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Postpone mapping of the memory

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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@650 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2009-12-29 17:36:03 +00:00
parent 9b72f2cd0a
commit 8fde0b100a
2 changed files with 3 additions and 39 deletions
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39
arch/sparc64/entry.S
View File

@@ -180,26 +180,6 @@ entry:
bne 1b
add %l2, %g5, %l2
#if 1
! setup 0-16M
mov %g0, %g4
mov 4, %g6
set 48, %g7
set 0x400000, %g5
1: stxa %g4, [%g7] ASI_DMMU ! vaddr = 0, ctx=0
set 0xe0000000, %g3
sllx %g3, 32, %g3
or %g3, 0x36, %g3
or %g4, %g3, %g3
! valid, 4M, cacheable(I/E/C), priv, writable
! paddr = 0
stxa %g3, [%g0] ASI_DTLB_DATA_IN
add %g4, %g5, %g4
deccc %g6
bne 1b
nop
#endif
membar #Sync
setx _start, %g7, %g4
@@ -224,25 +204,6 @@ entry:
bne 1b
add %l2, %g5, %l2
#if 1
! setup 0-16M
mov %g0, %g4
mov 4, %g6
set 0x400000, %g5
1: stxa %g4, [%g7] ASI_IMMU ! vaddr = 0, ctx=0
set 0xe0000000, %g3
sllx %g3, 32, %g3
or %g3, 0x34, %g3
or %g4, %g3, %g3
! valid, 4M, cacheable(I/E/C), priv
! paddr = 0
stxa %g3, [%g0] ASI_ITLB_DATA_IN
add %g4, %g5, %g4
deccc %g6
bne 1b
nop
#endif
flush %g4
mov %g1, %g3

3
arch/sparc64/ofmem_sparc64.c
View File

@@ -100,5 +100,8 @@ void ofmem_init( void )
/* inherit translations set up by entry.S */
ofmem_walk_boot_map(remap_page_range);
/* Map the memory */
ofmem_map_page_range(0, 0, qemu_mem_size, 0x36);
}