diff options
Diffstat (limited to 'target-sparc/int64_helper.c')
| -rw-r--r-- | target-sparc/int64_helper.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target-sparc/int64_helper.c b/target-sparc/int64_helper.c index 2bb1910ed9..c9c5e0e856 100644 --- a/target-sparc/int64_helper.c +++ b/target-sparc/int64_helper.c @@ -18,8 +18,17 @@ */ #include "cpu.h" +#include "helper.h" //#define DEBUG_PCALL +//#define DEBUG_PSTATE + +#ifdef DEBUG_PSTATE +#define DPRINTF_PSTATE(fmt, ...) \ + do { printf("PSTATE: " fmt , ## __VA_ARGS__); } while (0) +#else +#define DPRINTF_PSTATE(fmt, ...) do {} while (0) +#endif #ifdef DEBUG_PCALL static const char * const excp_names[0x80] = { @@ -162,3 +171,34 @@ trap_state *cpu_tsptr(CPUState* env) { return &env->ts[env->tl & MAXTL_MASK]; } + +static void do_modify_softint(CPUState *env, const char *operation, + uint32_t value) +{ + if (env->softint != value) { + env->softint = value; + DPRINTF_PSTATE(": %s new %08x\n", operation, env->softint); +#if !defined(CONFIG_USER_ONLY) + if (cpu_interrupts_enabled(env)) { + cpu_check_irqs(env); + } +#endif + } +} + +void helper_set_softint(CPUState *env, uint64_t value) +{ + do_modify_softint(env, "helper_set_softint", + env->softint | (uint32_t)value); +} + +void helper_clear_softint(CPUState *env, uint64_t value) +{ + do_modify_softint(env, "helper_clear_softint", + env->softint & (uint32_t)~value); +} + +void helper_write_softint(CPUState *env, uint64_t value) +{ + do_modify_softint(env, "helper_write_softint", (uint32_t)value); +} |