diff options
Diffstat (limited to 'src/kernel/start.S')
| -rw-r--r-- | src/kernel/start.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/kernel/start.S b/src/kernel/start.S index 5d30ed15d..f9b5a95ce 100644 --- a/src/kernel/start.S +++ b/src/kernel/start.S @@ -208,7 +208,17 @@ UNIMPL_INTERRUPT_STUB(hype_data_storage, 0xE00) UNIMPL_INTERRUPT_STUB(hype_inst_storage, 0xE20) STD_INTERRUPT_STUB(hype_emu_assist, 0xE40) UNIMPL_INTERRUPT_STUB(hype_maint, 0xE60) + +;// Hypervisor Doorbell Exception Vector +;// +;// There isn't enough room here for a "normal" stub, so jump out to 'stub2' +;// where there is some space. +.org _start + 0xE80 +intvect_syscall_hype_doorbell_stub: + b intvect_syscall_hype_doorbell_stub2 + STD_INTERRUPT_STUB(hypervisor_external, 0xEA0) + UNIMPL_INTERRUPT_STUB(perf_monitor, 0xF00) UNIMPL_INTERRUPT_STUB(vector_unavail, 0xF20) UNIMPL_INTERRUPT_STUB(vsx_unavail, 0xF40) @@ -877,6 +887,22 @@ UNIMPL_INTERRUPT_NOADDR(trace, 0xD00) UNIMPL_INTERRUPT_NOADDR(hype_data_storage, 0xE00) UNIMPL_INTERRUPT_NOADDR(hype_inst_storage, 0xE20) UNIMPL_INTERRUPT_NOADDR(hype_maint, 0xE60) + +;// Hypervisor Doorbell Exception (part 2). +;// +;// Doorbells come in with the HSSR[01] registers, since they are Hypervisor +;// exceptions, instead of the SRR[01] registers that the normal exception +;// code deals with. Copy the contents of HSSR[01] -> SRR[01] first. +;// +intvect_syscall_hype_doorbell_stub2: + mtsprg0 r1 + mfspr r1,HSRR0 + mtsrr0 r1 + mfspr r1,HSRR1 + mtsrr1 r1 + mfsprg0 r1 +STD_INTERRUPT_NOADDR(hype_doorbell) + UNIMPL_INTERRUPT_NOADDR(perf_monitor, 0xF00) UNIMPL_INTERRUPT_NOADDR(vector_unavail, 0xF20) UNIMPL_INTERRUPT_NOADDR(vsx_unavail, 0xF40) |
