From ef71b80d3df1969a2be85eadf2d83cd85745469d Mon Sep 17 00:00:00 2001
From: Amlal <amlal@el-mahrouss-logic.com>
Date: Sun, 8 Sep 2024 22:19:00 +0200
Subject: A lot: 	- Changed task banks are being switched in the kernel.
 	- Changed user mode switch mode, improved it to push rflags. 	- User
 proc will start the scheduler when it's being jumped on.

Signed-off-by: Amlal <amlal@el-mahrouss-logic.com>
---
 dev/HPFS/EPM/EBS.i           | 17 +++++++++--------
 dev/HPFS/EPM/EPM.asm         | 14 ++++++++------
 dev/HPFS/EPM/blob.json       |  6 ++++++
 dev/HPFS/Sources/IFSMain.cxx |  4 +++-
 4 files changed, 26 insertions(+), 15 deletions(-)
 create mode 100644 dev/HPFS/EPM/blob.json

(limited to 'dev/HPFS')

diff --git a/dev/HPFS/EPM/EBS.i b/dev/HPFS/EPM/EBS.i
index 3c55825b..4fc529da 100644
--- a/dev/HPFS/EPM/EBS.i
+++ b/dev/HPFS/EPM/EBS.i
@@ -7,7 +7,8 @@
 ;; DUMP THIS BLOB TO DISK, WHEN FORMATTING THE SSD.
 
 HPFS_EBS_HEADER:
-    db "HPFS ", 0 ;; MAGIC NUMBER OF FILESYSTEM
+    db "   HPFS" ;; MAGIC NUMBER OF FILESYSTEM
+    dw 8 ;; MAGIC NUMBER LENGTH.
     dq 0 ;; RESERVED 4
     dw 1 ;; VERSION
     dw 0 ;; PARTITION TYPE
@@ -19,10 +20,10 @@ HPFS_EBS_HEADER:
     dq 0 ;; RESERVED 2
     dq 512 ;; SECTOR SZ
     dq 0 ;; DISK SIZE
-    dq 0 ;; RESERVED 1
-    dq 0 ;; LOCKER ON?
-    dq 0 ;; PARTITION MAP TYPE (GPT, MBR, EPM)
-    dq 0 ;; MASTER FILE TABLE
-    dq 0 ;; MASTER TRACE TABLE
-    dq 0 ;; MASTER DIRECTORY TABLE
-    dw 0xFFFF ;; END OF HEADER WORD
\ No newline at end of file
+    dq 0 ;; RESERVED 1 SLOT
+    dq 1 ;; LOCKER ON?
+    dq 1 ;; PARTITION MAP TYPE (GPT, MBR, EPM)
+    dq 16 ;; MASTER FILE TABLE
+    dq 80 ;; MASTER TRACE TABLE
+    dq 144 ;; MASTER DIRECTORY TABLE
+    dw 0xFFFF ;; END OF HEADER WORD
diff --git a/dev/HPFS/EPM/EPM.asm b/dev/HPFS/EPM/EPM.asm
index fadb555c..2197d2cd 100644
--- a/dev/HPFS/EPM/EPM.asm
+++ b/dev/HPFS/EPM/EPM.asm
@@ -18,18 +18,20 @@ HPFS_EPM_UUID:
 	db 0
 	db 0
 	db 0
-	dd 0xAD ;; REVISON
-	dd 0 ;; NUM BLOCKS
-	dd 512 ;; SECTOR SZ
+	dd 0xAD ;; EPM revision
+	dd 0 ;; Number of blocks, set to 0 by default.
+	dd 512 ;; Sector size, HPFS was made with drives in mind, so 512.
 	dd 0
 	dd 0
-	dw 0x1f ;; NewOS
+	dw 0x1f ;; NewOS (ZKA) present on partition.
 	dd 1
-	db "FileSystem (C:)", 0
+	db "FileSystem (A:)", 0
 	times 401 db 0
 HPFS_EPM_HEADER_END:
 
 
 %include "EBS.i"
 
-times 512 db 0
\ No newline at end of file
+times 16 db 0
+
+;; Here the partition starts
diff --git a/dev/HPFS/EPM/blob.json b/dev/HPFS/EPM/blob.json
new file mode 100644
index 00000000..4ce4fc1c
--- /dev/null
+++ b/dev/HPFS/EPM/blob.json
@@ -0,0 +1,6 @@
+{
+  "compiler_path": "nasm",
+  "sources_path": ["EPM.asm"],
+  "output_name": "hpfs.bin",
+  "compiler_flags": ["-f bin"]
+}
diff --git a/dev/HPFS/Sources/IFSMain.cxx b/dev/HPFS/Sources/IFSMain.cxx
index 229efb15..d107db2a 100644
--- a/dev/HPFS/Sources/IFSMain.cxx
+++ b/dev/HPFS/Sources/IFSMain.cxx
@@ -9,6 +9,8 @@
 
 #include <HPFS/Defines.hxx>
 
-HPFS_INT32 IFSStart(HPFS_VOID) {
+/** @brief HPFS IFS main. */
+HPFS_INT32 IFSStart(HPFS_VOID)
+{
     return 0;
 }
-- 
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