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| author | Patrick Williams <iawillia@us.ibm.com> | 2013-05-20 14:34:56 -0500 |
|---|---|---|
| committer | A. Patrick Williams III <iawillia@us.ibm.com> | 2013-06-10 10:04:07 -0500 |
| commit | 857112a56dc57b18b1feacf948b87875dc4aea45 (patch) | |
| tree | f0ee915b3e37f9134a9268ea0c2a7e32c56a17ee /src/lib | |
| parent | e3d115c541291493888f533b215e28b890776e50 (diff) | |
| download | talos-hostboot-857112a56dc57b18b1feacf948b87875dc4aea45.tar.gz talos-hostboot-857112a56dc57b18b1feacf948b87875dc4aea45.zip | |
New mm_block_map syscall.
RTC: 71081
Change-Id: Ic5531fbba92cfc7aad7d303f043d6a350483d63d
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4607
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/syscall_mm.C | 15 | ||||
| -rw-r--r-- | src/lib/syscall_mmio.C | 6 |
2 files changed, 18 insertions, 3 deletions
diff --git a/src/lib/syscall_mm.C b/src/lib/syscall_mm.C index 98a4aa0a6..b39c23894 100644 --- a/src/lib/syscall_mm.C +++ b/src/lib/syscall_mm.C @@ -128,5 +128,20 @@ void mm_tolerate_ue(uint64_t i_state) // that all preceeding instructions have completed, so there // are no visible effects of instruction reordering with respect // to this state change. +} +/** + * System call to map an arbitrary physical address into the VMM. + */ +void* mm_block_map(void* i_paddr, uint64_t i_size) +{ + return _syscall3(DEV_MAP, i_paddr, (void*)i_size, (void*)1); +} + +/** + * System call to unmap a previous mm_block_map. + */ +int mm_block_unmap(void* i_vaddr) +{ + return (int64_t) _syscall1(DEV_UNMAP, i_vaddr); } diff --git a/src/lib/syscall_mmio.C b/src/lib/syscall_mmio.C index e1e71121e..7d593c27e 100644 --- a/src/lib/syscall_mmio.C +++ b/src/lib/syscall_mmio.C @@ -5,7 +5,7 @@ /* */ /* IBM CONFIDENTIAL */ /* */ -/* COPYRIGHT International Business Machines Corp. 2010,2012 */ +/* COPYRIGHT International Business Machines Corp. 2010,2013 */ /* */ /* p1 */ /* */ @@ -29,9 +29,9 @@ using namespace Systemcalls; -void* mmio_dev_map(void *ra, SEG_DATA_SIZES i_devDataSize) +void* mmio_dev_map(void *ra, uint64_t i_devDataSize) { - return _syscall2(DEV_MAP, ra, (void*)i_devDataSize); + return _syscall3(DEV_MAP, ra, (void*)i_devDataSize, (void*)0); } int mmio_dev_unmap(void *ea) |
