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