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| author | Richard Henderson <rth@twiddle.net> | 2016-11-13 12:21:45 +0100 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-11-13 12:21:45 +0100 |
| commit | 6dd8bea7b98988e970f48a17b314c80e5a6c01b9 (patch) | |
| tree | 30c3ec00573cc83ed1a93bc1d8f91dac65702188 | |
| parent | 333f7da2d9287747779599e62a0bab89b5fa558b (diff) | |
| download | qemu-palcode-6dd8bea7b98988e970f48a17b314c80e5a6c01b9.tar.gz | |
Tidy clipper Sys_Setup
Signed-off-by: Richard Henderson <rth@twiddle.net>
| -rw-r--r-- | sys-clipper.S | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/sys-clipper.S b/sys-clipper.S index 50de347..9e5d065 100644 --- a/sys-clipper.S +++ b/sys-clipper.S @@ -35,20 +35,18 @@ .ent Sys_Setup Sys_Setup: .frame $sp, 0, p7, 0 - lda t0, TYPHOON_CCHIP_DIR0 - lda t1, TYPHOON_CCHIP_DIR2 - lda t2, TYPHOON_CCHIP_IIC0 - lda t3, TYPHOON_CCHIP_IIC2 + LOAD_PHYS_CCHIP t0 + lda t0, TYPHOON_CCHIP_DIR0(t0) + // DIR[23] differ from DIR[01] by 0x400 + // DIR[13] differ from DIR[02] by 0x40 and a0, 2, t4 - cmovne t4, t1, t0 - cmovne t4, t3, t2 - and a0, 1, t4 - sll t4, 6, t4 + and a0, 1, t3 + sll t4, 9, t4 + sll t3, 6, t3 addq t0, t4, t0 - addq t2, t4, t2 - LOAD_PHYS_CCHIP t4 - addq t0, t4, t0 - addq t2, t4, t2 + addq t0, t3, t0 + // IIC[0-4] differ from DIR[0-4] by 0x100 + lda t2, 0x100(t0) mtpr t0, ptCpuDIR mtpr t2, ptCpuIIC ret |