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[PATCH v5 05/11] rules.mak: Add base-arch() rule
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v5 05/11] rules.mak: Add base-arch() rule |
Date: |
Fri, 5 Jun 2020 09:39:47 +0200 |
Add a rule to return the base architecture for a QEMU target.
The current list of TARGET_BASE_ARCH is:
$ git grep TARGET_BASE_ARCH configure
configure:7785:TARGET_BASE_ARCH=""
configure:7795: TARGET_BASE_ARCH=i386
configure:7813: TARGET_BASE_ARCH=arm
configure:7846: TARGET_BASE_ARCH=mips
configure:7854: TARGET_BASE_ARCH=mips
configure:7864: TARGET_BASE_ARCH=openrisc
configure:7871: TARGET_BASE_ARCH=ppc
configure:7879: TARGET_BASE_ARCH=ppc
configure:7887: TARGET_BASE_ARCH=ppc
configure:7894: TARGET_BASE_ARCH=riscv
configure:7900: TARGET_BASE_ARCH=riscv
configure:7920: TARGET_BASE_ARCH=sparc
configure:7925: TARGET_BASE_ARCH=sparc
The rule can be tested calling 'print-base-arch-$TARGET':
$ make \
print-base-arch-openrisc \
print-base-arch-aarch64_be \
print-base-arch-x86_64 \
print-base-arch-mips64el \
print-base-arch-ppc64 \
print-base-arch-riscv64
openrisc=openrisc
aarch64_be=arm
x86_64=i386
mips64el=mips
ppc64=ppc
riscv64=riscv
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
v5:
- risc -> riscv (rth)
- use strequal (rth)
- add microblaze/sh4/xtensa
v4:
- use startwith()
- fix openrisc (rth)
---
rules.mak | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/rules.mak b/rules.mak
index ccc1c49604..907f9aca91 100644
--- a/rules.mak
+++ b/rules.mak
@@ -452,3 +452,38 @@ atomic = $(eval $1: $(call sentinel,$1) ; @:) \
print-%:
@echo '$*=$($*)'
+
+# base-arch
+# Usage: $(call base-arch, target)
+#
+# @target: the target architecture.
+#
+# This macro will return the base architecture for a target.
+#
+# As example, $(call base-arch, aarch64) returns 'arm'.
+base-arch = $(strip \
+ $(if $(call startwith,aarch64,$1),arm,\
+ $(if $(call startwith,arm,$1),arm,\
+ $(if $(call startwith,microblaze,$1),microblaze,\
+ $(if $(call startwith,mips,$1),mips,\
+ $(if $(call startwith,ppc,$1),ppc,\
+ $(if $(call startwith,riscv,$1),riscv,\
+ $(if $(call startwith,sh4,$1),sh4,\
+ $(if $(call startwith,sparc,$1),sparc,\
+ $(if $(call startwith,xtensa,$1),xtensa,\
+ $(if $(call strequal,x86_64,$1),i386,\
+ $1\
+ )\
+ )\
+ )\
+ )\
+ )\
+ )\
+ )\
+ )\
+ )\
+ )\
+ )
+
+print-base-arch-%:
+ @echo '$*=$(call base-arch,$*)'
--
2.21.3
- [PATCH v5 00/11] accel: Allow targets to use Kconfig, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 01/11] MAINTAINERS: Fix KVM path expansion glob, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 02/11] MAINTAINERS: Add an 'overall' entry for accelerators, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 04/11] rules.mak: Add strequal() and startwith() and rules, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 05/11] rules.mak: Add base-arch() rule,
Philippe Mathieu-Daudé <=
- [PATCH v5 06/11] Makefile: Remove dangerous EOL trailing backslash, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 03/11] MAINTAINERS: Add an entry for the HAX accelerator, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 07/11] Makefile: Write MINIKCONF variables as one entry per line, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 08/11] accel/Kconfig: Extract accel selectors into their own config, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 09/11] accel/Kconfig: Add the TCG selector, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 10/11] Makefile: Allow target-specific optional Kconfig, Philippe Mathieu-Daudé, 2020/06/05
- [PATCH v5 11/11] accel/tcg: Add stub for probe_access(), Philippe Mathieu-Daudé, 2020/06/05