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-rwxr-xr-xsrc/usr/targeting/attrrp.C57
-rwxr-xr-xsrc/usr/targeting/targetservicestart.C68
2 files changed, 99 insertions, 26 deletions
diff --git a/src/usr/targeting/attrrp.C b/src/usr/targeting/attrrp.C
index b4d5ce155..432a2481a 100755
--- a/src/usr/targeting/attrrp.C
+++ b/src/usr/targeting/attrrp.C
@@ -334,6 +334,33 @@ namespace TARGETING
}
}
+ uint64_t AttrRP::getHbDataTocAddr()
+ {
+ // Setup physical TOC address
+ uint64_t l_toc_addr = 0;
+ Bootloader::keyAddrPair_t l_keyAddrPairs =
+ g_BlToHbDataManager.getKeyAddrPairs();
+
+ for (uint8_t keyIndex = 0; keyIndex < MAX_ROW_COUNT; keyIndex++)
+ {
+ if(l_keyAddrPairs.key[keyIndex] == SBEIO::RSV_MEM_ATTR_ADDR)
+ {
+ l_toc_addr = l_keyAddrPairs.addr[keyIndex];
+ break;
+ }
+ }
+
+ if(!l_toc_addr)
+ {
+ // Setup physical TOC address to hardcoded value
+ l_toc_addr = cpu_spr_value(CPU_SPR_HRMOR) +
+ VMM_HB_DATA_TOC_START_OFFSET;
+ }
+
+ // return the vaddr found from the mapping
+ return l_toc_addr;
+ }
+
errlHndl_t AttrRP::parseAttrSectHeader()
{
errlHndl_t l_errl = NULL;
@@ -372,39 +399,17 @@ namespace TARGETING
//Create a block map of the address space we used to store
//attribute information on the initial IPL
//Account HRMOR (non 0 base addr)
-
- ///////////////////////////////////////////////////////////////
- // This should change to get address from SBE. Currently hack
- // to the start of ATTR data section on FSP systems
uint64_t l_phys_attr_data_addr = 0;
uint64_t l_attr_data_size = 0;
// Setup physical TOC address
- uint64_t l_toc_addr = 0;
-
- Bootloader::keyAddrPair_t l_keyAddrPairs =
- g_BlToHbDataManager.getKeyAddrPairs();
-
- for (uint8_t keyIndex = 0; keyIndex < MAX_ROW_COUNT; keyIndex++)
- {
- if(l_keyAddrPairs.key[keyIndex] == SBEIO::RSV_MEM_ATTR_ADDR)
- {
- l_toc_addr = l_keyAddrPairs.addr[keyIndex];
- }
- }
-
- if(!l_toc_addr)
- {
- // Setup physical TOC address to hardcoded value
- l_toc_addr = cpu_spr_value(CPU_SPR_HRMOR) +
- VMM_HB_DATA_TOC_START_OFFSET;
- }
+ uint64_t l_toc_addr = AttrRP::getHbDataTocAddr();
// Now map the TOC to find the ATTR label address & size
Util::hbrtTableOfContents_t * l_toc_ptr =
- reinterpret_cast<Util::hbrtTableOfContents_t *>(
- mm_block_map(reinterpret_cast<void*>(l_toc_addr),
- sizeof(Util::hbrtTableOfContents_t)));
+ reinterpret_cast<Util::hbrtTableOfContents_t *>(
+ mm_block_map(reinterpret_cast<void*>(l_toc_addr),
+ sizeof(Util::hbrtTableOfContents_t)));
if (l_toc_ptr != 0)
{
diff --git a/src/usr/targeting/targetservicestart.C b/src/usr/targeting/targetservicestart.C
index 5eb625d52..636f2e60e 100755
--- a/src/usr/targeting/targetservicestart.C
+++ b/src/usr/targeting/targetservicestart.C
@@ -46,6 +46,7 @@
#include <targeting/adapters/assertadapter.H>
#include <initservice/taskargs.H>
#include <util/utilmbox_scratch.H>
+#include <util/align.H>
// This component
#include <targeting/common/targetservice.H>
@@ -58,6 +59,7 @@
#include <config.h>
#include <initservice/initserviceif.H>
#include <util/misc.H>
+#include <util/utilrsvdmem.H>
#include <kernel/bltohbdatamgr.H>
#include <map>
#include <arch/memorymap.H>
@@ -65,6 +67,8 @@
#include <xscom/xscomif.H>
#include <bootloader/bootloaderif.H>
#include <sbeio/sbeioif.H>
+#include <sys/mm.h>
+#include "../runtime/hdatstructs.H"
#ifdef CONFIG_DRTM
#include <secureboot/drtm.H>
@@ -437,6 +441,70 @@ static void initializeAttributes(TargetService& i_targetService,
auto tpmMutex=tpm->getHbMutexAttr<ATTR_HB_TPM_MUTEX>();
mutex_init(tpmMutex);
}
+
+ // Setup physical TOC address
+ uint64_t l_hbdTocAddr = AttrRP::getHbDataTocAddr();
+
+ // Variables to store information about Hostboot/Hypervisor communcation area
+ uint64_t l_hypComm_virt_addr = 0;
+ uint64_t l_hypComm_phys_addr = 0;
+ uint64_t l_hypComm_size = 0;
+
+ // Now map the TOC to find the total size of the data section
+ Util::hbrtTableOfContents_t * l_toc_ptr =
+ reinterpret_cast<Util::hbrtTableOfContents_t *>(
+ mm_block_map(reinterpret_cast<void*>(l_hbdTocAddr),
+ ALIGN_PAGE(sizeof(Util::hbrtTableOfContents_t))));
+
+ // read the TOC and look for ATTR data section
+ l_hypComm_virt_addr = Util::hb_find_rsvd_mem_label(
+ Util::HBRT_MEM_LABEL_HYPCOMM,
+ l_toc_ptr,
+ l_hypComm_size);
+
+
+ //This will tell us how far from the beginning of the toc_ptr the hypComm area starts
+ uint64_t l_hypComm_offset = l_hypComm_virt_addr - reinterpret_cast<uint64_t>(l_toc_ptr);
+
+ //Use the offset found w/ virtual addresses to determine the physical address of the
+ //hostboot/hypervisor comm area
+ l_hypComm_phys_addr = l_hbdTocAddr + l_hypComm_offset;
+
+ // Clear the mapped memory for the TOC, it is not longer needed as we have phys ptr
+ assert (0 == mm_block_unmap(reinterpret_cast<void*>(l_toc_ptr)),
+ "Failed to unmap hbData TOC");
+
+ // The hb/hyp communcation area is at the end of the hostboot
+ // data reserved mem section.
+ hbHypCommArea_t * l_hbHypComm_ptr =
+ reinterpret_cast<hbHypCommArea_t *>(
+ mm_block_map(reinterpret_cast<void*>(l_hypComm_phys_addr),
+ ALIGN_PAGE(sizeof(l_hypComm_size))));
+
+ // Make sure the magic number and version are valid
+ if(l_hbHypComm_ptr->magicNum == HYPECOMM_MAGIC_NUM && l_hbHypComm_ptr->version >= STRUCT_VERSION_FIRST)
+ {
+ // if the hrmor in the comm area is non-zero then set the payload base attribute
+ if( l_hbHypComm_ptr->hrmorAddress)
+ {
+ TARG_INF("Setting ATTR_PAYLOAD_BASE to new hrmor given by hypervisor: 0x%lx",
+ l_hbHypComm_ptr->hrmorAddress);
+ l_pTopLevel->setAttr<ATTR_PAYLOAD_BASE>(l_hbHypComm_ptr->hrmorAddress);
+ }
+ else
+ {
+ TARG_INF("Using default HRMOR as hypervisor did notify us of a change in it's HRMOR on previous boot");
+ }
+
+ }
+ else
+ {
+ TARG_INF("Warning!! hbHypCommArea_t's version is invalid so we cannot check if hrmor has been changed");
+ }
+
+ // Clear the mapped memory for the hbHypComm area
+ assert(0 == mm_block_unmap(reinterpret_cast<void*>(l_hbHypComm_ptr)),
+ "Failed to unmap hbHypComm area");
}
else
{
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