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[PATCH v2 04/30] bsd-user/arm/target_arch_cpu.c: Target specific TLS rou
From: |
Warner Losh |
Subject: |
[PATCH v2 04/30] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines |
Date: |
Tue, 2 Nov 2021 16:52:22 -0600 |
Target specific TLS routines to get and set the TLS values.
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/arm/target_arch.h | 28 ++++++++++++++++++++++++
bsd-user/arm/target_arch_cpu.c | 39 ++++++++++++++++++++++++++++++++++
2 files changed, 67 insertions(+)
create mode 100644 bsd-user/arm/target_arch.h
create mode 100644 bsd-user/arm/target_arch_cpu.c
diff --git a/bsd-user/arm/target_arch.h b/bsd-user/arm/target_arch.h
new file mode 100644
index 0000000000..93cfaea098
--- /dev/null
+++ b/bsd-user/arm/target_arch.h
@@ -0,0 +1,28 @@
+/*
+ * ARM 32-bit specific prototypes for bsd-user
+ *
+ * Copyright (c) 2013 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TARGET_ARCH_H_
+#define _TARGET_ARCH_H_
+
+#include "qemu.h"
+
+void target_cpu_set_tls(CPUARMState *env, target_ulong newtls);
+target_ulong target_cpu_get_tls(CPUARMState *env);
+
+#endif /* !_TARGET_ARCH_H_ */
diff --git a/bsd-user/arm/target_arch_cpu.c b/bsd-user/arm/target_arch_cpu.c
new file mode 100644
index 0000000000..02bf9149d5
--- /dev/null
+++ b/bsd-user/arm/target_arch_cpu.c
@@ -0,0 +1,39 @@
+/*
+ * arm cpu related code
+ *
+ * Copyright (c) 2013 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "target_arch.h"
+
+void target_cpu_set_tls(CPUARMState *env, target_ulong newtls)
+{
+ if (access_secure_reg(env)) {
+ env->cp15.tpidrurw_s = newtls;
+ env->cp15.tpidruro_s = newtls;
+ return;
+ }
+
+ env->cp15.tpidr_el[0] = newtls;
+ env->cp15.tpidrro_el[0] = newtls;
+}
+
+target_ulong target_cpu_get_tls(CPUARMState *env)
+{
+ if (access_secure_reg(env)) {
+ return env->cp15.tpidruro_s;
+ }
+ return env->cp15.tpidrro_el[0];
+}
--
2.33.0
- [PATCH v2 00/30] bsd-user: arm (32-bit) support, Warner Losh, 2021/11/02
- [PATCH v2 01/30] bsd-user: Add stubs for new signal routines, Warner Losh, 2021/11/02
- [PATCH v2 02/30] bsd-user/arm/target_arch_sysarch.h: Use consistent include guards, Warner Losh, 2021/11/02
- [PATCH v2 03/30] bsd-user/arm/target_syscall.h: Add copyright and update name, Warner Losh, 2021/11/02
- [PATCH v2 04/30] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines,
Warner Losh <=
- [PATCH v2 05/30] bsd-user/arm/target_arch_cpu.h: CPU Loop definitions, Warner Losh, 2021/11/02
- [PATCH v2 06/30] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs, Warner Losh, 2021/11/02
- [PATCH v2 11/30] bsd-user/arm/target_arch_reg.h: Implement core dump register copying, Warner Losh, 2021/11/02
- [PATCH v2 07/30] bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation, Warner Losh, 2021/11/02
- [PATCH v2 09/30] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions, Warner Losh, 2021/11/02
- [PATCH v2 08/30] bsd-user/arm/target_arch_cpu.h: Implement trivial EXCP exceptions, Warner Losh, 2021/11/02
- [PATCH v2 10/30] bsd-user/arm/target_arch_cpu.h: Implement system call dispatch, Warner Losh, 2021/11/02