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sparc64: trace pstate and global register set changes 

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Igor V. Kovalenko 2010-01-07 23:28:00 +03:00 committed by Blue Swirl
parent d780a466db
commit 7e8695eda3
1 changed files with 20 additions and 0 deletions
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20
target-sparc/op_helper.c
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@ -11,6 +11,7 @@
//#define DEBUG_UNASSIGNED
//#define DEBUG_ASI
//#define DEBUG_PCALL
//#define DEBUG_PSTATE
#ifdef DEBUG_MMU
#define DPRINTF_MMU(fmt, ...) \
@ -31,6 +32,13 @@
do { printf("ASI: " fmt , ## __VA_ARGS__); } while (0)
#endif
#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 TARGET_SPARC64
#ifndef TARGET_ABI32
#define AM_CHECK(env1) ((env1)->pstate & PS_AM)
@ -3244,6 +3252,12 @@ static inline uint64_t *get_gregset(uint32_t pstate)
{
switch (pstate) {
default:
DPRINTF_PSTATE("ERROR in get_gregset: active pstate bits=%x%s%s%s\n",
pstate,
(pstate & PS_IG) ? " IG" : "",
(pstate & PS_MG) ? " MG" : "",
(pstate & PS_AG) ? " AG" : "");
/* pass through to normal set of global registers */
case 0:
return env->bgregs;
case PS_AG:
@ -3269,12 +3283,18 @@ static inline void change_pstate(uint32_t new_pstate)
new_pstate_regs = new_pstate & 0xc01;
if (new_pstate_regs != pstate_regs) {
DPRINTF_PSTATE("change_pstate: switching regs old=%x new=%x\n",
pstate_regs, new_pstate_regs);
// Switch global register bank
src = get_gregset(new_pstate_regs);
dst = get_gregset(pstate_regs);
memcpy32(dst, env->gregs);
memcpy32(env->gregs, src);
}
else {
DPRINTF_PSTATE("change_pstate: regs new=%x (unchanged)\n",
new_pstate_regs);
}
env->pstate = new_pstate;
}