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| author | Richard Henderson <rth@twiddle.net> | 2016-11-13 12:04:29 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-11-13 12:04:29 +0100 |
| commit | 333f7da2d9287747779599e62a0bab89b5fa558b (patch) | |
| tree | 56e4fa46cdde9d04420d2cc6aaccecfcfdea82d0 /pal.S | |
| parent | c87a92639b28ac42bc8f6c67443543b405dc479b (diff) | |
| download | qemu-palcode-333f7da2d9287747779599e62a0bab89b5fa558b.zip qemu-palcode-333f7da2d9287747779599e62a0bab89b5fa558b.tar.gz qemu-palcode-333f7da2d9287747779599e62a0bab89b5fa558b.tar.bz2 | |
Add smp support
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'pal.S')
| -rw-r--r-- | pal.S | 32 |
1 files changed, 24 insertions, 8 deletions
@@ -97,9 +97,9 @@ __start: bne a0, 1f // Load boot arguments - mfpr a0, qemu_trap_arg0 - mfpr a1, qemu_trap_arg1 - mfpr a2, qemu_trap_arg2 + mfpr a0, qemu_trap_arg0 // memsize + mfpr a1, qemu_trap_arg1 // kernel entry + mfpr a2, qemu_trap_arg2 // ncpus // Continue in do_start, outside PALmode. ldah $27, do_start($gp) !gprelhigh @@ -400,10 +400,25 @@ CallPal_Draina: hw_rei ENDFN CallPal_Draina +/* + * Delay for N nanoseconds. + * + * This is unique to QEMU, used only within PALcode itself. + */ ORG_CALL_PAL_PRIV(0x03) -CallPal_OpcDec03: - br CallPal_OpcDec -ENDFN CallPal_OpcDec03 +CallPal_Ndelay: + mfpr p0, qemu_vmtime + addq p0, a0, p0 + mtpr p0, qemu_alarm + + mtpr $31, qemu_wait + + SYS_ACK_CLK p2, p3, p4 + + mfpr v0, qemu_vmtime + subq p0, v0, v0 + hw_rei +ENDFN CallPal_Ndelay ORG_CALL_PAL_PRIV(0x04) CallPal_OpcDec04: @@ -1416,6 +1431,7 @@ ENDFN CallPal_OpcDec85 */ ORG_CALL_PAL_UNPRIV(0x86) CallPal_Imb: + mb hw_rei ENDFN CallPal_Imb @@ -1914,5 +1930,5 @@ Sys_EnterConsole: .align 3 .globl stack .type stack,@object - .size stack,STACK_SIZE -stack: .skip STACK_SIZE + .size stack,STACK_SIZE * 4 +stack: .skip STACK_SIZE * 4 |