[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[XEN v2 05/12] xen/Arm: GICv3: Fix GICR_{PENDBASER, PROPBASER} emulation on 32-bit host


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Ayan Kumar Halder <ayankuma@xxxxxxx>
  • Date: Mon, 31 Oct 2022 15:13:19 +0000
  • Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.xenproject.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=T2SYspWuKTsvpT2QlqYFUE+9DLCWCRfTo28SXIdKHbk=; b=CTpQiRNk0waZEB/63VlNoupnlzMlRYD2ktfz+K7F+JCvnJ0vMGZ23pyB657v74/Qi7oDx8rFB0Vqc5GrCz4W1u8xT+LPAGc+4QgLu/1F9OaLWTX3Os9oitjMsZ4v7G6+YVE2LwfbOFm//MGdeVq1MgdPmOJ2JJhXJUfMI8x9BUcAr4X/ITxdT9FnhRVF0e35FCPXYQz/g36V0PT+hmAVvBedhIW1UH9naa6W09Ktf5BRYVdIiRqaV/WQxTbs70FoiM6+JWx+n1h6BVCQW9hCZ9QDAh2yfrD1OW1xS9TFPgzGvgcjpQkGPa9uYNnjCNMjLigJbfQKOyLDA6QxyqxFKg==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YWYDt+Z0+ma2pcDsHZ8sruvDwsBN81x9WyPCYEHm/TT/hrWMbPzOgWkfma1mHh+TKMcJPRU+4RDLtMZ2ojiWYoSAB/Q5c2y2798NkncAVkJj9RDmM5DxyaVl7+sVlgIY81x2UFFp6TNZHGLnLi/u6hO87IpEsdsEczeggwBj+MojaAWL5M9nGFq9ADPQDZznNPz5PX+cGHNDqg/VewbcId046Brq8ED5KFweEfPACaO8TpdmxHkloLQmIoh4ceKkJWL30KPxV9TE155pO5zxCLSnxxuFppSeglvNdfAE8ukak56V5u+DKKyooxWtElHp00fbBgxmpQSqWJ2Lrj04mQ==
  • Cc: <sstabellini@xxxxxxxxxx>, <stefanos@xxxxxxxxxx>, <julien@xxxxxxx>, <Volodymyr_Babchuk@xxxxxxxx>, <bertrand.marquis@xxxxxxx>, <burzalodowa@xxxxxxxxx>, Ayan Kumar Halder <ayankuma@xxxxxxx>
  • Delivery-date: Mon, 31 Oct 2022 15:14:16 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

'unsigned long long' is defined as 64 bit across both aarch32 and aarch64.
So, use 'ULL' for 64 bit word instead of UL which is 32 bits for aarch32.
GICR_PENDBASER and GICR_PROPBASER both are 64 bit registers.

Signed-off-by: Ayan Kumar Halder <ayankuma@xxxxxxx>
---

Changes from -
v1 - 1. Extract the bug fix for incorrect bit clearing (GICR_PENDBASER_PTZ)
into a separate patch fix.
https://patchwork.kernel.org/project/xen-devel/patch/20221027185555.46125-1-ayankuma@xxxxxxx/

 xen/arch/arm/include/asm/gic_v3_defs.h | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/xen/arch/arm/include/asm/gic_v3_defs.h 
b/xen/arch/arm/include/asm/gic_v3_defs.h
index 728e28d5e5..48a1bc401e 100644
--- a/xen/arch/arm/include/asm/gic_v3_defs.h
+++ b/xen/arch/arm/include/asm/gic_v3_defs.h
@@ -134,15 +134,15 @@
 
 #define GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT         56
 #define GICR_PROPBASER_OUTER_CACHEABILITY_MASK               \
-        (7UL << GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT)
+        (7ULL << GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT)
 #define GICR_PROPBASER_SHAREABILITY_SHIFT               10
 #define GICR_PROPBASER_SHAREABILITY_MASK                     \
-        (3UL << GICR_PROPBASER_SHAREABILITY_SHIFT)
+        (3ULL << GICR_PROPBASER_SHAREABILITY_SHIFT)
 #define GICR_PROPBASER_INNER_CACHEABILITY_SHIFT         7
 #define GICR_PROPBASER_INNER_CACHEABILITY_MASK               \
-        (7UL << GICR_PROPBASER_INNER_CACHEABILITY_SHIFT)
+        (7ULL << GICR_PROPBASER_INNER_CACHEABILITY_SHIFT)
 #define GICR_PROPBASER_RES0_MASK                             \
-        (GENMASK(63, 59) | GENMASK(55, 52) | GENMASK(6, 5))
+        (GENMASK_ULL(63, 59) | GENMASK_ULL(55, 52) | GENMASK_ULL(6, 5))
 
 #define GICR_PENDBASER_SHAREABILITY_SHIFT               10
 #define GICR_PENDBASER_INNER_CACHEABILITY_SHIFT         7
@@ -152,11 +152,11 @@
 #define GICR_PENDBASER_INNER_CACHEABILITY_MASK               \
        (7UL << GICR_PENDBASER_INNER_CACHEABILITY_SHIFT)
 #define GICR_PENDBASER_OUTER_CACHEABILITY_MASK               \
-        (7UL << GICR_PENDBASER_OUTER_CACHEABILITY_SHIFT)
-#define GICR_PENDBASER_PTZ                              BIT(62, UL)
+        (7ULL << GICR_PENDBASER_OUTER_CACHEABILITY_SHIFT)
+#define GICR_PENDBASER_PTZ                              BIT(62, ULL)
 #define GICR_PENDBASER_RES0_MASK                             \
-        (BIT(63, UL) | GENMASK(61, 59) | GENMASK(55, 52) |  \
-         GENMASK(15, 12) | GENMASK(6, 0))
+        (BIT(63, ULL) | GENMASK_ULL(61, 59) | GENMASK_ULL(55, 52) |  \
+         GENMASK_ULL(15, 12) | GENMASK_ULL(6, 0))
 
 #define DEFAULT_PMR_VALUE            0xff
 
-- 
2.17.1




 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.