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linux-user: Add ARM get_tls syscall support 

Co-Authored-By: Mickaël Guêné <mickael.guene@st.com>
Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180416091845.7315-1-christophe.lyon@st.com>
[lv: moved the change to linux-user/arm/cpu_loop.c]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Christophe Lyon 2018-04-16 11:18:25 +02:00 committed by Laurent Vivier
parent de6e89b81f
commit 62aaa51464
2 changed files with 4 additions and 0 deletions
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3
linux-user/arm/cpu_loop.c
View File

@ -347,6 +347,9 @@ void cpu_loop(CPUARMState *env)
case ARM_NR_breakpoint:
env->regs[15] -= env->thumb ? 2 : 4;
goto excp_debug;
case ARM_NR_get_tls:
env->regs[0] = cpu_get_tls(env);
break;
default:
gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
n);

1
linux-user/arm/target_syscall.h
View File

@ -16,6 +16,7 @@ struct target_pt_regs {
#define ARM_NR_breakpoint (ARM_NR_BASE + 1)
#define ARM_NR_cacheflush (ARM_NR_BASE + 2)
#define ARM_NR_set_tls (ARM_NR_BASE + 5)
#define ARM_NR_get_tls (ARM_NR_BASE + 6)
#define ARM_NR_semihosting 0x123456
#define ARM_NR_thumb_semihosting 0xAB