[IA64] Add PAL_VM_SUMMARY/PAL_MEM_ATTRIB to bootloader for SKI

This patch implements PAL_VM_SUMMARY (and PAL_MEM_ATTRIB for good
measure) and pretends that the simulated machine is a McKinley.

Some extra comments and clean-up by Tony Luck.

Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 25 insertions, 6 deletions

diff --git a/arch/ia64/hp/sim/boot/boot_head.S b/arch/ia64/hp/sim/boot/boot_head.S
index 1c8c7e6a9a5e..a9bd71ac78e2 100644
--- a/arch/ia64/hp/sim/boot/boot_head.S
+++ b/arch/ia64/hp/sim/boot/boot_head.S
@@ -4,6 +4,7 @@
  */
 
 #include <asm/asmmacro.h>
+#include <asm/pal.h>
 
         .bss
         .align 16
@@ -49,7 +50,11 @@ GLOBAL_ENTRY(jmp_to_kernel)
         br.sptk.few b7
 END(jmp_to_kernel)
 
-
+/*
+ * r28 contains the index of the PAL function
+ * r29--31 the args
+ * Return values in ret0--3 (r8--11)
+ */
 GLOBAL_ENTRY(pal_emulator_static)
         mov r8=-1
         mov r9=256
@@ -62,7 +67,7 @@ GLOBAL_ENTRY(pal_emulator_static)
         cmp.gtu p6,p7=r9,r28
 (p6)    br.cond.sptk.few stacked
         ;;
-static: cmp.eq p6,p7=6,r28              /* PAL_PTCE_INFO */
+static: cmp.eq p6,p7=PAL_PTCE_INFO,r28
 (p7)    br.cond.sptk.few 1f
         ;;
         mov r8=0                        /* status = 0 */
@@ -70,21 +75,21 @@ static:	cmp.eq p6,p7=6,r28		/* PAL_PTCE_INFO */
         movl r10=0x0000000200000003     /* count[0], count[1] */
         movl r11=0x1000000000002000     /* stride[0], stride[1] */
         br.cond.sptk.few rp
-1:      cmp.eq p6,p7=14,r28             /* PAL_FREQ_RATIOS */
+1:      cmp.eq p6,p7=PAL_FREQ_RATIOS,r28
 (p7)    br.cond.sptk.few 1f
         mov r8=0                        /* status = 0 */
         movl r9 =0x100000064            /* proc_ratio (1/100) */
         movl r10=0x100000100            /* bus_ratio<<32 (1/256) */
         movl r11=0x100000064            /* itc_ratio<<32 (1/100) */
         ;;
-1:      cmp.eq p6,p7=19,r28             /* PAL_RSE_INFO */
+1:      cmp.eq p6,p7=PAL_RSE_INFO,r28
 (p7)    br.cond.sptk.few 1f
         mov r8=0                        /* status = 0 */
         mov r9=96                       /* num phys stacked */
         mov r10=0                       /* hints */
         mov r11=0
         br.cond.sptk.few rp
-1:      cmp.eq p6,p7=1,r28              /* PAL_CACHE_FLUSH */
+1:      cmp.eq p6,p7=PAL_CACHE_FLUSH,r28                /* PAL_CACHE_FLUSH */
 (p7)    br.cond.sptk.few 1f
         mov r9=ar.lc
         movl r8=524288                  /* flush 512k million cache lines (16MB) */
@@ -102,7 +107,7 @@ static:	cmp.eq p6,p7=6,r28		/* PAL_PTCE_INFO */
         mov ar.lc=r9
         mov r8=r0
         ;;
-1:      cmp.eq p6,p7=15,r28             /* PAL_PERF_MON_INFO */
+1:      cmp.eq p6,p7=PAL_PERF_MON_INFO,r28
 (p7)    br.cond.sptk.few 1f
         mov r8=0                        /* status = 0 */
         movl r9 =0x08122f04             /* generic=4 width=47 retired=8 cycles=18 */
@@ -138,6 +143,20 @@ static:	cmp.eq p6,p7=6,r28		/* PAL_PTCE_INFO */
         st8 [r29]=r0,16                 /* clear remaining bits  */
         st8 [r18]=r0,16                 /* clear remaining bits  */
         ;;
+1:      cmp.eq p6,p7=PAL_VM_SUMMARY,r28
+(p7)    br.cond.sptk.few 1f
+        mov     r8=0                    /* status = 0  */
+        movl    r9=0x2044040020F1865    /* num_tc_levels=2, num_unique_tcs=4 */
+                                        /* max_itr_entry=64, max_dtr_entry=64 */
+                                        /* hash_tag_id=2, max_pkr=15 */
+                                        /* key_size=24, phys_add_size=50, vw=1 */
+        movl    r10=0x183C              /* rid_size=24, impl_va_msb=60 */
+        ;;
+1:      cmp.eq p6,p7=PAL_MEM_ATTRIB,r28
+(p7)    br.cond.sptk.few 1f
+        mov     r8=0                    /* status = 0 */
+        mov     r9=0x80|0x01            /* NatPage|WB */
+        ;;
 1:      br.cond.sptk.few rp
 stacked:
         br.ret.sptk.few rp