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Add correct stack bias if a 64 bit stack is used 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5113 c046a42c-6fe2-441c-8c8c-71466251a162
master
blueswir1 2008-08-30 09:20:21 +00:00
parent e6afc2f4b9
commit ed23fbd91c
1 changed files with 9 additions and 0 deletions
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9
linux-user/main.c
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@ -758,6 +758,7 @@ void cpu_loop(CPUARMState *env)
#endif
#ifdef TARGET_SPARC
#define SPARC64_STACK_BIAS 2047
//#define DEBUG_WIN
@ -780,6 +781,10 @@ static inline void save_window_offset(CPUSPARCState *env, int cwp1)
abi_ulong sp_ptr;
sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
#ifdef TARGET_SPARC64
if (sp_ptr & 3)
sp_ptr += SPARC64_STACK_BIAS;
#endif
#if defined(DEBUG_WIN)
printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n",
sp_ptr, cwp1);
@ -822,6 +827,10 @@ static void restore_window(CPUSPARCState *env)
/* restore the invalid window */
cwp1 = cpu_cwp_inc(env, env->cwp + 1);
sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
#ifdef TARGET_SPARC64
if (sp_ptr & 3)
sp_ptr += SPARC64_STACK_BIAS;
#endif
#if defined(DEBUG_WIN)
printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n",
sp_ptr, cwp1);