| 1 | /* from xen/arch/x86/x86_32/asm-offsets.c */ |
|---|
| 2 | |
|---|
| 3 | /* |
|---|
| 4 | * Generate definitions needed by assembly language modules. |
|---|
| 5 | * This code generates raw asm output which is post-processed |
|---|
| 6 | * to extract and format the required data. |
|---|
| 7 | */ |
|---|
| 8 | |
|---|
| 9 | #include <xen/sched.h> |
|---|
| 10 | #include <public/xen.h> |
|---|
| 11 | #include <asm/powerpc64/procarea.h> |
|---|
| 12 | #include <asm/hardirq.h> |
|---|
| 13 | |
|---|
| 14 | #define DEFINE(_sym, _val) \ |
|---|
| 15 | __asm__ __volatile__ ( "\n->" #_sym " %0 " #_val : : "i" (_val) ) |
|---|
| 16 | #define BLANK() \ |
|---|
| 17 | __asm__ __volatile__ ( "\n->" : : ) |
|---|
| 18 | #define OFFSET(_sym, _str, _mem) \ |
|---|
| 19 | DEFINE(_sym, offsetof(_str, _mem)); |
|---|
| 20 | |
|---|
| 21 | /* base-2 logarithm */ |
|---|
| 22 | #define __L2(_x) (((_x) & 0x00000002) ? 1 : 0) |
|---|
| 23 | #define __L4(_x) (((_x) & 0x0000000c) ? ( 2 + __L2( (_x)>> 2)) : __L2( _x)) |
|---|
| 24 | #define __L8(_x) (((_x) & 0x000000f0) ? ( 4 + __L4( (_x)>> 4)) : __L4( _x)) |
|---|
| 25 | #define __L16(_x) (((_x) & 0x0000ff00) ? ( 8 + __L8( (_x)>> 8)) : __L8( _x)) |
|---|
| 26 | #define LOG_2(_x) (((_x) & 0xffff0000) ? (16 + __L16((_x)>>16)) : __L16(_x)) |
|---|
| 27 | |
|---|
| 28 | extern void __dummy__(void); |
|---|
| 29 | void __dummy__(void) |
|---|
| 30 | { |
|---|
| 31 | DEFINE(GPR_WIDTH, sizeof(unsigned long)); |
|---|
| 32 | DEFINE(FPR_WIDTH, sizeof(double)); |
|---|
| 33 | |
|---|
| 34 | OFFSET(PAREA_vcpu, struct processor_area, cur_vcpu); |
|---|
| 35 | OFFSET(PAREA_stack, struct processor_area, hyp_stack_base); |
|---|
| 36 | OFFSET(PAREA_r1, struct processor_area, saved_regs[0]); |
|---|
| 37 | OFFSET(PAREA_cr, struct processor_area, saved_regs[1]); |
|---|
| 38 | |
|---|
| 39 | OFFSET(UREGS_gprs, struct cpu_user_regs, gprs); |
|---|
| 40 | OFFSET(UREGS_r0, struct cpu_user_regs, gprs[0]); |
|---|
| 41 | OFFSET(UREGS_r1, struct cpu_user_regs, gprs[1]); |
|---|
| 42 | OFFSET(UREGS_r13, struct cpu_user_regs, gprs[13]); |
|---|
| 43 | OFFSET(UREGS_srr0, struct cpu_user_regs, srr0); |
|---|
| 44 | OFFSET(UREGS_srr1, struct cpu_user_regs, srr1); |
|---|
| 45 | OFFSET(UREGS_pc, struct cpu_user_regs, pc); |
|---|
| 46 | OFFSET(UREGS_msr, struct cpu_user_regs, msr); |
|---|
| 47 | OFFSET(UREGS_lr, struct cpu_user_regs, lr); |
|---|
| 48 | OFFSET(UREGS_ctr, struct cpu_user_regs, ctr); |
|---|
| 49 | OFFSET(UREGS_xer, struct cpu_user_regs, xer); |
|---|
| 50 | OFFSET(UREGS_hid4, struct cpu_user_regs, hid4); |
|---|
| 51 | OFFSET(UREGS_dar, struct cpu_user_regs, dar); |
|---|
| 52 | OFFSET(UREGS_dsisr, struct cpu_user_regs, dsisr); |
|---|
| 53 | OFFSET(UREGS_cr, struct cpu_user_regs, cr); |
|---|
| 54 | OFFSET(UREGS_fpscr, struct cpu_user_regs, fpscr); |
|---|
| 55 | DEFINE(UREGS_sizeof, sizeof(struct cpu_user_regs)); |
|---|
| 56 | |
|---|
| 57 | OFFSET(VCPU_fprs, struct vcpu, arch.fprs); |
|---|
| 58 | OFFSET(VCPU_fpscr, struct vcpu, arch.ctxt.fpscr); |
|---|
| 59 | OFFSET(VCPU_vrs, struct vcpu, arch.vrs); |
|---|
| 60 | OFFSET(VCPU_vscr, struct vcpu, arch.vscr); |
|---|
| 61 | OFFSET(VCPU_vrsave, struct vcpu, arch.vrsave); |
|---|
| 62 | OFFSET(VCPU_dec, struct vcpu, arch.dec); |
|---|
| 63 | OFFSET(VCPU_processor, struct vcpu, processor); |
|---|
| 64 | |
|---|
| 65 | DEFINE(IRQSTAT_shift, LOG_2(sizeof(irq_cpustat_t))); |
|---|
| 66 | OFFSET(IRQSTAT_pending, irq_cpustat_t, __softirq_pending); |
|---|
| 67 | } |
|---|
