summary refs log tree commit diff stats
path: root/hw/ppc/spapr.c
diff options
context:
space:
mode:
authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-12-20 22:31:01 +0100
committerNicholas Piggin <npiggin@gmail.com>2025-03-11 22:43:31 +1000
commit735f9c878a3e97b1257f2345579734ea2877c46d (patch)
tree03fe02d1d083a033481a433b6207e81b33f3277d /hw/ppc/spapr.c
parent9087929887fa51cbd11418e40d6f9fee09e63169 (diff)
downloadfocaccia-qemu-735f9c878a3e97b1257f2345579734ea2877c46d.tar.gz
focaccia-qemu-735f9c878a3e97b1257f2345579734ea2877c46d.zip
hw/ppc/spapr: Convert CLEAN_HPTE() macro as hpte_set_clean() method
Convert CLEAN_HPTE() macro as hpte_set_clean() method.

sPAPR data structures including the hash page table are big-endian
regardless of current CPU endian mode, so use the big-endian LD/ST
API to access the hash PTEs.

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-ID: <20241220213103.6314-5-philmd@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index dd81398445..3568a97045 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1419,7 +1419,12 @@ static bool hpte_is_dirty(SpaprMachineState *s, unsigned index)
     return ldq_be_p(hpte_get_ptr(s, index)) & HPTE64_V_HPTE_DIRTY;
 }
 
-#define CLEAN_HPTE(_hpte)  ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY))
+static void hpte_set_clean(SpaprMachineState *s, unsigned index)
+{
+    stq_be_p(hpte_get_ptr(s, index),
+             ldq_be_p(hpte_get_ptr(s, index)) & ~HPTE64_V_HPTE_DIRTY);
+}
+
 #define DIRTY_HPTE(_hpte)  ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY))
 
 /*
@@ -2215,7 +2220,7 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr,
         /* Consume invalid HPTEs */
         while ((index < htabslots)
                && !hpte_is_valid(spapr, index)) {
-            CLEAN_HPTE(hpte_get_ptr(spapr, index));
+            hpte_set_clean(spapr, index);
             index++;
         }
 
@@ -2223,7 +2228,7 @@ static void htab_save_first_pass(QEMUFile *f, SpaprMachineState *spapr,
         chunkstart = index;
         while ((index < htabslots) && (index - chunkstart < USHRT_MAX)
                && hpte_is_valid(spapr, index)) {
-            CLEAN_HPTE(hpte_get_ptr(spapr, index));
+            hpte_set_clean(spapr, index);
             index++;
         }
 
@@ -2273,7 +2278,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr,
         while ((index < htabslots) && (index - chunkstart < USHRT_MAX)
                && hpte_is_dirty(spapr, index)
                && hpte_is_valid(spapr, index)) {
-            CLEAN_HPTE(hpte_get_ptr(spapr, index));
+            hpte_set_clean(spapr, index);
             index++;
             examined++;
         }
@@ -2283,7 +2288,7 @@ static int htab_save_later_pass(QEMUFile *f, SpaprMachineState *spapr,
         while ((index < htabslots) && (index - invalidstart < USHRT_MAX)
                && hpte_is_dirty(spapr, index)
                && !hpte_is_valid(spapr, index)) {
-            CLEAN_HPTE(hpte_get_ptr(spapr, index));
+            hpte_set_clean(spapr, index);
             index++;
             examined++;
         }