From 513c520bd6d96375e99b23aaa460bf3b67f3e16f Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sun, 6 May 2018 19:09:22 +0100
Subject: [PATCH] mbr: add hook for dynamic swap location

---
 Kernel/dev/mbr.c | 7 ++++++-
 Kernel/dev/mbr.h | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Kernel/dev/mbr.c b/Kernel/dev/mbr.c
index 38f51872..28f1ccb9 100644
--- a/Kernel/dev/mbr.c
+++ b/Kernel/dev/mbr.c
@@ -55,7 +55,8 @@ void mbr_parse(char letter)
         blk_op.lba = 0;
 
 	for(i=0; i<MBR_ENTRY_COUNT && next < MAX_PARTITIONS; i++){
-	    switch(br->partition[i].type_chs_last[0]){
+	    uint8_t t = br->partition[i].type_chs_last[0];
+	    switch(t) {
 #ifdef CONFIG_GPT
 		case MBR_GPT_PROTECTED_TYPE:
 		    // TODO assert next is zero (unless hybrid...)
@@ -84,6 +85,10 @@ void mbr_parse(char letter)
 		    blk_op.blkdev->lba_count[next] = le32_to_cpu(br->partition[i].lba_count);
 		    next++;
 		    kprintf("hd%c%d ", letter, next);
+#ifdef CONFIG_DYNAMIC_SWAP
+		    if(t == FUZIX_SWAP)
+		    	platform_swap_found(next - 1);
+#endif
 	    }
 	}
 	seen++;
diff --git a/Kernel/dev/mbr.h b/Kernel/dev/mbr.h
index 4aaa1b25..227c8d00 100644
--- a/Kernel/dev/mbr.h
+++ b/Kernel/dev/mbr.h
@@ -21,4 +21,6 @@ typedef struct __packed {
 
 void mbr_parse(char letter);
 
+#define FUZIX_SWAP	0x7F
+
 #endif /* __MBR_DOT_H__ */
-- 
2.34.1