Changeset 1f5c9c96 in mainline for kernel/arch/ia32/src/boot/vesa_prot.inc

Timestamp:

2011-12-02T17:29:43Z (12 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b8b1e631, c3887ad

Parents:

c48f6ab

Message:

implement multiboot v2 specification and use it in GRUB for UEFI

• improve multiboot v1 code, move defines to a common location
• rename VESA framebuffer stuff to generic "boot framebuffer"
• small collateral changes

File:

• kernel/arch/ia32/src/boot/vesa_prot.inc (modified) (3 diffs)

kernel/arch/ia32/src/boot/vesa_prot.inc

@@ -1 +1 @@
 #ifdef CONFIG_FB
 
-#define MULTIBOOT_LOADER_MAGIC  0x2BADB002
 #define MBINFO_BIT_CMDLINE      2
 #define MBINFO_OFFSET_CMDLINE   16
@@ -14 +13 @@
         rep movsb
         
-        /* Check for GRUB command line */
+        /* Check for multiboot command line */
         
-        pm_status $status_grub_cmdline
+        pm_status $status_multiboot_cmdline
         
-        mov grub_eax, %eax
+        mov multiboot_eax, %eax
         cmp $MULTIBOOT_LOADER_MAGIC, %eax
         jne no_cmdline
         
-        mov grub_ebx, %ebx
+        mov multiboot_ebx, %ebx
         mov (%ebx), %eax
         bt $MBINFO_BIT_CMDLINE, %eax
@@ -89 +88 @@
                 /* Returned back to protected mode */
                 
-                mov %ax, KA2PA(vesa_scanline)
+                movzx %ax, %ecx
+                mov %ecx, KA2PA(bfb_scanline)
+                
                 shr $16, %eax
-                mov %ax, KA2PA(vesa_bpp)
+                mov %ax, KA2PA(bfb_bpp)
                 
-                mov %bx, KA2PA(vesa_height)
+                movzx %bx, %ecx
+                mov %ecx, KA2PA(bfb_height)
+                
                 shr $16, %ebx
-                mov %bx, KA2PA(vesa_width)
+                mov %ebx, KA2PA(bfb_width)
                 
-                mov %dl, KA2PA(vesa_green_pos)
+                mov %dl, KA2PA(bfb_green_pos)
+                
                 shr $8, %edx
-                mov %dl, KA2PA(vesa_green_mask)
+                mov %dl, KA2PA(bfb_green_size)
+                
                 shr $8, %edx
-                mov %dl, KA2PA(vesa_red_pos)
+                mov %dl, KA2PA(bfb_red_pos)
+                
                 shr $8, %edx
-                mov %dl, KA2PA(vesa_red_mask)
+                mov %dl, KA2PA(bfb_red_size)
                 
                 mov %esi, %edx
-                mov %dl, KA2PA(vesa_blue_pos)
+                mov %dl, KA2PA(bfb_blue_pos)
+                
                 shr $8, %edx
-                mov %dl, KA2PA(vesa_blue_mask)
+                mov %dl, KA2PA(bfb_blue_size)
                 
-                mov %edi, KA2PA(vesa_ph_addr)
+                mov %edi, KA2PA(bfb_addr)
 #endif