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-rw-r--r--arch/sparc64/kernel/head.S8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index f1dcdf8f7433..4c942f71184d 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -191,8 +191,9 @@ prom_boot_mapping_phys_low:
stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 5
stx %l2, [%sp + 2047 + 128 + 0x18] ! arg1: "translate"
stx %l5, [%sp + 2047 + 128 + 0x20] ! arg2: prom_mmu_ihandle_cache
- srlx %l0, 22, %l3
- sllx %l3, 22, %l3
+ /* PAGE align */
+ srlx %l0, 13, %l3
+ sllx %l3, 13, %l3
stx %l3, [%sp + 2047 + 128 + 0x28] ! arg3: vaddr, our PC
stx %g0, [%sp + 2047 + 128 + 0x30] ! res1
stx %g0, [%sp + 2047 + 128 + 0x38] ! res2
@@ -211,6 +212,9 @@ prom_boot_mapping_phys_low:
ldx [%sp + 2047 + 128 + 0x48], %l2 ! physaddr high
stx %l2, [%l4 + 0x0]
ldx [%sp + 2047 + 128 + 0x50], %l3 ! physaddr low
+ /* 4MB align */
+ srlx %l3, 22, %l3
+ sllx %l3, 22, %l3
stx %l3, [%l4 + 0x8]
/* Leave service as-is, "call-method" */
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