X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=target-m68k%2Fop_helper.c;h=bbbfd7f130c14d1e093053cf92192fd29c6a285d;hb=30c367ed446b6ea53245589a5cf373578ac075d7;hp=bc8c1f02c63f5fe9f61610a5b44aa558c90c89b9;hpb=46a5801d0cb5f5ed01a4d31c0e7cc581237ed5ce;p=qemu.git diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c index bc8c1f02c..bbbfd7f13 100644 --- a/target-m68k/op_helper.c +++ b/target-m68k/op_helper.c @@ -17,17 +17,19 @@ * License along with this library; if not, see . */ #include "cpu.h" -#include "dyngen-exec.h" -#include "helpers.h" +#include "helper.h" #if defined(CONFIG_USER_ONLY) -void do_interrupt(CPUM68KState *env1) +void m68k_cpu_do_interrupt(CPUState *cs) { - env1->exception_index = -1; + M68kCPU *cpu = M68K_CPU(cs); + CPUM68KState *env = &cpu->env; + + env->exception_index = -1; } -void do_interrupt_m68k_hardirq(CPUM68KState *env1) +void do_interrupt_m68k_hardirq(CPUM68KState *env) { } @@ -35,69 +37,57 @@ void do_interrupt_m68k_hardirq(CPUM68KState *env1) extern int semihosting_enabled; -#include "softmmu_exec.h" +#include "exec/softmmu_exec.h" #define MMUSUFFIX _mmu #define SHIFT 0 -#include "softmmu_template.h" +#include "exec/softmmu_template.h" #define SHIFT 1 -#include "softmmu_template.h" +#include "exec/softmmu_template.h" #define SHIFT 2 -#include "softmmu_template.h" +#include "exec/softmmu_template.h" #define SHIFT 3 -#include "softmmu_template.h" +#include "exec/softmmu_template.h" /* Try to fill the TLB and return an exception if error. If retaddr is NULL, it means that the function was called in C code (i.e. not from generated code or from helper.c) */ -/* XXX: fix it to restore all registers */ -void tlb_fill(CPUM68KState *env1, target_ulong addr, int is_write, int mmu_idx, - void *retaddr) +void tlb_fill(CPUM68KState *env, target_ulong addr, int is_write, int mmu_idx, + uintptr_t retaddr) { - TranslationBlock *tb; - CPUM68KState *saved_env; - unsigned long pc; int ret; - saved_env = env; - env = env1; ret = cpu_m68k_handle_mmu_fault(env, addr, is_write, mmu_idx); if (unlikely(ret)) { if (retaddr) { /* now we have a real cpu fault */ - pc = (unsigned long)retaddr; - tb = tb_find_pc(pc); - if (tb) { - /* the PC is inside the translated code. It means that we have - a virtual CPU fault */ - cpu_restore_state(tb, env, pc); - } + cpu_restore_state(env, retaddr); } cpu_loop_exit(env); } - env = saved_env; } -static void do_rte(void) +static void do_rte(CPUM68KState *env) { uint32_t sp; uint32_t fmt; sp = env->aregs[7]; - fmt = ldl_kernel(sp); - env->pc = ldl_kernel(sp + 4); + fmt = cpu_ldl_kernel(env, sp); + env->pc = cpu_ldl_kernel(env, sp + 4); sp |= (fmt >> 28) & 3; env->sr = fmt & 0xffff; m68k_switch_sp(env); env->aregs[7] = sp + 8; } -static void do_interrupt_all(int is_hw) +static void do_interrupt_all(CPUM68KState *env, int is_hw) { + CPUState *cs; uint32_t sp; uint32_t fmt; uint32_t retaddr; @@ -110,19 +100,20 @@ static void do_interrupt_all(int is_hw) switch (env->exception_index) { case EXCP_RTE: /* Return from an exception. */ - do_rte(); + do_rte(env); return; case EXCP_HALT_INSN: if (semihosting_enabled && (env->sr & SR_S) != 0 && (env->pc & 3) == 0 - && lduw_code(env->pc - 4) == 0x4e71 - && ldl_code(env->pc) == 0x4e7bf000) { + && cpu_lduw_code(env, env->pc - 4) == 0x4e71 + && cpu_ldl_code(env, env->pc) == 0x4e7bf000) { env->pc += 4; do_m68k_semihosting(env, env->dregs[0]); return; } - env->halted = 1; + cs = CPU(m68k_env_get_cpu(env)); + cs->halted = 1; env->exception_index = EXCP_HLT; cpu_loop_exit(env); return; @@ -153,44 +144,37 @@ static void do_interrupt_all(int is_hw) /* ??? This could cause MMU faults. */ sp &= ~3; sp -= 4; - stl_kernel(sp, retaddr); + cpu_stl_kernel(env, sp, retaddr); sp -= 4; - stl_kernel(sp, fmt); + cpu_stl_kernel(env, sp, fmt); env->aregs[7] = sp; /* Jump to vector. */ - env->pc = ldl_kernel(env->vbr + vector); + env->pc = cpu_ldl_kernel(env, env->vbr + vector); } -void do_interrupt(CPUM68KState *env1) +void m68k_cpu_do_interrupt(CPUState *cs) { - CPUM68KState *saved_env; + M68kCPU *cpu = M68K_CPU(cs); + CPUM68KState *env = &cpu->env; - saved_env = env; - env = env1; - do_interrupt_all(0); - env = saved_env; + do_interrupt_all(env, 0); } -void do_interrupt_m68k_hardirq(CPUM68KState *env1) +void do_interrupt_m68k_hardirq(CPUM68KState *env) { - CPUM68KState *saved_env; - - saved_env = env; - env = env1; - do_interrupt_all(1); - env = saved_env; + do_interrupt_all(env, 1); } #endif -static void raise_exception(int tt) +static void raise_exception(CPUM68KState *env, int tt) { env->exception_index = tt; cpu_loop_exit(env); } -void HELPER(raise_exception)(uint32_t tt) +void HELPER(raise_exception)(CPUM68KState *env, uint32_t tt) { - raise_exception(tt); + raise_exception(env, tt); } void HELPER(divu)(CPUM68KState *env, uint32_t word) @@ -204,14 +188,12 @@ void HELPER(divu)(CPUM68KState *env, uint32_t word) num = env->div1; den = env->div2; /* ??? This needs to make sure the throwing location is accurate. */ - if (den == 0) - raise_exception(EXCP_DIV0); + if (den == 0) { + raise_exception(env, EXCP_DIV0); + } quot = num / den; rem = num % den; flags = 0; - /* Avoid using a PARAM1 of zero. This breaks dyngen because it uses - the address of a symbol, and gcc knows symbols can't have address - zero. */ if (word && quot > 0xffff) flags |= CCF_V; if (quot == 0) @@ -233,8 +215,9 @@ void HELPER(divs)(CPUM68KState *env, uint32_t word) num = env->div1; den = env->div2; - if (den == 0) - raise_exception(EXCP_DIV0); + if (den == 0) { + raise_exception(env, EXCP_DIV0); + } quot = num / den; rem = num % den; flags = 0;