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authorDavid S. Miller <davem@sunset.davemloft.net>2007-10-12 02:59:40 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-13 21:53:15 -0700
commita650d3839e7a68321e5b76264398a63019b0928b (patch)
treee0500c57687c57bc22d0100b74485033a5738dbf /arch/sparc64/kernel/sun4v_ivec.S
parentd060db63fd38a8a75f666576ef9999c28cdc31cf (diff)
[SPARC64]: Make IVEC pointers 64-bit.
Currently we chain IVEC entries using 32-bit "pointers" because we know that the ivector_table is in the main kernel image, thus below 4GB. This uses proper 64-bit pointers instead. Whilst this bloats up the kernel image size, this sets the infrastructure necessary to significantly shrink the kernel size by using physical addresses and dynamically allocating the ivector table. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/sun4v_ivec.S')
-rw-r--r--arch/sparc64/kernel/sun4v_ivec.S8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc64/kernel/sun4v_ivec.S b/arch/sparc64/kernel/sun4v_ivec.S
index 574bc248bca..e3e9d4c1574 100644
--- a/arch/sparc64/kernel/sun4v_ivec.S
+++ b/arch/sparc64/kernel/sun4v_ivec.S
@@ -101,14 +101,14 @@ sun4v_dev_mondo:
/* Get &ivector_table[IVEC] into %g4. */
sethi %hi(ivector_table), %g4
- sllx %g3, 3, %g3
+ sllx %g3, 4, %g3
or %g4, %lo(ivector_table), %g4
add %g4, %g3, %g4
/* Insert ivector_table[] entry into __irq_work[] queue. */
- lduw [%g1], %g2 /* g2 = irq_work(cpu) */
- stw %g2, [%g4 + 0x00] /* bucket->irq_chain = g2 */
- stw %g4, [%g1] /* irq_work(cpu) = bucket */
+ ldx [%g1], %g2 /* g2 = irq_work(cpu) */
+ stx %g2, [%g4 + 0x00] /* bucket->irq_chain = g2 */
+ stx %g4, [%g1] /* irq_work(cpu) = bucket */
/* Signal the interrupt by setting (1 << pil) in %softint. */
wr %g0, 1 << PIL_DEVICE_IRQ, %set_softint