osdep: introduce qemu_anon_ram_free to free qemu_anon_ram_alloc-ed memory

[qemu.git] / translate-all.c

diff --git a/translate-all.c b/translate-all.c
index b50fb89528df707e3a0d323648e1507745684f57..da93608f0382a840154c2ba40712cae5e682c400 100644 (file)
--- a/translate-all.c
+++ b/translate-all.c
@@ -35,9 +35,6 @@
 #include "cpu.h"
 #include "disas/disas.h"
 #include "tcg.h"
-#include "qemu/timer.h"
-#include "exec/memory.h"
-#include "exec/address-spaces.h"
 #if defined(CONFIG_USER_ONLY)
 #include "qemu.h"
 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
@@ -55,10 +52,14 @@
 #include <libutil.h>
 #endif
 #endif
+#else
+#include "exec/address-spaces.h"
 #endif
+#include "qemu/timer.h"
 
 #include "exec/cputlb.h"
 #include "translate-all.h"
+#include "qemu/timer.h"
 
 //#define DEBUG_TB_INVALIDATE
 //#define DEBUG_FLUSH
@@ -1077,8 +1078,8 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
             tb_phys_invalidate(tb, -1);
             if (cpu != NULL) {
                 cpu->current_tb = saved_tb;
-                if (env && env->interrupt_request && cpu->current_tb) {
-                    cpu_interrupt(env, env->interrupt_request);
+                if (cpu->interrupt_request && cpu->current_tb) {
+                    cpu_interrupt(cpu, cpu->interrupt_request);
                 }
             }
         }
@@ -1308,11 +1309,11 @@ static void tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc,
 /* check whether the given addr is in TCG generated code buffer or not */
 bool is_tcg_gen_code(uintptr_t tc_ptr)
 {
-    /* This can be called during code generation, code_gen_buffer_max_size
+    /* This can be called during code generation, code_gen_buffer_size
        is used instead of code_gen_ptr for upper boundary checking */
     return (tc_ptr >= (uintptr_t)tcg_ctx.code_gen_buffer &&
             tc_ptr < (uintptr_t)(tcg_ctx.code_gen_buffer +
-                    tcg_ctx.code_gen_buffer_max_size));
+                    tcg_ctx.code_gen_buffer_size));
 }
 #endif
 
@@ -1349,55 +1350,6 @@ static TranslationBlock *tb_find_pc(uintptr_t tc_ptr)
     return &tcg_ctx.tb_ctx.tbs[m_max];
 }
 
-static void tb_reset_jump_recursive(TranslationBlock *tb);
-
-static inline void tb_reset_jump_recursive2(TranslationBlock *tb, int n)
-{
-    TranslationBlock *tb1, *tb_next, **ptb;
-    unsigned int n1;
-
-    tb1 = tb->jmp_next[n];
-    if (tb1 != NULL) {
-        /* find head of list */
-        for (;;) {
-            n1 = (uintptr_t)tb1 & 3;
-            tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
-            if (n1 == 2) {
-                break;
-            }
-            tb1 = tb1->jmp_next[n1];
-        }
-        /* we are now sure now that tb jumps to tb1 */
-        tb_next = tb1;
-
-        /* remove tb from the jmp_first list */
-        ptb = &tb_next->jmp_first;
-        for (;;) {
-            tb1 = *ptb;
-            n1 = (uintptr_t)tb1 & 3;
-            tb1 = (TranslationBlock *)((uintptr_t)tb1 & ~3);
-            if (n1 == n && tb1 == tb) {
-                break;
-            }
-            ptb = &tb1->jmp_next[n1];
-        }
-        *ptb = tb->jmp_next[n];
-        tb->jmp_next[n] = NULL;
-
-        /* suppress the jump to next tb in generated code */
-        tb_reset_jump(tb, n);
-
-        /* suppress jumps in the tb on which we could have jumped */
-        tb_reset_jump_recursive(tb_next);
-    }
-}
-
-static void tb_reset_jump_recursive(TranslationBlock *tb)
-{
-    tb_reset_jump_recursive2(tb, 0);
-    tb_reset_jump_recursive2(tb, 1);
-}
-
 #if defined(TARGET_HAS_ICE) && !defined(CONFIG_USER_ONLY)
 void tb_invalidate_phys_addr(hwaddr addr)
 {
@@ -1416,26 +1368,6 @@ void tb_invalidate_phys_addr(hwaddr addr)
 }
 #endif /* TARGET_HAS_ICE && !defined(CONFIG_USER_ONLY) */
 
-void cpu_unlink_tb(CPUState *cpu)
-{
-    /* FIXME: TB unchaining isn't SMP safe.  For now just ignore the
-       problem and hope the cpu will stop of its own accord.  For userspace
-       emulation this often isn't actually as bad as it sounds.  Often
-       signals are used primarily to interrupt blocking syscalls.  */
-    TranslationBlock *tb;
-    static spinlock_t interrupt_lock = SPIN_LOCK_UNLOCKED;
-
-    spin_lock(&interrupt_lock);
-    tb = cpu->current_tb;
-    /* if the cpu is currently executing code, we must unlink it and
-       all the potentially executing TB */
-    if (tb) {
-        cpu->current_tb = NULL;
-        tb_reset_jump_recursive(tb);
-    }
-    spin_unlock(&interrupt_lock);
-}
-
 void tb_check_watchpoint(CPUArchState *env)
 {
     TranslationBlock *tb;
@@ -1451,13 +1383,13 @@ void tb_check_watchpoint(CPUArchState *env)
 
 #ifndef CONFIG_USER_ONLY
 /* mask must never be zero, except for A20 change call */
-static void tcg_handle_interrupt(CPUArchState *env, int mask)
+static void tcg_handle_interrupt(CPUState *cpu, int mask)
 {
-    CPUState *cpu = ENV_GET_CPU(env);
+    CPUArchState *env = cpu->env_ptr;
     int old_mask;
 
-    old_mask = env->interrupt_request;
-    env->interrupt_request |= mask;
+    old_mask = cpu->interrupt_request;
+    cpu->interrupt_request |= mask;
 
     /*
      * If called from iothread context, wake the target cpu in
@@ -1475,7 +1407,7 @@ static void tcg_handle_interrupt(CPUArchState *env, int mask)
             cpu_abort(env, "Raised interrupt while not in I/O function");
         }
     } else {
-        cpu_unlink_tb(cpu);
+        cpu->tcg_exit_req = 1;
     }
 }
 
@@ -1621,12 +1553,10 @@ void dump_exec_info(FILE *f, fprintf_function cpu_fprintf)
 
 #else /* CONFIG_USER_ONLY */
 
-void cpu_interrupt(CPUArchState *env, int mask)
+void cpu_interrupt(CPUState *cpu, int mask)
 {
-    CPUState *cpu = ENV_GET_CPU(env);
-
-    env->interrupt_request |= mask;
-    cpu_unlink_tb(cpu);
+    cpu->interrupt_request |= mask;
+    cpu->tcg_exit_req = 1;
 }
 
 /*