[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH RESEND 14/14] libxc/xc_dom_core: Copy ACPI tables to guest memory space
From: Shannon Zhao <shannon.zhao@xxxxxxxxxx> Copy all the ACPI tables to guest memory space and also initialize the address of the tables. Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx> --- tools/libxc/xc_dom_core.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/tools/libxc/xc_dom_core.c b/tools/libxc/xc_dom_core.c index 55c779d..6d91a46 100644 --- a/tools/libxc/xc_dom_core.c +++ b/tools/libxc/xc_dom_core.c @@ -33,6 +33,7 @@ #include "xg_private.h" #include "xc_dom.h" +#include "acpi_defs.h" /* ------------------------------------------------------------------------ */ /* debugging */ @@ -1096,6 +1097,64 @@ int xc_dom_build_image(struct xc_dom_image *dom) memcpy(devicetreemap, dom->devicetree_blob, dom->devicetree_size); } + /* load ACPI tables */ + if ( dom->acpitable_blob ) + { + void *acpitablemap; + uint64_t start = dom->acpi_seg.vstart; + struct acpi_xsdt_descriptor *xsdt; + struct acpi_rsdp_descriptor *rsdp; + struct acpi_fadt_descriptor *fadt; + + if ( xc_dom_alloc_segment(dom, &dom->acpi_seg, "acpitable", + start, dom->acpitable_size) != 0 ) + goto err; + + acpitablemap = xc_dom_seg_to_ptr(dom, &dom->acpi_seg); + if ( acpitablemap == NULL ) + { + DOMPRINTF("%s: xc_dom_seg_to_ptr(dom, &dom->acpi_seg) => NULL", + __FUNCTION__); + goto err; + } + + rsdp = (struct acpi_rsdp_descriptor *)acpitablemap; + memcpy(acpitablemap, dom->acpitable_blob->rsdp.table, + dom->acpitable_blob->rsdp.size); + start += dom->acpitable_blob->rsdp.size; + acpitablemap += dom->acpitable_blob->rsdp.size; + + xsdt = (struct acpi_xsdt_descriptor *)acpitablemap; + memcpy(acpitablemap, dom->acpitable_blob->xsdt.table, + dom->acpitable_blob->xsdt.size); + rsdp->xsdt_physical_address = start; + start += dom->acpitable_blob->xsdt.size; + acpitablemap += dom->acpitable_blob->xsdt.size; + + memcpy(acpitablemap, dom->acpitable_blob->madt.table, + dom->acpitable_blob->madt.size); + xsdt->entry[0] = start; + start += dom->acpitable_blob->madt.size; + acpitablemap += dom->acpitable_blob->madt.size; + + memcpy(acpitablemap, dom->acpitable_blob->gtdt.table, + dom->acpitable_blob->gtdt.size); + xsdt->entry[1] = start; + start += dom->acpitable_blob->gtdt.size; + acpitablemap += dom->acpitable_blob->gtdt.size; + + fadt = (struct acpi_fadt_descriptor *)acpitablemap; + memcpy(acpitablemap, dom->acpitable_blob->fadt.table, + dom->acpitable_blob->fadt.size); + xsdt->entry[2] = start; + start += dom->acpitable_blob->fadt.size; + acpitablemap += dom->acpitable_blob->fadt.size; + + memcpy(acpitablemap, dom->acpitable_blob->dsdt.table, + dom->acpitable_blob->dsdt.size); + fadt->dsdt = start; + } + /* allocate other pages */ if ( !dom->arch_hooks->p2m_base_supported || dom->parms.p2m_base >= dom->parms.virt_base || -- 2.0.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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