Displaying 8 results from an estimated 8 matches for "pm16dseg".
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pm16cseg
2007 Apr 18
1
[PATCH 2/3] Pnp bios gdt fix
...long)0x40 << 4));
_set_limit((char *)&bad_bios_desc, 4095 - (0x40 << 4));
- for(i=0; i < NR_CPUS; i++)
- {
- Q2_SET_SEL(i, PNP_CS32, &pnp_bios_callfunc, 64 * 1024);
- Q_SET_SEL(i, PNP_CS16, header->fields.pm16cseg, 64 * 1024);
- Q_SET_SEL(i, PNP_DS, header->fields.pm16dseg, 64 * 1024);
- }
+
+ /*
+ * This is awkward; GDT entries needed for this driver must
+ * be set during init on the BSP, but also copied into the
+ * cpu_gdt_table template for the APs to acquire. This is
+ * because APs will not have allocated GDTs until later in
+ * the boot process.
+ */
+...
2007 Apr 18
1
[PATCH 2/3] Pnp bios gdt fix
...long)0x40 << 4));
_set_limit((char *)&bad_bios_desc, 4095 - (0x40 << 4));
- for(i=0; i < NR_CPUS; i++)
- {
- Q2_SET_SEL(i, PNP_CS32, &pnp_bios_callfunc, 64 * 1024);
- Q_SET_SEL(i, PNP_CS16, header->fields.pm16cseg, 64 * 1024);
- Q_SET_SEL(i, PNP_DS, header->fields.pm16dseg, 64 * 1024);
- }
+
+ /*
+ * This is awkward; GDT entries needed for this driver must
+ * be set during init on the BSP, but also copied into the
+ * cpu_gdt_table template for the APs to acquire. This is
+ * because APs will not have allocated GDTs until later in
+ * the boot process.
+ */
+...
2007 Apr 18
0
[PATCH 6/21] i386 Fixed pnp bios limits
..._callpoint.offset = header->fields.pm16offset;
pnp_bios_callpoint.segment = PNP_CS16;
- for(i=0; i < NR_CPUS; i++)
- {
- Q2_SET_SEL(i, PNP_CS32, &pnp_bios_callfunc, 64 * 1024);
- Q_SET_SEL(i, PNP_CS16, header->fields.pm16cseg, 64 * 1024);
- Q_SET_SEL(i, PNP_DS, header->fields.pm16dseg, 64 * 1024);
+ for(i=0; i < NR_CPUS; i++) {
+ struct desc_struct *gdt = get_cpu_gdt_table(i);
+ set_base(gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
+ set_base(gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
+ set_base(gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fiel...
2007 Apr 18
0
[PATCH 6/21] i386 Fixed pnp bios limits
..._callpoint.offset = header->fields.pm16offset;
pnp_bios_callpoint.segment = PNP_CS16;
- for(i=0; i < NR_CPUS; i++)
- {
- Q2_SET_SEL(i, PNP_CS32, &pnp_bios_callfunc, 64 * 1024);
- Q_SET_SEL(i, PNP_CS16, header->fields.pm16cseg, 64 * 1024);
- Q_SET_SEL(i, PNP_DS, header->fields.pm16dseg, 64 * 1024);
+ for(i=0; i < NR_CPUS; i++) {
+ struct desc_struct *gdt = get_cpu_gdt_table(i);
+ set_base(gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
+ set_base(gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
+ set_base(gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fiel...
2007 Apr 18
3
[PATCH 12/21] i386 Deprecate descriptor asm
...p_bios_i
for(i=0; i < NR_CPUS; i++) {
struct desc_struct *gdt = get_cpu_gdt_table(i);
- set_base(gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
- set_base(gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
- set_base(gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fields.pm16dseg));
+ set_base(&gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
+ set_base(&gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
+ set_base(&gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fields.pm16dseg));
}
}
2007 Apr 18
3
[PATCH 12/21] i386 Deprecate descriptor asm
...p_bios_i
for(i=0; i < NR_CPUS; i++) {
struct desc_struct *gdt = get_cpu_gdt_table(i);
- set_base(gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
- set_base(gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
- set_base(gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fields.pm16dseg));
+ set_base(&gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
+ set_base(&gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
+ set_base(&gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fields.pm16dseg));
}
}
2007 Apr 18
0
[PATCH 13/21] i386 Gdt page isolation
...struct desc_struct *gdt = get_cpu_gdt_table(i);
+ if (!gdt)
+ continue;
set_base(&gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
set_base(&gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
set_base(&gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fields.pm16dseg));
2007 Apr 18
0
[PATCH 13/21] i386 Gdt page isolation
...struct desc_struct *gdt = get_cpu_gdt_table(i);
+ if (!gdt)
+ continue;
set_base(&gdt[GDT_ENTRY_PNPBIOS_CS32], &pnp_bios_callfunc);
set_base(&gdt[GDT_ENTRY_PNPBIOS_CS16], __va(header->fields.pm16cseg));
set_base(&gdt[GDT_ENTRY_PNPBIOS_DS], __va(header->fields.pm16dseg));