Displaying 20 results from an estimated 21 matches for "bioscalls".
2007 Apr 18
1
[PATCH 2/3] Pnp bios gdt fix
...ernel panic when
trying to setup the as of yet unallocated GDTs for the APs.
This fixes the problem by setting only the BSP's GDT, then copying
the PnP segments back to the cpu_gdt_table template.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.14-rc2/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-rc2.orig/drivers/pnp/pnpbios/bioscalls.c 2005-09-28 14:16:34.000000000 -0700
+++ linux-2.6.14-rc2/drivers/pnp/pnpbios/bioscalls.c 2005-09-28 14:23:57.000000000 -0700
@@ -528,17 +528,24 @@ static int pnp_bios_writ...
2007 Apr 18
1
[PATCH 2/3] Pnp bios gdt fix
...ernel panic when
trying to setup the as of yet unallocated GDTs for the APs.
This fixes the problem by setting only the BSP's GDT, then copying
the PnP segments back to the cpu_gdt_table template.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.14-rc2/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-rc2.orig/drivers/pnp/pnpbios/bioscalls.c 2005-09-28 14:16:34.000000000 -0700
+++ linux-2.6.14-rc2/drivers/pnp/pnpbios/bioscalls.c 2005-09-28 14:23:57.000000000 -0700
@@ -528,17 +528,24 @@ static int pnp_bios_writ...
2007 Apr 18
0
[PATCH 1/21] i386 Pnp segments in segment h
...Y_PNPBIOS_TS1 * 8) /* transfer data segment */
+#define PNP_TS2 (GDT_ENTRY_PNPBIOS_TS2 * 8) /* another data segment */
+
/*
* The interrupt descriptor table has room for 256 idt's,
* the global descriptor table is dependent on the number
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 12:13:31.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:13.000000000 -0800
@@ -31,15 +31,6 @@ static struct {...
2007 Apr 18
0
[PATCH 6/21] i386 Fixed pnp bios limits
....quad 0x00409a000000ffff /* 0x90 32-bit code */
+ .quad 0x00009a000000ffff /* 0x98 16-bit code */
+ .quad 0x000092000000ffff /* 0xa0 16-bit data */
.quad 0x0000920000000000 /* 0xa8 16-bit data */
.quad 0x0000920000000000 /* 0xb0 16-bit data */
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 16:54:56.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:11.000000000 -0800
@@ -58,12 +58,6 @@ __asm__(
&quo...
2007 Apr 18
0
[PATCH 8/21] i386 Segment protect properly
..._base( ((char *)&(ldt)) , (base) )
-#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , ((limit)-1) )
+#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , (limit) )
static inline unsigned long _get_base(char * addr)
{
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:45:02.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:08.000000000 -0800
@@ -103,10 +103,8 @@ static inline...
2007 Apr 18
0
[PATCH 1/3] Gdt page isolation fix
Andrew Morton's fix for PnP BIOS.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.14-rc1/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-rc1.orig/drivers/pnp/pnpbios/bioscalls.c 2005-08-28 16:41:01.000000000 -0700
+++ linux-2.6.14-rc1/drivers/pnp/pnpbios/bioscalls.c 2005-09-28 13:13:42.000000000 -0700
@@ -69,14 +69,14 @@ __asm__(
#define Q_SET_...
2007 Apr 18
0
[PATCH 1/3] Gdt page isolation fix
Andrew Morton's fix for PnP BIOS.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Index: linux-2.6.14-rc1/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-rc1.orig/drivers/pnp/pnpbios/bioscalls.c 2005-08-28 16:41:01.000000000 -0700
+++ linux-2.6.14-rc1/drivers/pnp/pnpbios/bioscalls.c 2005-09-28 13:13:42.000000000 -0700
@@ -69,14 +69,14 @@ __asm__(
#define Q_SET_...
2007 Apr 18
0
[PATCH 1/21] i386 Pnp segments in segment h
...Y_PNPBIOS_TS1 * 8) /* transfer data segment */
+#define PNP_TS2 (GDT_ENTRY_PNPBIOS_TS2 * 8) /* another data segment */
+
/*
* The interrupt descriptor table has room for 256 idt's,
* the global descriptor table is dependent on the number
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 12:13:31.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:13.000000000 -0800
@@ -31,15 +31,6 @@ static struct {...
2007 Apr 18
0
[PATCH 6/21] i386 Fixed pnp bios limits
....quad 0x00409a000000ffff /* 0x90 32-bit code */
+ .quad 0x00009a000000ffff /* 0x98 16-bit code */
+ .quad 0x000092000000ffff /* 0xa0 16-bit data */
.quad 0x0000920000000000 /* 0xa8 16-bit data */
.quad 0x0000920000000000 /* 0xb0 16-bit data */
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 16:54:56.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:11.000000000 -0800
@@ -58,12 +58,6 @@ __asm__(
&quo...
2007 Apr 18
0
[PATCH 8/21] i386 Segment protect properly
..._base( ((char *)&(ldt)) , (base) )
-#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , ((limit)-1) )
+#define set_limit(ldt,limit) _set_limit( ((char *)&(ldt)) , (limit) )
static inline unsigned long _get_base(char * addr)
{
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:45:02.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:08.000000000 -0800
@@ -103,10 +103,8 @@ static inline...
2007 Apr 18
0
[PATCH 13/21] i386 Gdt page isolation
...#include "cpu.h"
-DEFINE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
-EXPORT_PER_CPU_SYMBOL(cpu_gdt_table);
-
DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack);
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:45:52.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:56:10.000000000 -0800
@@ -508,8 +508,10 @@ void pnpbios_...
2007 Apr 18
0
[PATCH 13/21] i386 Gdt page isolation
...#include "cpu.h"
-DEFINE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
-EXPORT_PER_CPU_SYMBOL(cpu_gdt_table);
-
DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack);
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:45:52.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:56:10.000000000 -0800
@@ -508,8 +508,10 @@ void pnpbios_...
2007 Apr 18
2
[PATCH 4/21] i386 Broken bios common
...they are called in protected mode. The limit is
+ * preset, we hardwire the base here.
+ */
+ set_base(gdt[GDT_ENTRY_BAD_BIOS_CACHE], __va(BAD_BIOS_AREA));
/* Set up GDT entry for 16bit stack */
*(__u64 *)(&gdt[GDT_ENTRY_ESPFIX_SS]) |=
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 15:46:10.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:12.000000000 -0800
@@ -70,8 +70,6 @@ set_base(per_cpu...
2007 Apr 18
2
[PATCH 4/21] i386 Broken bios common
...they are called in protected mode. The limit is
+ * preset, we hardwire the base here.
+ */
+ set_base(gdt[GDT_ENTRY_BAD_BIOS_CACHE], __va(BAD_BIOS_AREA));
/* Set up GDT entry for 16bit stack */
*(__u64 *)(&gdt[GDT_ENTRY_ESPFIX_SS]) |=
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 15:46:10.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:12.000000000 -0800
@@ -70,8 +70,6 @@ set_base(per_cpu...
2007 Apr 18
1
[PATCH 7/21] i386 Losing fs gs to bios
...ruct bios_segment_save *save_area)
+{
+ save_area->gdt[GDT_ENTRY_BAD_BIOS] = save_area->save_desc_40;
+ loadsegment(fs, save_area->saved_fs);
+ loadsegment(gs, save_area->saved_gs);
+ put_cpu();
+}
+
#endif /* !__ASSEMBLY__ */
#endif
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:42:39.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:10.000000000 -0800
@@ -87,8 +87,7 @@ static inline u1...
2007 Apr 18
1
[PATCH 7/21] i386 Losing fs gs to bios
...ruct bios_segment_save *save_area)
+{
+ save_area->gdt[GDT_ENTRY_BAD_BIOS] = save_area->save_desc_40;
+ loadsegment(fs, save_area->saved_fs);
+ loadsegment(gs, save_area->saved_gs);
+ put_cpu();
+}
+
#endif /* !__ASSEMBLY__ */
#endif
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:42:39.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:10.000000000 -0800
@@ -87,8 +87,7 @@ static inline u1...
2007 Apr 18
3
[PATCH 12/21] i386 Deprecate descriptor asm
...ine unsigned long get_segment_
}
/* Decode the code segment base from the descriptor */
- base = get_desc_base((unsigned long *)desc);
+ base = get_desc_base(desc);
if (seg & (1<<2)) {
up(¤t->mm->context.sem);
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:45:04.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:07.000000000 -0800
@@ -510,8 +510,8 @@ void pnpbios_c...
2007 Apr 18
3
[PATCH 12/21] i386 Deprecate descriptor asm
...ine unsigned long get_segment_
}
/* Decode the code segment base from the descriptor */
- base = get_desc_base((unsigned long *)desc);
+ base = get_desc_base(desc);
if (seg & (1<<2)) {
up(¤t->mm->context.sem);
Index: linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c
===================================================================
--- linux-2.6.14-zach-work.orig/drivers/pnp/pnpbios/bioscalls.c 2005-11-04 17:45:04.000000000 -0800
+++ linux-2.6.14-zach-work/drivers/pnp/pnpbios/bioscalls.c 2005-11-05 00:28:07.000000000 -0800
@@ -510,8 +510,8 @@ void pnpbios_c...
2017 Jan 24
3
Linking Linux kernel with LLD
>>> - D28094 (Implemented support for R_386_PC8/R_386_8 relocations)
>> Do you remember where it was used ?
>
>setup.elf:
> ld.lld -m elf_i386 -T arch/x86/boot/setup.ld arch/x86/boot/a20.o arch/x86/boot/bioscall.o arch/x86/boot/cmdline.o arch/x86/boot/copy.o arch/x86/boot/cpu.o >arch/x86/boot/cpuflags.o arch/x86/boot/cpucheck.o arch/x86/boot/early_serial_console.o
2017 Jan 20
4
Linking Linux kernel with LLD
Hi Dmitry,
thanls for sharing. Few comments/questions below:
>Here is the list of modifications I had to do in order to link the kernel (I have used llvmlinux with clang and mainline with gcc, the >results are similar):
>
>1. LLD patches:
> - D28094 (Implemented support for R_386_PC8/R_386_8 relocations)
Do you remember where it was used ?
>5. In