target/arm: Convert CPUARMState::eabi to boolean

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230206223502.25122-6-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

linux-user/arm/cpu_loop.c

@@ -356,7 +356,7 @@ void cpu_loop(CPUARMState *env)
             break;
         case EXCP_SWI:
             {
-                env->eabi = 1;
+                env->eabi = true;
                 /* system call */
                 if (env->thumb) {
                     /* Thumb is always EABI style with syscall number in r7 */
@@ -382,7 +382,7 @@ void cpu_loop(CPUARMState *env)
                          * > 0xfffff and are handled below as out-of-range.
                          */
                         n ^= ARM_SYSCALL_BASE;
-                        env->eabi = 0;
+                        env->eabi = false;
                     }
                 }
 

linux-user/user-internals.h

@@ -135,7 +135,7 @@ void print_termios(void *arg);
 #ifdef TARGET_ARM
 static inline int regpairs_aligned(CPUArchState *cpu_env, int num)
 {
-    return cpu_env->eabi == 1;
+    return cpu_env->eabi;
 }
 #elif defined(TARGET_MIPS) && defined(TARGET_ABI_MIPSO32)
 static inline int regpairs_aligned(CPUArchState *cpu_env, int num) { return 1; }

target/arm/cpu.h

@@ -723,7 +723,7 @@ typedef struct CPUArchState {
 
 #if defined(CONFIG_USER_ONLY)
     /* For usermode syscall translation.  */
-    int eabi;
+    bool eabi;
 #endif
 
     struct CPUBreakpoint *cpu_breakpoint[16];