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authorBlue Swirl <blauwirbel@gmail.com>2011-08-01 12:19:05 +0000
committerBlue Swirl <blauwirbel@gmail.com>2012-03-18 12:22:02 +0000
commit0184e266cb7584feefaf4b54abbaa9fa81b62fac (patch)
tree4685a7b60eaf0e0512667bcc019ed256ec90e6aa /target-sparc/ldst_helper.c
parentfe8d8f0f1c3ed0f5e84edffbbc8fcdf3b7da589b (diff)
downloadqemu-0184e266cb7584feefaf4b54abbaa9fa81b62fac.tar.gz
Sparc: avoid AREG0 wrappers for memory access helpers
Adjust generation of load and store templates so that the functions take a parameter for CPUState instead of relying on global env. Remove wrappers. Move remaining memory helpers to ldst_helper.c. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc/ldst_helper.c')
-rw-r--r--target-sparc/ldst_helper.c73
1 files changed, 69 insertions, 4 deletions
diff --git a/target-sparc/ldst_helper.c b/target-sparc/ldst_helper.c
index 8468cde07e..1418205f99 100644
--- a/target-sparc/ldst_helper.c
+++ b/target-sparc/ldst_helper.c
@@ -64,6 +64,24 @@
#define QT0 (env->qt0)
#define QT1 (env->qt1)
+#if !defined(CONFIG_USER_ONLY)
+#include "softmmu_exec.h"
+#define MMUSUFFIX _mmu
+#define ALIGNED_ONLY
+
+#define SHIFT 0
+#include "softmmu_template.h"
+
+#define SHIFT 1
+#include "softmmu_template.h"
+
+#define SHIFT 2
+#include "softmmu_template.h"
+
+#define SHIFT 3
+#include "softmmu_template.h"
+#endif
+
#if defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
/* Calculates TSB pointer value for fault page size 8k or 64k */
static uint64_t ultrasparc_tsb_pointer(uint64_t tsb_register,
@@ -523,17 +541,17 @@ uint64_t helper_ld_asi(CPUSPARCState *env, target_ulong addr, int asi, int size,
case 9: /* Supervisor code access */
switch (size) {
case 1:
- ret = ldub_code(addr);
+ ret = cpu_ldub_code(env, addr);
break;
case 2:
- ret = lduw_code(addr);
+ ret = cpu_lduw_code(env, addr);
break;
default:
case 4:
- ret = ldl_code(addr);
+ ret = cpu_ldl_code(env, addr);
break;
case 8:
- ret = ldq_code(addr);
+ ret = cpu_ldq_code(env, addr);
break;
}
break;
@@ -2355,3 +2373,50 @@ void cpu_unassigned_access(CPUSPARCState *env, target_phys_addr_t addr,
}
#endif
#endif
+
+#if !defined(CONFIG_USER_ONLY)
+/* XXX: make it generic ? */
+static void cpu_restore_state2(CPUSPARCState *env, void *retaddr)
+{
+ TranslationBlock *tb;
+ unsigned long pc;
+
+ 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);
+ }
+ }
+}
+
+void do_unaligned_access(CPUSPARCState *env, target_ulong addr, int is_write,
+ int is_user, void *retaddr)
+{
+#ifdef DEBUG_UNALIGNED
+ printf("Unaligned access to 0x" TARGET_FMT_lx " from 0x" TARGET_FMT_lx
+ "\n", addr, env->pc);
+#endif
+ cpu_restore_state2(env, retaddr);
+ helper_raise_exception(env, TT_UNALIGNED);
+}
+
+/* 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(CPUSPARCState *env, target_ulong addr, int is_write, int mmu_idx,
+ void *retaddr)
+{
+ int ret;
+
+ ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, mmu_idx);
+ if (ret) {
+ cpu_restore_state2(env, retaddr);
+ cpu_loop_exit(env);
+ }
+}
+#endif