diff options
Diffstat (limited to 'qemu/roms/SLOF/lib/libhvcall/hvcall.S')
| -rw-r--r-- | qemu/roms/SLOF/lib/libhvcall/hvcall.S | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/lib/libhvcall/hvcall.S b/qemu/roms/SLOF/lib/libhvcall/hvcall.S new file mode 100644 index 000000000..92cf22e4c --- /dev/null +++ b/qemu/roms/SLOF/lib/libhvcall/hvcall.S @@ -0,0 +1,134 @@ +#define _ASM +#define __ASSEMBLY__ +#include "macros.h" +#include "libhvcall.h" +#include <termctrl.h> +#include <product.h> + +#define HVCALL .long 0x44000022 + .text + .align 3 + +ENTRY(get_print_banner) + LOAD32(r4, print_version) + LOAD32(r5, print_version_end) + std r4,0(r3) + std r5,8(r3) + blr + +ENTRY(hv_generic) + HVCALL + blr + +/* r3 = char, r4 = hvtermno */ +ENTRY(hv_putchar) + sldi r6,r3,(24+32) + li r3,H_PUT_TERM_CHAR + li r5,1 + HVCALL + blr + +/* r3 = hvtermno */ +ENTRY(hv_getchar) + mflr r10 + bl .hv_haschar + mtlr r10 + cmpwi cr0,r3,0 + beqlr + lis r9,inbuf@h + ori r9,r9,inbuf@l + lwz r4,20(r9) + lbzx r3,r4,r9 + addi r4,r4,1 + stw r4,20(r9) + blr + +/* r3 = hvtermno */ +ENTRY(hv_haschar) + mr r4,r3 + li r3,-1 + lis r9,inbuf@h + ori r9,r9,inbuf@l + lwz r5,16(r9) + lwz r6,20(r9) + cmplw cr0,r5,r6 + bnelr + li r3,H_GET_TERM_CHAR + HVCALL + lis r9,inbuf@h + ori r9,r9,inbuf@l + stw r4,16(r9) + li r3,0 + stw r3,20(r9) + cmplwi cr0,r4,0 + beqlr + li r3,-1 + std r5,0(r9) + std r6,8(r9) + blr + +ENTRY(hv_send_crq) + ld r5,0(r4) + ld r6,8(r4) + mr r4,r3 + li r3,H_SEND_CRQ + HVCALL + blr + +ENTRY(hv_send_logical_lan) + li r11,0 /* no continue token for now */ + mr r10,r9 + mr r9,r8 + mr r8,r7 + mr r7,r6 + mr r6,r5 + mr r5,r4 + mr r4,r3 + li r3,H_SEND_LOGICAL_LAN + HVCALL + blr + +ENTRY(hv_logical_ci_load) + mr r5,r4 + mr r4,r3 + li r3,H_LOGICAL_CI_LOAD + HVCALL + cmpdi cr0,r3,0 + mr r3,r4 + beqlr + li r3,-1 + blr + +ENTRY(hv_logical_ci_store) + mr r6,r5 + mr r5,r4 + mr r4,r3 + li r3,H_LOGICAL_CI_STORE + HVCALL + blr + +ENTRY(hv_logical_memop) + mr r8,r7 + mr r7,r6 + mr r6,r5 + mr r5,r4 + mr r4,r3 + lis r3,KVMPPC_H_LOGICAL_MEMOP@h + ori r3,r3,KVMPPC_H_LOGICAL_MEMOP@l + HVCALL + blr + +ENTRY(hv_cas) + mr r6,r5 + mr r5,r4 + mr r4,r3 + lis r3,KVMPPC_H_CAS@h + ori r3,r3,KVMPPC_H_CAS@l + HVCALL + blr + + .section ".bss" +inbuf: .space 16 +inlen: .space 4 +inpos: .space 4 + .text |