From e8e139ddf3b2c7a76704cf9ed3aa14b8a2de125f Mon Sep 17 00:00:00 2001
From: Thomas Oltmann <thomas.oltmann.hhg@gmail.com>
Date: Mon, 7 Jul 2025 02:55:26 +0200
Subject: [PATCH] Retrieving the first block via PXE

---
 fernlader.ld | 11 ++++++++---
 lboot.S      | 23 +++++++++++++++++++++++
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/fernlader.ld b/fernlader.ld
index 17c6f00..f40031d 100644
--- a/fernlader.ld
+++ b/fernlader.ld
@@ -1,7 +1,12 @@
+PHDRS {
+    all PT_LOAD;
+}
 SECTIONS {
     .text 0x7C00: {
-        lboot.o(.text*, .data*)
-        loader.o(.text*, .data*, .bss*)
-    }
+        lboot.o(.text)
+        *(.text)
+        *(.data)
+        *(.bss, COMMON)
+    } :all
     memmap = ALIGN(8);
 }
diff --git a/lboot.S b/lboot.S
index 1ac006a..af17760 100644
--- a/lboot.S
+++ b/lboot.S
@@ -286,6 +286,29 @@ read_file:
             pxe_call    PXE_TFTP_OPEN
             add         $14+128, %sp
 
+
+
+            .set        PXE_TFTP_READ, 0x0022
+            push        %cs
+            push        $tx_buf
+            push        $0
+            push        $0
+            push        $0
+            pxe_call    PXE_TFTP_READ
+            add         $10, %sp
+
+
+
+            .set        PXE_TFTP_CLOSE, 0x0021
+            push        $0
+            pxe_call    PXE_TFTP_CLOSE
+            add         $2, %sp
+
+
+
+            mov         $tx_buf, %si
+            call        print
+
             ret
 
             // print: print NUL-terminated string pointed to by SI