linux-kernel - [RFC kvm-unit-tests 21/27] arm: Add build steps for QCBOR library

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Message-ID: <20230127114108.10025-22-joey.gouly@arm.com>
Date:   Fri, 27 Jan 2023 11:41:02 +0000
From:   Joey Gouly <joey.gouly@....com>
To:     Andrew Jones <andrew.jones@...ux.dev>, <kvmarm@...ts.linux.dev>,
        <kvm@...r.kernel.org>
CC:     <joey.gouly@....com>, Alexandru Elisei <alexandru.elisei@....com>,
        Christoffer Dall <christoffer.dall@....com>,
        Fuad Tabba <tabba@...gle.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Joey Gouly <Joey.Gouly@....com>, Marc Zyngier <maz@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Quentin Perret <qperret@...gle.com>,
        Steven Price <steven.price@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        "Thomas Huth" <thuth@...hat.com>, Will Deacon <will@...nel.org>,
        Zenghui Yu <yuzenghui@...wei.com>,
        <linux-coco@...ts.linux.dev>, <kvmarm@...ts.cs.columbia.edu>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [RFC kvm-unit-tests 21/27] arm: Add build steps for QCBOR library

From: Suzuki K Poulose <suzuki.poulose@....com>

The QCBOR library will be used for Realm attestation.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
Signed-off-by: Joey Gouly <joey.gouly@....com>
---
 arm/Makefile.arm64 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arm/Makefile.arm64 b/arm/Makefile.arm64
index 8448af36..8d450de9 100644
--- a/arm/Makefile.arm64
+++ b/arm/Makefile.arm64
@@ -9,6 +9,8 @@ ldarch = elf64-littleaarch64
 arch_LDFLAGS = -pie -n
 arch_LDFLAGS += -z notext
 CFLAGS += -mstrict-align
+CFLAGS += -I $(SRCDIR)/lib/qcbor/inc
+CFLAGS += -DQCBOR_DISABLE_FLOAT_HW_USE -DQCBOR_DISABLE_PREFERRED_FLOAT -DUSEFULBUF_DISABLE_ALL_FLOAT
 
 mno_outline_atomics := $(call cc-option, -mno-outline-atomics, "")
 CFLAGS += $(mno_outline_atomics)
@@ -25,6 +27,7 @@ cflatobjs += lib/arm64/processor.o
 cflatobjs += lib/arm64/spinlock.o
 cflatobjs += lib/arm64/gic-v3-its.o lib/arm64/gic-v3-its-cmd.o
 cflatobjs += lib/arm64/rsi.o
+cflatobjs += lib/qcbor/src/qcbor_decode.o lib/qcbor/src/UsefulBuf.o
 
 OBJDIRS += lib/arm64
 
@@ -40,4 +43,5 @@ tests += $(TEST_DIR)/realm-sea.flat
 include $(SRCDIR)/$(TEST_DIR)/Makefile.common
 
 arch_clean: arm_clean
-	$(RM) lib/arm64/.*.d
+	$(RM) lib/arm64/.*.d		\
+	      lib/qcbor/src/.*.d
-- 
2.17.1