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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, "Michael Rolnik" <mrolnik@gmail.com>,
	"Halil Pasic" <pasic@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"Frederic Konrad" <konrad.frederic@yahoo.fr>,
	"Artyom Tarasenko" <atar4qemu@gmail.com>,
	"Matthew Rosato" <mjrosato@linux.ibm.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"David Hildenbrand" <david@redhat.com>,
	"Peter Xu" <peterx@redhat.com>,
	"Ilya Leoshkevich" <iii@linux.ibm.com>,
	"Song Gao" <gaosong@loongson.cn>,
	"Thomas Huth" <thuth@redhat.com>,
	"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
	"Eduardo Habkost" <eduardo@habkost.net>,
	qemu-s390x@nongnu.org, "Laurent Vivier" <laurent@vivier.eu>,
	"Eric Farman" <farman@linux.ibm.com>,
	"Clément Chigot" <chigot@adacore.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Thomas Huth" <huth@tuxfamily.org>,
	"Bastian Koppelmann" <kbastian@mail.uni-paderborn.de>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Pierrick Bouvier" <pierrick.bouvier@linaro.org>
Subject: [PATCH 08/16] hw/ppc/e500: Use explicit big-endian LD/ST API
Date: Fri,  4 Oct 2024 01:42:03 +0200	[thread overview]
Message-ID: <20241003234211.53644-9-philmd@linaro.org> (raw)
In-Reply-To: <20241003234211.53644-1-philmd@linaro.org>

The 32-bit PPC architecture uses big endianness. Directly use
the big-endian LD/ST API for the E500 hardware.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/ppc/ppce500_spin.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/hw/ppc/ppce500_spin.c b/hw/ppc/ppce500_spin.c
index e08739a443d..8e0ef9467e4 100644
--- a/hw/ppc/ppce500_spin.c
+++ b/hw/ppc/ppce500_spin.c
@@ -64,9 +64,9 @@ static void spin_reset(DeviceState *dev)
     for (i = 0; i < MAX_CPUS; i++) {
         SpinInfo *info = &s->spin[i];
 
-        stl_p(&info->pir, i);
-        stq_p(&info->r3, i);
-        stq_p(&info->addr, 1);
+        stl_be_p(&info->pir, i);
+        stq_be_p(&info->r3, i);
+        stq_be_p(&info->addr, 1);
     }
 }
 
@@ -96,9 +96,9 @@ static void spin_kick(CPUState *cs, run_on_cpu_data data)
     hwaddr map_start;
 
     cpu_synchronize_state(cs);
-    stl_p(&curspin->pir, env->spr[SPR_BOOKE_PIR]);
-    env->nip = ldq_p(&curspin->addr) & (map_size - 1);
-    env->gpr[3] = ldq_p(&curspin->r3);
+    stl_be_p(&curspin->pir, env->spr[SPR_BOOKE_PIR]);
+    env->nip = ldq_be_p(&curspin->addr) & (map_size - 1);
+    env->gpr[3] = ldq_be_p(&curspin->r3);
     env->gpr[4] = 0;
     env->gpr[5] = 0;
     env->gpr[6] = 0;
@@ -106,7 +106,7 @@ static void spin_kick(CPUState *cs, run_on_cpu_data data)
     env->gpr[8] = 0;
     env->gpr[9] = 0;
 
-    map_start = ldq_p(&curspin->addr) & ~(map_size - 1);
+    map_start = ldq_be_p(&curspin->addr) & ~(map_size - 1);
     mmubooke_create_initial_mapping(env, 0, map_start, map_size);
 
     cs->halted = 0;
@@ -141,14 +141,14 @@ static void spin_write(void *opaque, hwaddr addr, uint64_t value,
         stb_p(curspin_p, value);
         break;
     case 2:
-        stw_p(curspin_p, value);
+        stw_be_p(curspin_p, value);
         break;
     case 4:
-        stl_p(curspin_p, value);
+        stl_be_p(curspin_p, value);
         break;
     }
 
-    if (!(ldq_p(&curspin->addr) & 1)) {
+    if (!(ldq_be_p(&curspin->addr) & 1)) {
         /* run CPU */
         run_on_cpu(cpu, spin_kick, RUN_ON_CPU_HOST_PTR(curspin));
     }
@@ -163,9 +163,9 @@ static uint64_t spin_read(void *opaque, hwaddr addr, unsigned len)
     case 1:
         return ldub_p(spin_p);
     case 2:
-        return lduw_p(spin_p);
+        return lduw_be_p(spin_p);
     case 4:
-        return ldl_p(spin_p);
+        return ldl_be_p(spin_p);
     default:
         hw_error("ppce500: unexpected %s with len = %u", __func__, len);
     }
-- 
2.45.2



  parent reply	other threads:[~2024-10-03 23:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-03 23:41 [PATCH 00/16] misc: Use explicit endian LD/ST API Philippe Mathieu-Daudé
2024-10-03 23:41 ` [PATCH 01/16] qemu/bswap: Undefine CPU_CONVERT() once done Philippe Mathieu-Daudé
2024-10-07  5:50   ` Thomas Huth
2024-10-03 23:41 ` [PATCH 02/16] exec/memop: Remove unused memop_big_endian() helper Philippe Mathieu-Daudé
2024-10-07  5:51   ` Thomas Huth
2024-10-03 23:41 ` [PATCH 03/16] linux-user/i386: Use explicit little-endian LD/ST API Philippe Mathieu-Daudé
2024-10-07  5:52   ` Thomas Huth
2024-10-03 23:41 ` [PATCH 04/16] hw/i386: " Philippe Mathieu-Daudé
2024-10-04  8:41   ` Philippe Mathieu-Daudé
2024-10-03 23:42 ` [PATCH 05/16] target/i386: " Philippe Mathieu-Daudé
2024-10-03 23:42 ` [PATCH 06/16] hw/m68k: Use explicit big-endian " Philippe Mathieu-Daudé
2024-10-04 16:35   ` Thomas Huth
2024-10-03 23:42 ` [PATCH 07/16] target/m68k: " Philippe Mathieu-Daudé
2024-10-04 16:36   ` Thomas Huth
2024-10-03 23:42 ` Philippe Mathieu-Daudé [this message]
2024-10-03 23:42 ` [PATCH 09/16] hw/s390x: " Philippe Mathieu-Daudé
2024-10-07  5:48   ` Thomas Huth
2024-10-03 23:42 ` [PATCH 10/16] target/s390x: " Philippe Mathieu-Daudé
2024-10-07  5:49   ` Thomas Huth
2024-10-03 23:42 ` [PATCH 11/16] hw/sparc: " Philippe Mathieu-Daudé
2024-10-04 17:31   ` Mark Cave-Ayland
2024-10-07  7:03   ` Clément Chigot
2024-10-03 23:42 ` [PATCH 12/16] target/sparc: " Philippe Mathieu-Daudé
2024-10-04 17:32   ` Mark Cave-Ayland

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