mirror of
https://github.com/qemu/qemu.git
synced 2024-11-28 22:33:36 +08:00
5210977a85
On Sun, Jul 12, 2009 at 12:09 PM, Blue Swirl<blauwirbel@gmail.com> wrote: > On 7/12/09, Igor Kovalenko <igor.v.kovalenko@gmail.com> wrote: >> Good trap handling is required to process interrupts. >> This patch fixes the following: >> >> - sparc64 has no wim register >> - sparc64 has no psret register, use IE bit of pstate >> extract IE checking code to cpu_interrupts_enabled >> - alternate globals are not available if cpu has GL feature >> in this case bit AG of pstate is constant zero >> - write to pstate must actually write pstate >> even if cpu has GL feature >> >> Also timer interrupt is handled using do_interrupt. > > A bit too much for one patch. Please also remove the code instead of > commenting out. I now excluded timer interrupt related part. To my mind other changes are essentially tied together. > PUT_PSR for Sparc64 needs CC_OP = CC_OP_FLAGS; like Sparc32. Fixed, please find attached the updated version. -- Kind regards, Igor V. Kovalenko
58 lines
977 B
C
58 lines
977 B
C
#ifndef EXEC_SPARC_H
|
|
#define EXEC_SPARC_H 1
|
|
#include "config.h"
|
|
#include "dyngen-exec.h"
|
|
|
|
register struct CPUSPARCState *env asm(AREG0);
|
|
|
|
#define DT0 (env->dt0)
|
|
#define DT1 (env->dt1)
|
|
#define QT0 (env->qt0)
|
|
#define QT1 (env->qt1)
|
|
|
|
#include "cpu.h"
|
|
#include "exec-all.h"
|
|
|
|
static inline void env_to_regs(void)
|
|
{
|
|
}
|
|
|
|
static inline void regs_to_env(void)
|
|
{
|
|
}
|
|
|
|
/* op_helper.c */
|
|
void do_interrupt(CPUState *env);
|
|
|
|
static inline int cpu_interrupts_enabled(CPUState *env1)
|
|
{
|
|
#if !defined (TARGET_SPARC64)
|
|
if (env1->psret != 0)
|
|
return 1;
|
|
#else
|
|
if (env1->pstate & PS_IE)
|
|
return 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int cpu_has_work(CPUState *env1)
|
|
{
|
|
return (env1->interrupt_request & CPU_INTERRUPT_HARD) &&
|
|
cpu_interrupts_enabled(env1);
|
|
}
|
|
|
|
|
|
static inline int cpu_halted(CPUState *env1) {
|
|
if (!env1->halted)
|
|
return 0;
|
|
if (cpu_has_work(env1)) {
|
|
env1->halted = 0;
|
|
return 0;
|
|
}
|
|
return EXCP_HALTED;
|
|
}
|
|
|
|
#endif
|