1# This script generates the PS3 hypervisor call stubs from an HV 2# interface definition file. The PS3 HV calling convention is very 3# similar to the PAPR one, except that the function token is passed in 4# r11 instead of r3. 5# 6# Invoke like so: awk -f ps3-hv-asm.awk < ps3-hvcall.master > ps3-hvcall.S 7# 8 9# $FreeBSD$ 10 11BEGIN { 12 printf("/* $FreeBSD$ */\n\n"); 13 printf("#include <machine/asm.h>\n\n"); 14 printf("#define hc .long 0x44000022\n\n"); 15} 16 17/HVCALL.*/ { 18 code = $2; 19 ins = split($4, a, ",") 20 outs = split($5, a, ",") 21 22 printf("ASENTRY(%s)\n",$3); 23 printf("\tmflr %%r0\n"); 24 printf("\tstd %%r0,16(%%r1)\n"); 25 printf("\tstdu %%r1,-%d(%%r1)\n", 48+8*outs); 26 27 if ($4 == "UNUSED") 28 ins = 0 29 30 # Save output reg addresses to the stack 31 for (i = 0; i < outs; i++) { 32 if (ins+i >= 8) { 33 printf("\tld %%r11,%d(%%r1)\n", 48+8*outs + 48 + 8*(i+ins)); 34 printf("\tstd %%r11,%d(%%r1)\n", 48+8*i); 35 } else { 36 printf("\tstd %%r%d,%d(%%r1)\n", 3+ins+i, 48+8*i); 37 } 38 } 39 40 printf("\tli %%r11,%d\n", code); 41 printf("\thc\n"); 42 printf("\textsw %%r3,%%r3\n"); 43 44 for (i = 0; i < outs; i++) { 45 printf("\tld %%r11,%d(%%r1)\n", 48+8*i); 46 printf("\tstd %%r%d,0(%%r11)\n", 4+i); 47 } 48 49 printf("\tld %%r1,0(%%r1)\n"); 50 printf("\tld %%r0,16(%%r1)\n"); 51 printf("\tmtlr %%r0\n"); 52 printf("\tblr\n\n"); 53} 54