diff options
Diffstat (limited to 'pc-bios/vof/entry.S')
| -rw-r--r-- | pc-bios/vof/entry.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/pc-bios/vof/entry.S b/pc-bios/vof/entry.S new file mode 100644 index 0000000000..10a101fb6d --- /dev/null +++ b/pc-bios/vof/entry.S @@ -0,0 +1,49 @@ +#define LOAD32(rn, name) \ + lis rn,name##@h; \ + ori rn,rn,name##@l + +#define ENTRY(func_name) \ + .text; \ + .align 2; \ + .globl .func_name; \ + .func_name: \ + .globl func_name; \ + func_name: + +#define KVMPPC_HCALL_BASE 0xf000 +#define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0) +#define KVMPPC_H_VOF_CLIENT (KVMPPC_HCALL_BASE + 0x5) + + . = 0x100 /* Do exactly as SLOF does */ + +ENTRY(_start) + LOAD32(2, __toc_start) + b entry_c + +ENTRY(_prom_entry) + LOAD32(2, __toc_start) + stwu %r1,-112(%r1) + stw %r31,104(%r1) + mflr %r31 + bl prom_entry + nop + mtlr %r31 + lwz %r31,104(%r1) + addi %r1,%r1,112 + blr + +ENTRY(ci_entry) + mr 4,3 + LOAD32(3,KVMPPC_H_VOF_CLIENT) + sc 1 + blr + +/* This is the actual RTAS blob copied to the OS at instantiate-rtas */ +ENTRY(hv_rtas) + mr %r4,%r3 + LOAD32(3,KVMPPC_H_RTAS) + sc 1 + blr + .globl hv_rtas_size +hv_rtas_size: + .long . - hv_rtas; |