[v2,05/30] bsd-user/arm/target_arch_cpu.h: CPU Loop definitions

Commit Message

Warner Losh Nov. 2, 2021, 10:52 p.m. UTC

target_arch_cpu.h is for CPU loop definitions. Create the file and
define target_cpu_init and target_cpu_reset for arm.

Signed-off-by: Olivier Houchard <[e-mail]>
Signed-off-by: Stacey Son <[e-mail]>
Signed-off-by: Warner Losh <[e-mail]>
Reviewed-by: Kyle Evans <[e-mail]>
---
 bsd-user/arm/target_arch_cpu.h | 43 ++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 bsd-user/arm/target_arch_cpu.h

Comments

Richard Henderson Nov. 3, 2021, 3:09 a.m. UTC | #1

On 11/2/21 6:52 PM, Warner Losh wrote:
> target_arch_cpu.h is for CPU loop definitions. Create the file and
> define target_cpu_init and target_cpu_reset for arm.
> 
> Signed-off-by: Olivier Houchard<[e-mail]>
> Signed-off-by: Stacey Son<[e-mail]>
> Signed-off-by: Warner Losh<[e-mail]>
> Reviewed-by: Kyle Evans<[e-mail]>
> ---
>   bsd-user/arm/target_arch_cpu.h | 43 ++++++++++++++++++++++++++++++++++
>   1 file changed, 43 insertions(+)
>   create mode 100644 bsd-user/arm/target_arch_cpu.h

Reviewed-by: Richard Henderson <[e-mail]>

r~

Patch

diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
new file mode 100644
index 0000000000..66215684d6
--- /dev/null
+++ b/bsd-user/arm/target_arch_cpu.h
@@ -0,0 +1,43 @@ 
+/*
+ *  arm cpu init and loop
+ *
+ *  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_CPU_H_
+#define _TARGET_ARCH_CPU_H_
+
+#include "target_arch.h"
+
+#define TARGET_DEFAULT_CPU_MODEL "any"
+
+static inline void target_cpu_init(CPUARMState *env,
+        struct target_pt_regs *regs)
+{
+    int i;
+
+    cpsr_write(env, regs->uregs[16], CPSR_USER | CPSR_EXEC,
+               CPSRWriteByInstr);
+    for (i = 0; i < 16; i++) {
+        env->regs[i] = regs->uregs[i];
+    }
+}
+
+static inline void target_cpu_reset(CPUArchState *cpu)
+{
+}
+
+#endif /* !_TARGET_ARCH_CPU_H */