[Xen-changelog] [xen-unstable] [IA64] enable xenctx on ia64

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID b16063ae0703bf728eff740e34744d32662e397e
# Parent  eb6b0c7d99929559fefb49fda2469a0c27754f9e
[IA64] enable xenctx on ia64

Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>
---
 tools/libxc/xc_ia64_stubs.c    |    2 +-
 tools/libxc/xc_linux_build.c   |    8 ++++----
 tools/xentrace/Makefile        |    4 ++++
 tools/xentrace/xenctx.c        |   39 ++++++++++++++++++++++++++++++++++++++-
 xen/arch/ia64/xen/domain.c     |    4 ++--
 xen/include/public/arch-ia64.h |    2 +-
 6 files changed, 50 insertions(+), 9 deletions(-)

diff -r eb6b0c7d9992 -r b16063ae0703 tools/libxc/xc_ia64_stubs.c
--- a/tools/libxc/xc_ia64_stubs.c       Mon Jun 19 13:15:31 2006 -0600
+++ b/tools/libxc/xc_ia64_stubs.c       Mon Jun 19 13:26:45 2006 -0600
@@ -738,7 +738,7 @@ int xc_hvm_build(int xc_handle,
     free(image);
 
     ctxt->flags = VGCF_VMX_GUEST;
-    ctxt->regs.cr_iip = 0x80000000ffffffb0UL;
+    ctxt->user_regs.cr_iip = 0x80000000ffffffb0UL;
     ctxt->privregs = 0;
 
     memset( &launch_op, 0, sizeof(launch_op) );
diff -r eb6b0c7d9992 -r b16063ae0703 tools/libxc/xc_linux_build.c
--- a/tools/libxc/xc_linux_build.c      Mon Jun 19 13:15:31 2006 -0600
+++ b/tools/libxc/xc_linux_build.c      Mon Jun 19 13:26:45 2006 -0600
@@ -1158,10 +1158,10 @@ static int xc_linux_build_internal(int x
     ctxt->flags = 0;
     ctxt->shared.flags = flags;
     ctxt->shared.start_info_pfn = nr_pages - 3; /* metaphysical */
-    ctxt->regs.cr_ipsr = 0; /* all necessary bits filled by hypervisor */
-    ctxt->regs.cr_iip = vkern_entry;
-    ctxt->regs.cr_ifs = 1UL << 63;
-    ctxt->regs.ar_fpsr = xc_ia64_fpsr_default();
+    ctxt->user_regs.cr_ipsr = 0; /* all necessary bits filled by hypervisor */
+    ctxt->user_regs.cr_iip = vkern_entry;
+    ctxt->user_regs.cr_ifs = 1UL << 63;
+    ctxt->user_regs.ar_fpsr = xc_ia64_fpsr_default();
     /* currently done by hypervisor, should move here */
     /* ctxt->regs.r28 = dom_fw_setup(); */
     ctxt->privregs = 0;
diff -r eb6b0c7d9992 -r b16063ae0703 tools/xentrace/Makefile
--- a/tools/xentrace/Makefile   Mon Jun 19 13:15:31 2006 -0600
+++ b/tools/xentrace/Makefile   Mon Jun 19 13:26:45 2006 -0600
@@ -28,6 +28,10 @@ LIBBIN  += xenctx
 LIBBIN  += xenctx
 endif
 
+ifeq ($(XEN_TARGET_ARCH),ia64)
+LIBBIN  += xenctx
+endif
+
 .PHONY: all
 all: build
 
diff -r eb6b0c7d9992 -r b16063ae0703 tools/xentrace/xenctx.c
--- a/tools/xentrace/xenctx.c   Mon Jun 19 13:15:31 2006 -0600
+++ b/tools/xentrace/xenctx.c   Mon Jun 19 13:26:45 2006 -0600
@@ -44,6 +44,15 @@ int stack_trace = 0;
 #define INSTR_POINTER(regs)    (regs->rip)
 #define STACK_ROWS             4
 #define STACK_COLS             4
+#elif defined (__ia64__)
+#define FMT_SIZE_T             "%016lx"
+#define STACK_POINTER(regs)    (regs->r12)
+#define FRAME_POINTER(regs)    0
+#define INSTR_POINTER(regs)    (regs->cr_iip)
+#define STACK_ROWS             4
+#define STACK_COLS             4
+/* On ia64, we can't translate virtual address to physical address.  */
+#define NO_TRANSLATION
 #endif
 
 struct symbol {
@@ -255,8 +264,33 @@ void print_ctx(vcpu_guest_context_t *ctx
     printf(" gs: %08x\n", regs->gs);
 
 }
+#elif defined(__ia64__)
+void print_ctx(vcpu_guest_context_t *ctx1)
+{
+    struct cpu_user_regs *regs = &ctx1->user_regs;
+
+    printf("iip: %016lx ", regs->cr_iip);
+    print_symbol(regs->cr_iip);
+    printf("\n");
+    printf(" sp: %016lx  ", regs->r12);
+    printf(" b0: %016lx\n", regs->b0);
+    printf(" tp: %016lx  ", regs->r13);
+    printf(" r1: %016lx\n", regs->r1);
+
+
+    printf(" r2: %016lx  ", regs->r2);
+    printf(" r3: %016lx\n", regs->r3);
+    printf(" r4: %016lx  ", regs->r4);
+    printf(" r5: %016lx\n", regs->r5);
+
+    printf(" r6: %016lx  ", regs->r6);
+    printf(" r7: %016lx\n", regs->r7);
+    printf(" r8: %016lx  ", regs->r8);
+    printf(" r9: %016lx\n", regs->r9);
+}
 #endif
 
+#ifndef NO_TRANSLATION
 void *map_page(vcpu_guest_context_t *ctx, int vcpu, size_t virt)
 {
     static unsigned long previous_mfn = 0;
@@ -371,6 +405,7 @@ void print_stack(vcpu_guest_context_t *c
         }
     }
 }
+#endif
 
 void dump_ctx(int vcpu)
 {
@@ -393,8 +428,10 @@ void dump_ctx(int vcpu)
     }
 
     print_ctx(&ctx);
-    if (is_kernel_text(ctx.user_regs.eip))
+#ifndef NO_TRANSLATION
+    if (is_kernel_text(INSTR_POINTER((&ctx.user_regs))))
         print_stack(&ctx, vcpu);
+#endif
 
     ret = xc_domain_unpause(xc_handle, domid);
     if (ret < 0) {
diff -r eb6b0c7d9992 -r b16063ae0703 xen/arch/ia64/xen/domain.c
--- a/xen/arch/ia64/xen/domain.c        Mon Jun 19 13:15:31 2006 -0600
+++ b/xen/arch/ia64/xen/domain.c        Mon Jun 19 13:26:45 2006 -0600
@@ -353,7 +353,7 @@ void arch_domain_destroy(struct domain *
 
 void arch_getdomaininfo_ctxt(struct vcpu *v, struct vcpu_guest_context *c)
 {
-       c->regs = *vcpu_regs (v);
+       c->user_regs = *vcpu_regs (v);
        c->shared = v->domain->shared_info->arch;
 }
 
@@ -378,7 +378,7 @@ int arch_set_info_guest(struct vcpu *v, 
        } else if (!d->arch.physmap_built)
            build_physmap_table(d);
 
-       *regs = c->regs;
+       *regs = c->user_regs;
        cmdline_addr = 0;
        if (v == d->vcpu[0]) {
            /* Only for first vcpu.  */
diff -r eb6b0c7d9992 -r b16063ae0703 xen/include/public/arch-ia64.h
--- a/xen/include/public/arch-ia64.h    Mon Jun 19 13:15:31 2006 -0600
+++ b/xen/include/public/arch-ia64.h    Mon Jun 19 13:26:45 2006 -0600
@@ -336,7 +336,7 @@ struct vcpu_guest_context {
     unsigned long sys_pgnr;    /* System pages out of domain memory */
     unsigned long vm_assist;   /* VMASST_TYPE_* bitmap, now none on IPF */
 
-    struct cpu_user_regs regs;
+    struct cpu_user_regs user_regs;
     struct mapped_regs *privregs;
     struct arch_shared_info shared;
     struct arch_initrd_info initrd;

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