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authorRichard Henderson <rth@twiddle.net>2011-05-06 18:04:44 -0700
committerRichard Henderson <rth@twiddle.net>2011-05-06 18:04:44 -0700
commit90bb73f3fbcb32569f271bf1130fab45b2b4fb66 (patch)
tree34ea8971642427f3136d634f97d79795949c49a1 /core-typhoon.h
parent45a30cd864c313b353f47c8186b2b932069af4a1 (diff)
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Inline i/o routines.
Diffstat (limited to 'core-typhoon.h')
-rw-r--r--core-typhoon.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/core-typhoon.h b/core-typhoon.h
index cee6e95..96a0a90 100644
--- a/core-typhoon.h
+++ b/core-typhoon.h
@@ -143,6 +143,15 @@
sll \ret, 20, \ret
.endm
+.macro LOAD_KSEG_PCI_CONF ret
+ .set macro
+ // Note that GAS shifts are logical. Force arithmetic shift style
+ // results by negating before and after the shift.
+ lda \ret, -(-(PIO_KSEG_ADDR + TYPHOON_PCHIP0_PCI_CONF) >> 20)
+ .set nomacro
+ sll \ret, 20, \ret
+.endm
+
.macro SYS_WHAMI ret
LOAD_PHYS_CCHIP \ret
ldq_p \ret, TYPHOON_CCHIP_MISC(\ret)