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Viewing changes to roms/SLOF/lib/libhvcall/hvcall.S

  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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roms/SLOF/lib/libhvcall/hvcall.S
 
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#define _ASM
 
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#define __ASSEMBLY__
 
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#include "macros.h"
 
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#include "libhvcall.h"
 
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#include <termctrl.h>
 
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#include <product.h>
 
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#define HVCALL                  .long 0x44000022
 
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        .text
 
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        .align  3
 
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ENTRY(get_print_banner)
 
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        LOAD32(r4, print_version)
 
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        LOAD32(r5, print_version_end)
 
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        std     r4,0(r3)
 
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        std     r5,8(r3)
 
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        blr
 
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ENTRY(hv_generic)
 
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        HVCALL
 
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        blr
 
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/* r3 = char, r4 = hvtermno */
 
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ENTRY(hv_putchar)
 
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        sldi    r6,r3,(24+32)
 
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        li      r3,H_PUT_TERM_CHAR
 
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        li      r5,1
 
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        HVCALL
 
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        blr
 
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/* r3 = hvtermno */
 
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ENTRY(hv_getchar)
 
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        mflr    r10
 
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        bl      .hv_haschar
 
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        mtlr    r10
 
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        cmpwi   cr0,r3,0
 
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        beqlr
 
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        lis     r9,inbuf@h
 
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        ori     r9,r9,inbuf@l
 
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        lwz     r4,20(r9)
 
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        lbzx    r3,r4,r9
 
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        addi    r4,r4,1
 
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        stw     r4,20(r9)
 
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        blr
 
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/* r3 = hvtermno */
 
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ENTRY(hv_haschar)
 
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        mr      r4,r3
 
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        li      r3,-1
 
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        lis     r9,inbuf@h
 
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        ori     r9,r9,inbuf@l
 
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        lwz     r5,16(r9)
 
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        lwz     r6,20(r9)
 
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        cmplw   cr0,r5,r6
 
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        bnelr
 
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        li      r3,H_GET_TERM_CHAR
 
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        HVCALL
 
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        lis     r9,inbuf@h
 
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        ori     r9,r9,inbuf@l
 
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        stw     r4,16(r9)
 
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        li      r3,0
 
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        stw     r3,20(r9)
 
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        cmplwi  cr0,r4,0
 
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        beqlr
 
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        li      r3,-1
 
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        std     r5,0(r9)
 
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        std     r6,8(r9)
 
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        blr
 
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ENTRY(hv_send_crq)
 
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        ld      r5,0(r4)
 
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        ld      r6,8(r4)
 
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        mr      r4,r3
 
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        li      r3,H_SEND_CRQ
 
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        HVCALL
 
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        blr
 
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ENTRY(hv_send_logical_lan)
 
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        li      r11,0   /* no continue token for now */
 
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        mr      r10,r9
 
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        mr      r9,r8
 
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        mr      r8,r7
 
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        mr      r7,r6
 
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        mr      r6,r5
 
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        mr      r5,r4
 
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        mr      r4,r3
 
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        li      r3,H_SEND_LOGICAL_LAN
 
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        HVCALL
 
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        blr
 
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ENTRY(hv_logical_ci_load)
 
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        mr      r5,r4
 
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        mr      r4,r3
 
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        li      r3,H_LOGICAL_CI_LOAD
 
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        HVCALL
 
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        cmpdi   cr0,r3,0
 
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        mr      r3,r4
 
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        beqlr
 
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        li      r3,-1
 
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        blr
 
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ENTRY(hv_logical_ci_store)
 
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        mr      r6,r5
 
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        mr      r5,r4
 
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        mr      r4,r3
 
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        li      r3,H_LOGICAL_CI_STORE
 
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        HVCALL
 
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        blr
 
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ENTRY(hv_logical_memop)
 
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        mr      r8,r7
 
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        mr      r7,r6
 
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        mr      r6,r5
 
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        mr      r5,r4
 
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        mr      r4,r3
 
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        lis     r3,KVMPPC_H_LOGICAL_MEMOP@h
 
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        ori     r3,r3,KVMPPC_H_LOGICAL_MEMOP@l
 
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        HVCALL
 
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        blr
 
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ENTRY(hv_cas)
 
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        mr      r6,r5
 
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        mr      r5,r4
 
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        mr      r4,r3
 
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        lis     r3,KVMPPC_H_CAS@h
 
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        ori     r3,r3,KVMPPC_H_CAS@l
 
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        HVCALL
 
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        blr
 
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        .section ".bss"
 
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inbuf:  .space  16
 
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inlen:  .space  4
 
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inpos:  .space  4
 
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        .text