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Ignore whitespace Rev 1732 → Rev 1737

/boot/trunk/arch/ppc32/loader/asm.S
195,7 → 195,7
li r29, 8
mtctr r29
li r30, 0
li r30, 0 # ASID 0 (VSIDs 0 .. 7)
 
seg_fill_uspace:
207,8 → 207,8
li r29, 8
mtctr r29
lis r30, 0x4000
ori r30, r30, 8
lis r30, 0x4000 # priviledged access only
ori r30, r30, 8 # ASID 0 (VSIDs 8 .. 15)
seg_fill_kernel:
260,6 → 260,8
pht_clear:
# write zeroes
stw r29, 0(r31)
addi r31, r31, 4
279,25 → 281,53
mtsdr1 r31
# create identity mapping
#ifdef CONFIG_BAT
# create BAT identity mapping
DEBUG_mapping
# FIXME: map exactly the size of RAM
lwz r31, 0(r3)
lis r31, 0x8000
ori r31, r31, 0x0ffe
lis r29, 0x0002
cmpw r31, r29
blt no_bat # less than 128 KB -> no BAT
li r29, 18
srw r31, r31, r29 # r31 = total >> 18
# create Block Length mask by replicating
# the leading logical one 14 times
li r29, 14
mtctr r31
li r29, 1
bat_mask:
srw r30, r31, r29 # r30 = mask >> 1
or r31, r31, r30 # mask = mask | r30
bdnz bat_mask
andi. r31, r31, 0x07ff # mask = mask & 0x07ff (BAT can map up to 256 MB)
li r29, 2
slw r31, r31, r29 # mask = mask << 2
ori r31, r31, 0x0002 # mask = mask | 0x0002 (priviledged access only)
lis r29, 0x8000
or r29, r29, r31
lis r30, 0x0000
ori r30, r30, 0x0002
mtspr ibat0u, r31
mtspr ibat0u, r29
mtspr ibat0l, r30
mtspr dbat0u, r31
mtspr dbat0u, r29
mtspr dbat0l, r30
no_bat:
 
#endif
/boot/trunk/arch/ppc32/loader/debug.inc
8307,3 → 8307,8
#ifdef CONFIG_DEBUG
#endif
.endm
 
.macro DEBUG_bat_mask
#ifdef CONFIG_DEBUG
#endif
.endm