
 	// bootsplash data
 	FixedWidthPointer<uint8> boot_splash;

+	// optional microcode
+	FixedWidthPointer<void> ucode_data;
+	uint32	ucode_data_size;
+
 } _PACKED kernel_args;

+
+const size_t kernel_args_size_v1 = sizeof(kernel_args)
+	- sizeof(FixedWidthPointer<void>) - sizeof(uint32);
+
+
 #endif	/* KERNEL_BOOT_KERNEL_ARGS_H */