[IA64] Implemented PAL_FIXED_ADDR

The Intel GFW still calls this, so we might as well implemented it.
Based on patch from Anthony and Wing, adds additional cleanups and
toning down of some of the error messages.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>

diff --git a/xen/arch/ia64/xen/fw_emul.c b/xen/arch/ia64/xen/fw_emul.c
index 0cca1a4e3507d892726375f1a4514c1776b1ff3c..c7098c863e3b08acecb9f54684fafae99c907b8a 100644 (file)
--- a/xen/arch/ia64/xen/fw_emul.c
+++ b/xen/arch/ia64/xen/fw_emul.c
@@ -512,12 +512,13 @@ xen_pal_emulator(unsigned long index, u64 in1, u64 in2, u64 in3)
                                (struct pal_freq_ratio *) &r11);
                break;
            case PAL_PTCE_INFO:
-               {
-                       // return hard-coded xen-specific values because ptc.e
-                       // is emulated on xen to always flush everything
-                       // these values result in only one ptc.e instruction
-                       status = 0; r9 = 0; r10 = (1L << 32) | 1L; r11 = 0;
-               }
+               /*
+                * return hard-coded xen-specific values because ptc.e
+                * is emulated on xen to always flush everything
+                * these values result in only one ptc.e instruction
+                */
+               status = PAL_STATUS_SUCCESS;
+               r10 = (1L << 32) | 1L;
                break;
            case PAL_VERSION:
                status = ia64_pal_version(
@@ -620,14 +621,11 @@ xen_pal_emulator(unsigned long index, u64 in1, u64 in2, u64 in3)
                        /* Only support PAGE_SIZE tc.  */
                        r10 = PAGE_SIZE;
                        status = PAL_STATUS_SUCCESS;
-               }
-               else
+               } else
                        status = PAL_STATUS_EINVAL;
                break;
            case PAL_RSE_INFO:
-               status = ia64_pal_rse_info(
-                               &r9,
-                               (pal_hints_u_t *) &r10);
+               status = ia64_pal_rse_info(&r9, (pal_hints_u_t *)&r10);
                break;
            case PAL_REGISTER_INFO:
                status = ia64_pal_register_info(in1, &r9, &r10);
@@ -699,13 +697,14 @@ xen_pal_emulator(unsigned long index, u64 in1, u64 in2, u64 in3)
                {
                        pal_cache_config_info_t ci;
                        status = ia64_pal_cache_config_info(in1,in2,&ci);
-                       if (status != 0) break;
+                       if (status != 0)
+                               break;
                        r9 = ci.pcci_info_1.pcci1_data;
                        r10 = ci.pcci_info_2.pcci2_data;
                }
                break;
            case PAL_VM_TR_READ:        /* FIXME: vcpu_get_tr?? */
-               printk("PAL_VM_TR_READ NOT IMPLEMENTED, IGNORED!\n");
+               printk("%s: PAL_VM_TR_READ unimplmented, ignored\n", __func__);
                break;
            case PAL_HALT_INFO:
                {
@@ -744,12 +743,15 @@ xen_pal_emulator(unsigned long index, u64 in1, u64 in2, u64 in3)
                if (VMX_DOMAIN(current))
                        status = PAL_STATUS_SUCCESS;
                break;
+           case PAL_FIXED_ADDR:
+               status = PAL_STATUS_SUCCESS;
+               r9 = current->vcpu_id;
+               break;
            case PAL_LOGICAL_TO_PHYSICAL:
                /* Optional, no need to complain about being unimplemented */
                break;
            default:
-               printk("xen_pal_emulator: UNIMPLEMENTED PAL CALL %lu!!!!\n",
-                               index);
+               printk("%s: Unimplemented PAL Call %lu\n", __func__, index);
                break;
        }
        return ((struct ia64_pal_retval) {status, r9, r10, r11});