From: David Quintana <gigaherz@gmail.com>
Date: Wed, 9 Sep 2015 00:49:47 +0000 (+0000)
Subject: [FATTEN]
X-Git-Tag: ReactOS-0.4.0~912
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=d2e60268e51f7a3f205802e63783b94e07effc2c

[FATTEN]
* Change the number of FAT copies stored by the formatting code to 2.
* Implement /BOOT command, to apply a boot sector to the image (FAT12/16 only, for now).
* Make use of the command above to finally get the generated efisys.bin loading in 7zip as a floppy.

svn path=/trunk/; revision=69135
---

diff --git a/reactos/boot/CMakeLists.txt b/reactos/boot/CMakeLists.txt
index aa03a9958a5..607d0f1b997 100644
--- a/reactos/boot/CMakeLists.txt
+++ b/reactos/boot/CMakeLists.txt
@@ -16,8 +16,8 @@ else()
 endif()
 
 add_custom_target(efisys
-    COMMAND native-fatten ${CMAKE_CURRENT_BINARY_DIR}/efisys.bin -format 2880 -mkdir EFI -mkdir EFI/BOOT -add $<TARGET_FILE:bootmgfw> EFI/BOOT/boot${EFI_PLATFORM_ID}.EFI
-    DEPENDS native-fatten bootmgfw
+    COMMAND native-fatten ${CMAKE_CURRENT_BINARY_DIR}/efisys.bin -format 2880 -boot ${CMAKE_CURRENT_BINARY_DIR}/freeldr/bootsect/fat.bin -mkdir EFI -mkdir EFI/BOOT -add $<TARGET_FILE:bootmgfw> EFI/BOOT/boot${EFI_PLATFORM_ID}.EFI
+    DEPENDS native-fatten bootmgfw fat
     VERBATIM)
 
 ##bootcd
diff --git a/reactos/tools/fatten/fatfs/ff.c b/reactos/tools/fatten/fatfs/ff.c
index 88eb953c547..e97d328fcc1 100644
--- a/reactos/tools/fatten/fatfs/ff.c
+++ b/reactos/tools/fatten/fatfs/ff.c
@@ -4058,7 +4058,7 @@ FRESULT f_forward (
 /*-----------------------------------------------------------------------*/
 #define N_ROOTDIR12	224		/* Number of root directory entries for FAT12/16 */
 #define N_ROOTDIR16	512		/* Number of root directory entries for FAT12/16 */
-#define N_FATS		1		/* Number of FATs (1 or 2) */
+#define N_FATS		2		/* Number of FATs (1 or 2) */
 
 
 FRESULT f_mkfs (
diff --git a/reactos/tools/fatten/fatten.c b/reactos/tools/fatten/fatten.c
index 90ed6251da5..a94886058ab 100644
--- a/reactos/tools/fatten/fatten.c
+++ b/reactos/tools/fatten/fatten.c
@@ -193,10 +193,58 @@ int main(int oargc, char* oargv[])
         }
         else if (strcmp(parg, "boot") == 0)
         {
+            FILE* fe;
+            BYTE* temp = buff + 1024;
+
             NEED_PARAMS(1, 1);
 
             // Arg 1: boot file
-            printf("Not Implemented.");
+
+            fe = fopen(argv[0], "rb");
+
+            if (!fe)
+            {
+                printf("Error: unable to open external file '%s' for reading.", argv[0]);
+                ret = 1;
+                goto exit;
+            }
+
+            if(!fread(buff, 512, 1, fe))
+            {
+                printf("Error: unable to read boot sector from file '%s'.", argv[0]);
+                ret = 1;
+                goto exit;
+            }
+
+            NEED_MOUNT();
+
+            if(disk_read(0, temp, 0, 1))
+            {
+                printf("Error: unable to read existing boot sector from image.");
+                ret = 1;
+                goto exit;
+            }
+
+            if (g_Filesystem.fs_type == FS_FAT32)
+            {
+                printf("TODO: writing boot sectors for FAT32 images not yet supported.");
+                ret = 1;
+                goto exit;
+            }
+            else
+            {
+                // Quick&dirty hardcoded length.
+                memcpy(buff + 2, temp + 2, 0x3E - 0x02);
+            }
+
+            if (disk_write(0, buff, 0, 1))
+            {
+                printf("Error: unable to write new boot sector to image.");
+                ret = 1;
+                goto exit;
+            }
+
+            fclose(fe);
         }
         else if (strcmp(parg, "add") == 0)
         {