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authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-05-03 21:24:55 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-05-03 21:24:55 +0000
commit107654552cb442b8b95c1f3ebc18dd64c6c0f0d5 (patch)
tree1466749a1616f1b67fcee249f2fd8a816185c6db /pc-bios
parentceb5caaf1823492e2dde7dd7e1e73634b1fc9d93 (diff)
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more correct e820 ranges for ACPI compatibility
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1901 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'pc-bios')
-rw-r--r--pc-bios/bios.binbin65536 -> 65536 bytes
-rw-r--r--pc-bios/bios.diff146
2 files changed, 138 insertions, 8 deletions
diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index 537851a..64be517 100644
--- a/pc-bios/bios.bin
+++ b/pc-bios/bios.bin
Binary files differ
diff --git a/pc-bios/bios.diff b/pc-bios/bios.diff
index 647025b..e875927 100644
--- a/pc-bios/bios.diff
+++ b/pc-bios/bios.diff
@@ -4,7 +4,7 @@ RCS file: /cvsroot/bochs/bochs/bios/apmbios.S,v
retrieving revision 1.4
diff -u -w -r1.4 apmbios.S
--- apmbios.S 26 Dec 2005 10:35:51 -0000 1.4
-+++ apmbios.S 28 Apr 2006 22:41:19 -0000
++++ apmbios.S 3 May 2006 21:22:46 -0000
@@ -225,6 +225,7 @@
APMSYM(05):
cmp al, #0x05
@@ -19,7 +19,7 @@ RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v
retrieving revision 1.160
diff -u -w -r1.160 rombios.c
--- rombios.c 25 Jan 2006 17:51:49 -0000 1.160
-+++ rombios.c 28 Apr 2006 22:41:21 -0000
++++ rombios.c 3 May 2006 21:22:48 -0000
@@ -1816,6 +1816,7 @@
{
printf(BX_APPNAME" BIOS - build: %s\n%s\nOptions: ",
@@ -38,7 +38,137 @@ diff -u -w -r1.160 rombios.c
}
//--------------------------------------------------------------------------
-@@ -8713,6 +8717,7 @@
+@@ -3999,6 +4003,29 @@
+ }
+ #endif
+
++
++void set_e820_range(ES, DI, start, end, type)
++ Bit16u ES;
++ Bit16u DI;
++ Bit32u start;
++ Bit32u end;
++ Bit16u type;
++{
++ write_word(ES, DI, start);
++ write_word(ES, DI+2, start >> 16);
++ write_word(ES, DI+4, 0x00);
++ write_word(ES, DI+6, 0x00);
++
++ end -= start;
++ write_word(ES, DI+8, end);
++ write_word(ES, DI+10, end >> 16);
++ write_word(ES, DI+12, 0x0000);
++ write_word(ES, DI+14, 0x0000);
++
++ write_word(ES, DI+16, type);
++ write_word(ES, DI+18, 0x0);
++}
++
+ void
+ int15_function32(regs, ES, DS, FLAGS)
+ pushad_regs_t regs; // REGS pushed via pushad
+@@ -4063,19 +4090,8 @@
+ switch(regs.u.r16.bx)
+ {
+ case 0:
+- write_word(ES, regs.u.r16.di, 0x00);
+- write_word(ES, regs.u.r16.di+2, 0x00);
+- write_word(ES, regs.u.r16.di+4, 0x00);
+- write_word(ES, regs.u.r16.di+6, 0x00);
+-
+- write_word(ES, regs.u.r16.di+8, 0xFC00);
+- write_word(ES, regs.u.r16.di+10, 0x0009);
+- write_word(ES, regs.u.r16.di+12, 0x0000);
+- write_word(ES, regs.u.r16.di+14, 0x0000);
+-
+- write_word(ES, regs.u.r16.di+16, 0x1);
+- write_word(ES, regs.u.r16.di+18, 0x0);
+-
++ set_e820_range(ES, regs.u.r16.di,
++ 0x0000000L, 0x0009fc00L, 1);
+ regs.u.r32.ebx = 1;
+ regs.u.r32.eax = 0x534D4150;
+ regs.u.r32.ecx = 0x14;
+@@ -4083,6 +4099,24 @@
+ return;
+ break;
+ case 1:
++ set_e820_range(ES, regs.u.r16.di,
++ 0x0009fc00L, 0x000a0000L, 2);
++ regs.u.r32.ebx = 2;
++ regs.u.r32.eax = 0x534D4150;
++ regs.u.r32.ecx = 0x14;
++ CLEAR_CF();
++ return;
++ break;
++ case 2:
++ set_e820_range(ES, regs.u.r16.di,
++ 0x000e8000L, 0x00100000L, 2);
++ regs.u.r32.ebx = 3;
++ regs.u.r32.eax = 0x534D4150;
++ regs.u.r32.ecx = 0x14;
++ CLEAR_CF();
++ return;
++ break;
++ case 3:
+ extended_memory_size = inb_cmos(0x35);
+ extended_memory_size <<= 8;
+ extended_memory_size |= inb_cmos(0x34);
+@@ -4092,9 +4126,9 @@
+ extended_memory_size = 0x3bc000; // everything after this is reserved memory until we get to 0x100000000
+ }
+ extended_memory_size *= 1024;
+- extended_memory_size += 15728640; // make up for the 16mb of memory that is chopped off
++ extended_memory_size += (16L * 1024 * 1024);
+
+- if(extended_memory_size <= 15728640)
++ if(extended_memory_size <= (16L * 1024 * 1024))
+ {
+ extended_memory_size = inb_cmos(0x31);
+ extended_memory_size <<= 8;
+@@ -4102,28 +4136,23 @@
+ extended_memory_size *= 1024;
+ }
+
+- write_word(ES, regs.u.r16.di, 0x0000);
+- write_word(ES, regs.u.r16.di+2, 0x0010);
+- write_word(ES, regs.u.r16.di+4, 0x0000);
+- write_word(ES, regs.u.r16.di+6, 0x0000);
+-
+- write_word(ES, regs.u.r16.di+8, extended_memory_size);
+- extended_memory_size >>= 16;
+- write_word(ES, regs.u.r16.di+10, extended_memory_size);
+- extended_memory_size >>= 16;
+- write_word(ES, regs.u.r16.di+12, extended_memory_size);
+- extended_memory_size >>= 16;
+- write_word(ES, regs.u.r16.di+14, extended_memory_size);
+-
+- write_word(ES, regs.u.r16.di+16, 0x1);
+- write_word(ES, regs.u.r16.di+18, 0x0);
+-
+- regs.u.r32.ebx = 0;
++ set_e820_range(ES, regs.u.r16.di,
++ 0x00100000L, extended_memory_size, 1);
++ regs.u.r32.ebx = 4;
+ regs.u.r32.eax = 0x534D4150;
+ regs.u.r32.ecx = 0x14;
+ CLEAR_CF();
+ return;
+ break;
++ case 4:
++ /* 256KB BIOS area at the end of 4 GB */
++ set_e820_range(ES, regs.u.r16.di,
++ 0xfffc0000L, 0x00000000L, 2);
++ regs.u.r32.ebx = 0;
++ regs.u.r32.eax = 0x534D4150;
++ regs.u.r32.ecx = 0x14;
++ CLEAR_CF();
++ return;
+ default: /* AX=E820, DX=534D4150, BX unrecognized */
+ goto int15_unimplemented;
+ break;
+@@ -8713,6 +8742,7 @@
mov al, #0x80
bios32_end:
popf
@@ -46,7 +176,7 @@ diff -u -w -r1.160 rombios.c
retf
.align 16
-@@ -8823,17 +8828,17 @@
+@@ -8823,17 +8853,17 @@
pci_pro_fail:
pop edi
pop esi
@@ -66,7 +196,7 @@ diff -u -w -r1.160 rombios.c
retf
pci_pro_select_reg:
-@@ -8971,7 +8976,7 @@
+@@ -8971,7 +9001,7 @@
jmp pci_real_ok
pci_real_f0d: ;; write configuration dword
cmp al, #0x0d
@@ -75,7 +205,7 @@ diff -u -w -r1.160 rombios.c
call pci_real_select_reg
push dx
mov dx, #0x0cfc
-@@ -8979,6 +8984,46 @@
+@@ -8979,6 +9009,46 @@
out dx, eax
pop dx
jmp pci_real_ok
@@ -122,7 +252,7 @@ diff -u -w -r1.160 rombios.c
pci_real_unknown:
mov ah, #0x81
pci_real_fail:
-@@ -9019,6 +9064,7 @@
+@@ -9019,6 +9089,7 @@
dw 0,0 ;; Miniport data
db 0,0,0,0,0,0,0,0,0,0,0 ;; reserved
db 0x07 ;; checksum
@@ -130,7 +260,7 @@ diff -u -w -r1.160 rombios.c
;; first slot entry PCI-to-ISA (embedded)
db 0 ;; pci bus number
db 0x08 ;; pci device number (bit 7-3)
-@@ -9097,6 +9143,7 @@
+@@ -9097,6 +9168,7 @@
dw 0xdef8 ;; IRQ bitmap INTD#
db 5 ;; physical slot (0 = embedded)
db 0 ;; reserved