diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/pda.h')
| -rw-r--r-- | libc/kernel/arch-x86/asm/pda.h | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/libc/kernel/arch-x86/asm/pda.h b/libc/kernel/arch-x86/asm/pda.h index a105f289e..671122452 100644 --- a/libc/kernel/arch-x86/asm/pda.h +++ b/libc/kernel/arch-x86/asm/pda.h @@ -7,65 +7,59 @@ *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** - *** To edit the content of this header, modify the corresponding - *** source file (e.g. under external/kernel-headers/original/) then - *** run bionic/libc/kernel/tools/update_all.py - *** - *** Any manual change here will be lost the next time this script will - *** be run. You've been warned! - *** **************************************************************************** ****************************************************************************/ #ifndef X86_64_PDA_H #define X86_64_PDA_H + #ifndef __ASSEMBLY__ #include <linux/stddef.h> -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #include <linux/types.h> #include <linux/cache.h> #include <asm/page.h> + struct x8664_pda { -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ struct task_struct *pcurrent; unsigned long data_offset; unsigned long kernelstack; unsigned long oldrsp; -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ int irqcount; int cpunumber; char *irqstackptr; int nodenumber; -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ unsigned int __softirq_pending; unsigned int __nmi_count; short mmu_state; short isidle; -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ struct mm_struct *active_mm; unsigned apic_timer_irqs; unsigned irq0_irqs; unsigned irq_resched_count; -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ unsigned irq_call_count; unsigned irq_tlb_count; unsigned irq_thermal_count; unsigned irq_threshold_count; -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ unsigned irq_spurious_count; } ____cacheline_aligned_in_smp; + #define cpu_pda(i) (_cpu_pda[i]) + #define pda_offset(field) offsetof(struct x8664_pda, field) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #define pda_to_op(op,field,val) do { typedef typeof(_proxy_pda.field) T__; if (0) { T__ tmp__; tmp__ = (val); } switch (sizeof(_proxy_pda.field)) { case 2: asm(op "w %1,%%gs:%c2" : "+m" (_proxy_pda.field) : "ri" ((T__)val), "i"(pda_offset(field))); break; case 4: asm(op "l %1,%%gs:%c2" : "+m" (_proxy_pda.field) : "ri" ((T__)val), "i" (pda_offset(field))); break; case 8: asm(op "q %1,%%gs:%c2": "+m" (_proxy_pda.field) : "ri" ((T__)val), "i"(pda_offset(field))); break; default: __bad_pda_field(); } } while (0) + #define pda_from_op(op,field) ({ typeof(_proxy_pda.field) ret__; switch (sizeof(_proxy_pda.field)) { case 2: asm(op "w %%gs:%c1,%0" : "=r" (ret__) : "i" (pda_offset(field)), "m" (_proxy_pda.field)); break; case 4: asm(op "l %%gs:%c1,%0": "=r" (ret__): "i" (pda_offset(field)), "m" (_proxy_pda.field)); break; case 8: asm(op "q %%gs:%c1,%0": "=r" (ret__) : "i" (pda_offset(field)), "m" (_proxy_pda.field)); break; default: __bad_pda_field(); } ret__; }) + #define read_pda(field) pda_from_op("mov",field) #define write_pda(field,val) pda_to_op("mov",field,val) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ #define add_pda(field,val) pda_to_op("add",field,val) #define sub_pda(field,val) pda_to_op("sub",field,val) #define or_pda(field,val) pda_to_op("or",field,val) + #define test_and_clear_bit_pda(bit,field) ({ int old__; asm volatile("btr %2,%%gs:%c3\n\tsbbl %0,%0" : "=r" (old__), "+m" (_proxy_pda.field) : "dIr" (bit), "i" (pda_offset(field)) : "memory"); old__; }) -/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + #endif + #define PDA_STACKOFFSET (5*8) + #endif |