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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [IA64] Self IO EMUlator - tools part
# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1203433948 25200
# Node ID 031c8f407e01de2c410276fcad63c640ae412742
# Parent 430a036ab26115335698230c815051b3ee327363
[IA64] Self IO EMUlator - tools part
Signed-off-by: Tristan Gingold <tgingold@xxxxxxx>
---
tools/libxc/ia64/Makefile | 2
tools/libxc/ia64/xc_dom_ia64_util.h | 7 +
tools/libxc/ia64/xc_ia64_dom_fwloader.c | 124 ++++++++++++++++++++++++++++++++
tools/libxc/xc_dom_ia64.c | 39 ++++++++--
4 files changed, 165 insertions(+), 7 deletions(-)
diff -r 430a036ab261 -r 031c8f407e01 tools/libxc/ia64/Makefile
--- a/tools/libxc/ia64/Makefile Tue Feb 19 08:11:22 2008 -0700
+++ b/tools/libxc/ia64/Makefile Tue Feb 19 08:12:28 2008 -0700
@@ -7,6 +7,8 @@ GUEST_SRCS-y += ia64/xc_ia64_linux_resto
GUEST_SRCS-y += ia64/xc_dom_ia64_util.c
GUEST_SRCS-y += ia64/dom_fw_acpi.c
+
+GUEST_SRCS-y += ia64/xc_ia64_dom_fwloader.c
DOMFW_SRCS_BASE := dom_fw_common.c dom_fw_domu.c dom_fw_asm.S
endif
diff -r 430a036ab261 -r 031c8f407e01 tools/libxc/ia64/xc_dom_ia64_util.h
--- a/tools/libxc/ia64/xc_dom_ia64_util.h Tue Feb 19 08:11:22 2008 -0700
+++ b/tools/libxc/ia64/xc_dom_ia64_util.h Tue Feb 19 08:12:28 2008 -0700
@@ -16,4 +16,11 @@ xen_ia64_dom_fw_setup(struct xc_dom_imag
#define efi_systable_init_dom0(tables) assert(0)
#define complete_dom0_memmap(d, tables) ({assert(0);0;})
+/* Defined in xc_dom_ia64.c */
+extern int start_info_ia64(struct xc_dom_image *dom);
+extern int shared_info_ia64(struct xc_dom_image *dom, void *ptr);
+
+#define FW_MEM_BASE 0xff000000UL
+#define FW_MEM_SIZE 0x01000000UL
+
#endif /* XC_IA64_DOM_IA64_UTIL_H */
diff -r 430a036ab261 -r 031c8f407e01 tools/libxc/ia64/xc_ia64_dom_fwloader.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxc/ia64/xc_ia64_dom_fwloader.c Tue Feb 19 08:12:28 2008 -0700
@@ -0,0 +1,124 @@
+#include <stdlib.h>
+#include <inttypes.h>
+#include <asm/kregs.h>
+
+#include <xen/xen.h>
+#include <xen/foreign/ia64.h>
+#include <xen/io/protocols.h>
+
+#include "xg_private.h"
+#include "xc_dom.h"
+
+#include "ia64/xc_dom_ia64_util.h"
+
+static const char fw_magic[16] = {'X', 'e', 'n', '-',
+ 'i', 'a', '6', '4',
+ '-', 'f', 'w', 0,
+ 0, 0, 0, 0};
+#define FW_LOAD 0xff800000UL
+#define FW_SIZE (8 * 1024 * 1024)
+
+static int xc_dom_probe_fw_kernel(struct xc_dom_image *dom)
+{
+ if (dom->kernel_size != FW_SIZE)
+ return -EINVAL;
+ if (memcmp (dom->kernel_blob, fw_magic, sizeof (fw_magic)))
+ return -EINVAL;
+ return 0;
+}
+
+static int xc_dom_parse_fw_kernel(struct xc_dom_image *dom)
+{
+ dom->kernel_seg.vstart = FW_LOAD;
+ dom->kernel_seg.vend = FW_LOAD + FW_SIZE;
+ dom->parms.virt_base = FW_MEM_BASE;
+ dom->parms.virt_entry = FW_LOAD + sizeof (fw_magic);
+ dom->ramdisk_blob = NULL; /* No ramdisk yet. */
+ dom->guest_type = "hvm-3.0-ia64-sioemu";
+ return 0;
+}
+
+static int xc_dom_load_fw_kernel(struct xc_dom_image *dom)
+{
+ char *dest;
+ unsigned long i;
+
+ dest = xc_dom_vaddr_to_ptr(dom, dom->kernel_seg.vstart);
+ memcpy(dest, dom->kernel_blob, FW_SIZE);
+
+ /* Synchronize cache. */
+ for (i = 0; i < FW_SIZE; i += 32)
+ asm volatile ("fc.i %0" :: "r"(dest + i) : "memory");
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static int alloc_magic_pages(struct xc_dom_image *dom)
+{
+ /* allocate special pages */
+ dom->console_pfn = 0;
+ dom->xenstore_pfn = 1;
+ dom->start_info_pfn = 2;
+ return 0;
+}
+
+extern unsigned long xc_ia64_fpsr_default(void);
+
+static int vcpu_ia64(struct xc_dom_image *dom, void *ptr)
+{
+ vcpu_guest_context_ia64_t *ctxt = ptr;
+
+ xc_dom_printf("%s: called\n", __FUNCTION__);
+
+ /* clear everything */
+ memset(ctxt, 0, sizeof(*ctxt));
+
+ ctxt->flags = 0;
+ ctxt->regs.ip = dom->parms.virt_entry;
+#ifdef __ia64__ /* FIXME */
+ ctxt->regs.ar.fpsr = xc_ia64_fpsr_default();
+#endif
+ ctxt->regs.cr.isr = 1UL << 63;
+ ctxt->regs.psr = IA64_PSR_AC | IA64_PSR_BN;
+ ctxt->regs.cr.dcr = 0;
+ ctxt->regs.cr.pta = 15 << 2;
+
+ return 0;
+}
+
+static struct xc_dom_arch xc_dom_arch_ia64_fw = {
+ .guest_type = "hvm-3.0-ia64-sioemu",
+ .native_protocol = XEN_IO_PROTO_ABI_IA64,
+ .page_shift = PAGE_SHIFT_IA64,
+ .alloc_magic_pages = alloc_magic_pages,
+ .start_info = start_info_ia64,
+ .shared_info = shared_info_ia64,
+ .vcpu = vcpu_ia64,
+};
+
+/* ------------------------------------------------------------------------ */
+
+static struct xc_dom_loader fw_loader = {
+ .name = "xen-ia64-fw",
+ .probe = xc_dom_probe_fw_kernel,
+ .parser = xc_dom_parse_fw_kernel,
+ .loader = xc_dom_load_fw_kernel,
+};
+
+static void __init register_fwloader(void)
+{
+ xc_dom_register_arch_hooks(&xc_dom_arch_ia64_fw);
+ xc_dom_register_loader(&fw_loader);
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff -r 430a036ab261 -r 031c8f407e01 tools/libxc/xc_dom_ia64.c
--- a/tools/libxc/xc_dom_ia64.c Tue Feb 19 08:11:22 2008 -0700
+++ b/tools/libxc/xc_dom_ia64.c Tue Feb 19 08:12:28 2008 -0700
@@ -37,7 +37,7 @@ static int alloc_magic_pages(struct xc_d
return 0;
}
-static int start_info_ia64(struct xc_dom_image *dom)
+int start_info_ia64(struct xc_dom_image *dom)
{
start_info_ia64_t *start_info =
xc_dom_pfn_to_ptr(dom, dom->start_info_pfn, 1);
@@ -79,7 +79,7 @@ static int start_info_ia64(struct xc_dom
return 0;
}
-static int shared_info_ia64(struct xc_dom_image *dom, void *ptr)
+int shared_info_ia64(struct xc_dom_image *dom, void *ptr)
{
shared_info_ia64_t *shared_info = ptr;
int i;
@@ -153,15 +153,27 @@ int arch_setup_meminit(struct xc_dom_ima
{
xen_pfn_t pfn;
int rc;
+ unsigned long start;
+ unsigned long nbr;
/* setup initial p2m */
- dom->p2m_host = xc_dom_malloc(dom, sizeof(xen_pfn_t) * dom->total_pages);
- for ( pfn = 0; pfn < dom->total_pages; pfn++ )
- dom->p2m_host[pfn] = pfn;
+ if (dom->guest_type && strcmp(dom->guest_type,
+ "hvm-3.0-ia64-sioemu") == 0) {
+ start = FW_MEM_BASE >> PAGE_SHIFT_IA64;
+ nbr = FW_MEM_SIZE >> PAGE_SHIFT_IA64;
+ } else {
+ start = 0;
+ nbr = dom->total_pages;
+ }
+
+ /* setup initial p2m */
+ dom->p2m_host = xc_dom_malloc(dom, sizeof(xen_pfn_t) * nbr);
+ for ( pfn = 0; pfn < nbr; pfn++ )
+ dom->p2m_host[pfn] = start + pfn;
/* allocate guest memory */
rc = xc_domain_memory_populate_physmap(dom->guest_xc, dom->guest_domid,
- dom->total_pages, 0, 0,
+ nbr, 0, 0,
dom->p2m_host);
return rc;
}
@@ -232,7 +244,20 @@ int arch_setup_bootearly(struct xc_dom_i
DECLARE_DOMCTL;
int rc;
- xc_dom_printf("%s: setup firmware\n", __FUNCTION__);
+ xc_dom_printf("%s: setup firmware for %s\n", __FUNCTION__,
dom->guest_type);
+
+ if (dom->guest_type && strcmp(dom->guest_type,
+ "hvm-3.0-ia64-sioemu") == 0) {
+ memset(&domctl, 0, sizeof(domctl));
+ domctl.u.arch_setup.flags = XEN_DOMAINSETUP_sioemu_guest;
+ domctl.u.arch_setup.bp = 0;
+ domctl.u.arch_setup.maxmem = 0;
+ domctl.cmd = XEN_DOMCTL_arch_setup;
+ domctl.domain = dom->guest_domid;
+ rc = xc_domctl(dom->guest_xc, &domctl);
+ xc_dom_printf("%s: hvm-3.0-ia64-sioemu: %d\n", __FUNCTION__, rc);
+ return rc;
+ }
rc = ia64_setup_memmap(dom);
if (rc)
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