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authorJ. Neuschäfer <j.neuschaefer@gmx.net>2025-06-13 17:59:32 +0200
committerPeter Maydell <peter.maydell@linaro.org>2025-06-16 11:26:25 +0100
commit5ad2b1f443a96444cf3e7a2fbe17aae696201012 (patch)
tree621f6f24ee39625f53319db90c49daeffe71dc50 /linux-user/arm/cpu_loop.c
parentcd38e638c43e4d5d3fd65dd4529c2e6153c9c408 (diff)
downloadfocaccia-qemu-5ad2b1f443a96444cf3e7a2fbe17aae696201012.tar.gz
focaccia-qemu-5ad2b1f443a96444cf3e7a2fbe17aae696201012.zip
linux-user/arm: Fix return value of SYS_cacheflush
Although the emulated cacheflush syscall does nothing, it still needs to
return zero to indicate success.

Cc: qemu-stable@nongnu.org
Signed-off-by: J. Neuschäfer <j.neuschaefer@gmx.net>
Message-id: 20250613-cache-v1-1-ee9f4a9ba81b@gmx.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'linux-user/arm/cpu_loop.c')
-rw-r--r--linux-user/arm/cpu_loop.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/linux-user/arm/cpu_loop.c b/linux-user/arm/cpu_loop.c
index e8417d0406..33f63951a9 100644
--- a/linux-user/arm/cpu_loop.c
+++ b/linux-user/arm/cpu_loop.c
@@ -363,6 +363,7 @@ void cpu_loop(CPUARMState *env)
                     switch (n) {
                     case ARM_NR_cacheflush:
                         /* nop */
+                        env->regs[0] = 0;
                         break;
                     case ARM_NR_set_tls:
                         cpu_set_tls(env, env->regs[0]);