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authorPeter Maydell <peter.maydell@linaro.org>2019-05-28 17:38:32 +0100
committerPeter Maydell <peter.maydell@linaro.org>2019-05-28 17:38:32 +0100
commit8c1ecb590497b0349c550607db923972b37f6963 (patch)
treeb7f45cd1b4275664cb311170acef9904cc8c24ab /linux-user
parent4a1d38c44089f4e7bbbc924a830f30ca0119a7dd (diff)
parent70ff5b07fcdd378180ad2d5cc0b0d5e67e7ef325 (diff)
Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-next-280519-2' into staging
Various testing updates - semihosting re-factor (used in system tests) - aarch64 and alpha system tests - editorconfig tweak for .S - some docker image updates - iotests clean-up (without make check inclusion) # gpg: Signature made Tue 28 May 2019 17:26:34 BST # gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44 # gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full] # Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44 * remotes/stsquad/tags/pull-testing-next-280519-2: (27 commits) tests/qemu-iotests: re-format output to for make check-block tests/qemu-iotests/group: Re-use the "auto" group for tests that can always run Makefile.target: support per-target coverage reports Makefile: include per-target build directories in coverage report Makefile: fix coverage-report reference to BUILD_DIR .travis.yml: enable aarch64-softmmu and alpha-softmmu tcg tests tests/tcg/alpha: add system boot.S tests/tcg/multiarch: expand system memory test to cover more tests/tcg/minilib: support %c format char tests/tcg/multiarch: move the system memory test tests/tcg/aarch64: add system boot.S editorconfig: add settings for .s/.S files tests/tcg/multiarch: add hello world system test tests/tcg/multiarch: add support for multiarch system tests tests/docker: Test more components on the Fedora default image tests/docker: add ubuntu 18.04 MAINTAINERS: update for semihostings new home target/mips: convert UHI_plog to use common semihosting code target/mips: only build mips-semi for softmmu target/arm: correct return values for WRITE/READ in arm-semi ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/Makefile.objs2
-rw-r--r--linux-user/arm/semihost.c24
2 files changed, 26 insertions, 0 deletions
diff --git a/linux-user/Makefile.objs b/linux-user/Makefile.objs
index 769b8d8336..285c5dfa17 100644
--- a/linux-user/Makefile.objs
+++ b/linux-user/Makefile.objs
@@ -6,4 +6,6 @@ obj-y = main.o syscall.o strace.o mmap.o signal.o \
obj-$(TARGET_HAS_BFLT) += flatload.o
obj-$(TARGET_I386) += vm86.o
obj-$(TARGET_ARM) += arm/nwfpe/
+obj-$(TARGET_ARM) += arm/semihost.o
+obj-$(TARGET_AARCH64) += arm/semihost.o
obj-$(TARGET_M68K) += m68k-sim.o
diff --git a/linux-user/arm/semihost.c b/linux-user/arm/semihost.c
new file mode 100644
index 0000000000..9554102a85
--- /dev/null
+++ b/linux-user/arm/semihost.c
@@ -0,0 +1,24 @@
+/*
+ * ARM Semihosting Console Support
+ *
+ * Copyright (c) 2019 Linaro Ltd
+ *
+ * Currently ARM is unique in having support for semihosting support
+ * in linux-user. So for now we implement the common console API but
+ * just for arm linux-user.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "hw/semihosting/console.h"
+#include "qemu.h"
+
+int qemu_semihosting_console_out(CPUArchState *env, target_ulong addr, int len)
+{
+ void *s = lock_user_string(addr);
+ len = write(STDERR_FILENO, s, len ? len : strlen(s));
+ unlock_user(s, addr, 0);
+ return len;
+}