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| author | Helge Deller <deller@gmx.de> | 2024-02-09 23:00:11 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2024-04-02 14:22:45 +0200 |
| commit | 5f2410a9f6a17dedb558a1ebe8eeed0f30d4cfa8 (patch) | |
| tree | 083481d57da7bc01d26218f754fabcd3335d1b95 | |
| parent | 19279978ab47e60475cbd604fcac0fdb3c031567 (diff) | |
| download | seabios-hppa-5f2410a9f6a17dedb558a1ebe8eeed0f30d4cfa8.zip seabios-hppa-5f2410a9f6a17dedb558a1ebe8eeed0f30d4cfa8.tar.gz seabios-hppa-5f2410a9f6a17dedb558a1ebe8eeed0f30d4cfa8.tar.bz2 | |
parisc: Small optimization in IODC call
Signed-off-by: Helge Deller <deller@gmx.de>
| -rw-r--r-- | src/parisc/head.S | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/src/parisc/head.S b/src/parisc/head.S index 018ee99..8734704 100644 --- a/src/parisc/head.S +++ b/src/parisc/head.S @@ -659,21 +659,12 @@ ENTRY(iodc_entry) iodc_narrow: /* we run narrow, but want wide! Jump to firmware to set PSW.W=1 */ - stw %r1,-20(%sp) /* temporarily store r1 */ - /* Switch to wide mode. */ -#if 0 -1: mfia %r1 - ldo 2f-1b(%r1),%r1 - depdi 0,31,32,%r1 -#else - load32 MEM_PDC_ENTRY + 2f - pdc_entry_table,%r1 -#endif - bv 0(%r1) + load32 MEM_PDC_ENTRY + 2f - pdc_entry_table,%r31 + bv 0(%r31) set_PSW_W 2: /* now in wide mode, running in low memory */ depdi 0, 31, 32, %sp - ldw -20(%sp),%r1 /* restore r1 */ load_fw_upper32 %r1 stw %rp,-20(%sp) |