diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/syscall_mm.C | 11 | ||||
| -rw-r--r-- | src/lib/syscall_mmio.C | 4 |
2 files changed, 12 insertions, 3 deletions
diff --git a/src/lib/syscall_mm.C b/src/lib/syscall_mm.C index b6b17839a..f6aaa75de 100644 --- a/src/lib/syscall_mm.C +++ b/src/lib/syscall_mm.C @@ -137,7 +137,16 @@ void mm_tolerate_ue(uint64_t i_state) */ void* mm_block_map(void* i_paddr, uint64_t i_size) { - return _syscall3(DEV_MAP, i_paddr, (void*)i_size, (void*)1); + return _syscall4(DEV_MAP, i_paddr, (void*)i_size, (void*)1, (void*)0); +} + +/** + * System call to map an arbitrary physical address into the VMM with guarded + * permissions to prevent out-of-order access to instructions and data + */ +void* mm_guarded_block_map(void* i_paddr, uint64_t i_size) +{ + return _syscall4(DEV_MAP, i_paddr, (void*)i_size, (void*)1, (void*)1); } /** diff --git a/src/lib/syscall_mmio.C b/src/lib/syscall_mmio.C index 541528e3b..535e22d39 100644 --- a/src/lib/syscall_mmio.C +++ b/src/lib/syscall_mmio.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2010,2014 */ +/* Contributors Listed Below - COPYRIGHT 2010,2015 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -33,7 +33,7 @@ using namespace Systemcalls; void* mmio_dev_map(void *ra, uint64_t i_devDataSize) { - return _syscall3(DEV_MAP, ra, (void*)i_devDataSize, (void*)0); + return _syscall4(DEV_MAP, ra, (void*)i_devDataSize, (void*)0, (void*)1); } int mmio_dev_unmap(void *ea) |
