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ofmem: CIF release preparations

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Add an ofmem_release() function and stub out the implementation.

Hook it up for ppc and sparc64.

Cc: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@938 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Andreas Färber
2010-10-31 15:12:01 +00:00
committed by Andreas Färber
parent b0158732da
commit ce371d6307
4 changed files with 33 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/ppc/qemu/methods.c
View File

@@ -271,8 +271,9 @@ ciface_claim( void )
static void
ciface_release( void )
{
POP();
POP();
ucell size = POP();
ucell virt = POP();
ofmem_release(virt, size);
}

5
arch/sparc64/lib.c
View File

@@ -584,8 +584,9 @@ ciface_claim( void )
static void
ciface_release( void )
{
POP();
POP();
ucell size = POP();
ucell virt = POP();
ofmem_release(virt, size);
}
DECLARE_NODE(memory, INSTALL_OPEN, 0, "/memory");

1
include/libopenbios/ofmem.h
View File

@@ -101,6 +101,7 @@ extern ucell ofmem_retain( ucell phys, ucell size, ucell align );
extern int ofmem_map( ucell phys, ucell virt, ucell size, ucell mode );
extern int ofmem_unmap( ucell virt, ucell size );
extern void ofmem_release( ucell virt, ucell size );
extern void ofmem_release_phys( ucell phys, ucell size );
extern void ofmem_release_virt( ucell virt, ucell size );
extern ucell ofmem_translate( ucell virt, ucell *ret_mode );

28
libopenbios/ofmem_common.c
View File

@@ -770,13 +770,19 @@ ucell ofmem_translate( ucell virt, ucell *mode )
return -1;
}
static void remove_range( ucell ea, ucell size, range_t **r )
{
OFMEM_TRACE("%s: not implemented\n", __func__);
}
/* release memory allocated by ofmem_claim_phys */
void ofmem_release_phys( ucell phys, ucell size )
{
OFMEM_TRACE("ofmem_release_phys addr=" FMT_ucellx " size=" FMT_ucellx "\n",
phys, size);
OFMEM_TRACE("ofmem_release_phys not implemented");
ofmem_t *ofmem = ofmem_arch_get_private();
remove_range(phys, size, &ofmem->phys_range);
}
/* release memory allocated by ofmem_claim_virt */
@@ -785,7 +791,25 @@ void ofmem_release_virt( ucell virt, ucell size )
OFMEM_TRACE("ofmem_release_virt addr=" FMT_ucellx " size=" FMT_ucellx "\n",
virt, size);
OFMEM_TRACE("ofmem_release_virt not implemented");
ofmem_t *ofmem = ofmem_arch_get_private();
remove_range(virt, size, &ofmem->virt_range);
}
/* release memory allocated by ofmem_claim - 6.3.2.4 */
void ofmem_release( ucell virt, ucell size )
{
OFMEM_TRACE("%s addr=" FMT_ucellx " size=" FMT_ucellx "\n",
__func__, virt, size);
ucell mode;
ucell phys = ofmem_translate(virt, &mode);
if (phys == (ucell)-1) {
OFMEM_TRACE("%s: no mapping\n", __func__);
return;
}
ofmem_unmap(virt, size);
ofmem_release_virt(virt, size);
ofmem_release_phys(phys, size);
}
/************************************************************************/