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fe8d8f0f1c
Make memory access helpers take a parameter for CPUState instead of relying on global env. Introduce wrappers for load and store ops. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
175 lines
5.0 KiB
C
175 lines
5.0 KiB
C
#include "cpu.h"
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#include "dyngen-exec.h"
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#include "helper.h"
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#if !defined(CONFIG_USER_ONLY)
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#include "softmmu_exec.h"
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static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
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void *retaddr);
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#define MMUSUFFIX _mmu
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#define ALIGNED_ONLY
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#define SHIFT 0
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#include "softmmu_template.h"
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#define SHIFT 1
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#include "softmmu_template.h"
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#define SHIFT 2
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#include "softmmu_template.h"
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#define SHIFT 3
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#include "softmmu_template.h"
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/* XXX: make it generic ? */
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static void cpu_restore_state2(void *retaddr)
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{
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TranslationBlock *tb;
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unsigned long pc;
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if (retaddr) {
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/* now we have a real cpu fault */
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pc = (unsigned long)retaddr;
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tb = tb_find_pc(pc);
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if (tb) {
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/* the PC is inside the translated code. It means that we have
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a virtual CPU fault */
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cpu_restore_state(tb, env, pc);
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}
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}
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}
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static void do_unaligned_access(target_ulong addr, int is_write, int is_user,
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void *retaddr)
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{
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#ifdef DEBUG_UNALIGNED
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printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
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"\n", addr, env->pc);
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#endif
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cpu_restore_state2(retaddr);
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helper_raise_exception(env, TT_UNALIGNED);
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}
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/* try to fill the TLB and return an exception if error. If retaddr is
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NULL, it means that the function was called in C code (i.e. not
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from generated code or from helper.c) */
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/* XXX: fix it to restore all registers */
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void tlb_fill(CPUSPARCState *env1, target_ulong addr, int is_write, int mmu_idx,
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void *retaddr)
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{
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int ret;
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CPUSPARCState *saved_env;
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saved_env = env;
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env = env1;
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ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx);
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if (ret) {
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cpu_restore_state2(retaddr);
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cpu_loop_exit(env);
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}
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env = saved_env;
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}
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#define WRAP_LD(rettype, fn) \
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rettype cpu_ ## fn (CPUSPARCState *env1, target_ulong addr) \
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{ \
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CPUSPARCState *saved_env; \
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rettype ret; \
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\
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saved_env = env; \
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env = env1; \
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ret = fn(addr); \
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env = saved_env; \
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return ret; \
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}
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WRAP_LD(uint32_t, ldub_kernel)
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WRAP_LD(uint32_t, lduw_kernel)
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WRAP_LD(uint32_t, ldl_kernel)
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WRAP_LD(uint64_t, ldq_kernel)
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WRAP_LD(uint32_t, ldub_user)
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WRAP_LD(uint32_t, lduw_user)
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WRAP_LD(uint32_t, ldl_user)
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WRAP_LD(uint64_t, ldq_user)
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WRAP_LD(uint64_t, ldfq_kernel)
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WRAP_LD(uint64_t, ldfq_user)
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#ifdef TARGET_SPARC64
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WRAP_LD(uint32_t, ldub_hypv)
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WRAP_LD(uint32_t, lduw_hypv)
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WRAP_LD(uint32_t, ldl_hypv)
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WRAP_LD(uint64_t, ldq_hypv)
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WRAP_LD(uint64_t, ldfq_hypv)
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WRAP_LD(uint32_t, ldub_nucleus)
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WRAP_LD(uint32_t, lduw_nucleus)
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WRAP_LD(uint32_t, ldl_nucleus)
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WRAP_LD(uint64_t, ldq_nucleus)
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WRAP_LD(uint32_t, ldub_kernel_secondary)
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WRAP_LD(uint32_t, lduw_kernel_secondary)
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WRAP_LD(uint32_t, ldl_kernel_secondary)
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WRAP_LD(uint64_t, ldq_kernel_secondary)
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WRAP_LD(uint32_t, ldub_user_secondary)
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WRAP_LD(uint32_t, lduw_user_secondary)
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WRAP_LD(uint32_t, ldl_user_secondary)
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WRAP_LD(uint64_t, ldq_user_secondary)
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#endif
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#undef WRAP_LD
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#define WRAP_ST(datatype, fn) \
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void cpu_ ## fn (CPUSPARCState *env1, target_ulong addr, datatype val) \
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{ \
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CPUSPARCState *saved_env; \
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\
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saved_env = env; \
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env = env1; \
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fn(addr, val); \
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env = saved_env; \
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}
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WRAP_ST(uint32_t, stb_kernel)
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WRAP_ST(uint32_t, stw_kernel)
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WRAP_ST(uint32_t, stl_kernel)
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WRAP_ST(uint64_t, stq_kernel)
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WRAP_ST(uint32_t, stb_user)
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WRAP_ST(uint32_t, stw_user)
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WRAP_ST(uint32_t, stl_user)
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WRAP_ST(uint64_t, stq_user)
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WRAP_ST(uint64_t, stfq_kernel)
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WRAP_ST(uint64_t, stfq_user)
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#ifdef TARGET_SPARC64
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WRAP_ST(uint32_t, stb_hypv)
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WRAP_ST(uint32_t, stw_hypv)
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WRAP_ST(uint32_t, stl_hypv)
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WRAP_ST(uint64_t, stq_hypv)
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WRAP_ST(uint64_t, stfq_hypv)
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WRAP_ST(uint32_t, stb_nucleus)
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WRAP_ST(uint32_t, stw_nucleus)
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WRAP_ST(uint32_t, stl_nucleus)
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WRAP_ST(uint64_t, stq_nucleus)
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WRAP_ST(uint32_t, stb_kernel_secondary)
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WRAP_ST(uint32_t, stw_kernel_secondary)
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WRAP_ST(uint32_t, stl_kernel_secondary)
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WRAP_ST(uint64_t, stq_kernel_secondary)
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WRAP_ST(uint32_t, stb_user_secondary)
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WRAP_ST(uint32_t, stw_user_secondary)
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WRAP_ST(uint32_t, stl_user_secondary)
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WRAP_ST(uint64_t, stq_user_secondary)
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#endif
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#undef WRAP_ST
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#endif
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