void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t);
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif /* AARCH64_TCG_TARGET_H */
* See the COPYING file in the top-level directory for details.
*/
-#include "tcg-be-ldst.h"
#include "qemu/bitops.h"
/* We're going to re-use TCGType in setting of the SF bit, which controls
}
#ifdef CONFIG_SOFTMMU
+#include "tcg-ldst.inc.c"
+
/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
* TCGMemOpIdx oi, uintptr_t ra)
*/
/* not defined -- call should be eliminated at compile time */
void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t);
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif
*/
#include "elf.h"
-#include "tcg-be-ldst.h"
int arm_arch = __ARM_ARCH;
}
#ifdef CONFIG_SOFTMMU
+#include "tcg-ldst.inc.c"
+
/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
* int mmu_idx, uintptr_t ra)
*/
#define TCG_TARGET_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD)
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif
* THE SOFTWARE.
*/
-#include "tcg-be-ldst.h"
-
#ifdef CONFIG_DEBUG_TCG
static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
#if TCG_TARGET_REG_BITS == 64
}
#if defined(CONFIG_SOFTMMU)
+#include "tcg-ldst.inc.c"
+
/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
* int mmu_idx, uintptr_t ra)
*/
void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t);
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif
* THE SOFTWARE.
*/
-#include "tcg-be-ldst.h"
-
#ifdef HOST_WORDS_BIGENDIAN
# define MIPS_BE 1
#else
}
#if defined(CONFIG_SOFTMMU)
+#include "tcg-ldst.inc.c"
+
static void * const qemu_ld_helpers[16] = {
[MO_UB] = helper_ret_ldub_mmu,
[MO_SB] = helper_ret_ldsb_mmu,
#define TCG_TARGET_DEFAULT_MO (0)
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif
* THE SOFTWARE.
*/
-#include "tcg-be-ldst.h"
-
#if defined _CALL_DARWIN || defined __APPLE__
#define TCG_TARGET_CALL_DARWIN
#endif
};
#if defined (CONFIG_SOFTMMU)
+#include "tcg-ldst.inc.c"
+
/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr,
* int mmu_idx, uintptr_t ra)
*/
/* no need to flush icache explicitly */
}
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif
* THE SOFTWARE.
*/
-#include "tcg-be-ldst.h"
-
/* We only support generating code for 64-bit mode. */
#if TCG_TARGET_REG_BITS != 64
#error "unsupported code generation mode"
}
#if defined(CONFIG_SOFTMMU)
+#include "tcg-ldst.inc.c"
+
/* We're expecting to use a 20-bit signed offset on the tlb memory ops.
Using the offset of the second entry in the last tlb table ensures
that we can index all of the elements of the first entry. */
* THE SOFTWARE.
*/
-#include "tcg-be-null.h"
-
#ifdef CONFIG_DEBUG_TCG
static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
"%g0",
+++ /dev/null
-/*
- * TCG Backend Data: load-store optimization only.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifdef CONFIG_SOFTMMU
-
-typedef struct TCGLabelQemuLdst {
- bool is_ld; /* qemu_ld: true, qemu_st: false */
- TCGMemOpIdx oi;
- TCGType type; /* result type of a load */
- TCGReg addrlo_reg; /* reg index for low word of guest virtual addr */
- TCGReg addrhi_reg; /* reg index for high word of guest virtual addr */
- TCGReg datalo_reg; /* reg index for low word to be loaded or stored */
- TCGReg datahi_reg; /* reg index for high word to be loaded or stored */
- tcg_insn_unit *raddr; /* gen code addr of the next IR of qemu_ld/st IR */
- tcg_insn_unit *label_ptr[2]; /* label pointers to be updated */
- struct TCGLabelQemuLdst *next;
-} TCGLabelQemuLdst;
-
-typedef struct TCGBackendData {
- TCGLabelQemuLdst *labels;
-} TCGBackendData;
-
-
-/*
- * Initialize TB backend data at the beginning of the TB.
- */
-
-static inline void tcg_out_tb_init(TCGContext *s)
-{
- s->be->labels = NULL;
-}
-
-/*
- * Generate TB finalization at the end of block
- */
-
-static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l);
-static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l);
-
-static bool tcg_out_tb_finalize(TCGContext *s)
-{
- TCGLabelQemuLdst *lb;
-
- /* qemu_ld/st slow paths */
- for (lb = s->be->labels; lb != NULL; lb = lb->next) {
- if (lb->is_ld) {
- tcg_out_qemu_ld_slow_path(s, lb);
- } else {
- tcg_out_qemu_st_slow_path(s, lb);
- }
-
- /* Test for (pending) buffer overflow. The assumption is that any
- one operation beginning below the high water mark cannot overrun
- the buffer completely. Thus we can test for overflow after
- generating code without having to check during generation. */
- if (unlikely((void *)s->code_ptr > s->code_gen_highwater)) {
- return false;
- }
- }
- return true;
-}
-
-/*
- * Allocate a new TCGLabelQemuLdst entry.
- */
-
-static inline TCGLabelQemuLdst *new_ldst_label(TCGContext *s)
-{
- TCGBackendData *be = s->be;
- TCGLabelQemuLdst *l = tcg_malloc(sizeof(*l));
-
- l->next = be->labels;
- be->labels = l;
- return l;
-}
-#else
-#include "tcg-be-null.h"
-#endif /* CONFIG_SOFTMMU */
+++ /dev/null
-/*
- * TCG Backend Data: No backend data
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-typedef struct TCGBackendData {
- /* Empty */
- char dummy;
-} TCGBackendData;
-
-
-/*
- * Initialize TB backend data at the beginning of the TB.
- */
-
-static inline void tcg_out_tb_init(TCGContext *s)
-{
-}
-
-/*
- * Generate TB finalization at the end of block
- */
-
-static inline bool tcg_out_tb_finalize(TCGContext *s)
-{
- return true;
-}
--- /dev/null
+/*
+ * TCG Backend Data: load-store optimization only.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+typedef struct TCGLabelQemuLdst {
+ bool is_ld; /* qemu_ld: true, qemu_st: false */
+ TCGMemOpIdx oi;
+ TCGType type; /* result type of a load */
+ TCGReg addrlo_reg; /* reg index for low word of guest virtual addr */
+ TCGReg addrhi_reg; /* reg index for high word of guest virtual addr */
+ TCGReg datalo_reg; /* reg index for low word to be loaded or stored */
+ TCGReg datahi_reg; /* reg index for high word to be loaded or stored */
+ tcg_insn_unit *raddr; /* gen code addr of the next IR of qemu_ld/st IR */
+ tcg_insn_unit *label_ptr[2]; /* label pointers to be updated */
+ struct TCGLabelQemuLdst *next;
+} TCGLabelQemuLdst;
+
+
+/*
+ * Generate TB finalization at the end of block
+ */
+
+static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l);
+static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l);
+
+static bool tcg_out_ldst_finalize(TCGContext *s)
+{
+ TCGLabelQemuLdst *lb;
+
+ /* qemu_ld/st slow paths */
+ for (lb = s->ldst_labels; lb != NULL; lb = lb->next) {
+ if (lb->is_ld) {
+ tcg_out_qemu_ld_slow_path(s, lb);
+ } else {
+ tcg_out_qemu_st_slow_path(s, lb);
+ }
+
+ /* Test for (pending) buffer overflow. The assumption is that any
+ one operation beginning below the high water mark cannot overrun
+ the buffer completely. Thus we can test for overflow after
+ generating code without having to check during generation. */
+ if (unlikely((void *)s->code_ptr > s->code_gen_highwater)) {
+ return false;
+ }
+ }
+ return true;
+}
+
+/*
+ * Allocate a new TCGLabelQemuLdst entry.
+ */
+
+static inline TCGLabelQemuLdst *new_ldst_label(TCGContext *s)
+{
+ TCGLabelQemuLdst *l = tcg_malloc(sizeof(*l));
+
+ l->next = s->ldst_labels;
+ s->ldst_labels = l;
+ return l;
+}
static void tcg_out_call(TCGContext *s, tcg_insn_unit *target);
static int tcg_target_const_match(tcg_target_long val, TCGType type,
const TCGArgConstraint *arg_ct);
-static void tcg_out_tb_init(TCGContext *s);
-static bool tcg_out_tb_finalize(TCGContext *s);
-
-
+#ifdef TCG_TARGET_NEED_LDST_LABELS
+static bool tcg_out_ldst_finalize(TCGContext *s);
+#endif
static TCGRegSet tcg_target_available_regs[2];
static TCGRegSet tcg_target_call_clobber_regs;
s->gen_op_buf[0].prev = 0;
s->gen_next_op_idx = 1;
s->gen_next_parm_idx = 0;
-
- s->be = tcg_malloc(sizeof(TCGBackendData));
}
static inline int temp_idx(TCGContext *s, TCGTemp *ts)
s->code_buf = tb->tc_ptr;
s->code_ptr = tb->tc_ptr;
- tcg_out_tb_init(s);
+#ifdef TCG_TARGET_NEED_LDST_LABELS
+ s->ldst_labels = NULL;
+#endif
num_insns = -1;
for (oi = s->gen_op_buf[0].next; oi != 0; oi = oi_next) {
s->gen_insn_end_off[num_insns] = tcg_current_code_size(s);
/* Generate TB finalization at the end of block */
- if (!tcg_out_tb_finalize(s)) {
+#ifdef TCG_TARGET_NEED_LDST_LABELS
+ if (!tcg_out_ldst_finalize(s)) {
return -1;
}
+#endif
/* flush instruction cache */
flush_icache_range((uintptr_t)s->code_buf, (uintptr_t)s->code_ptr);
CPUState *cpu; /* *_trans */
TCGv_env tcg_env; /* *_exec */
- /* The TCGBackendData structure is private to tcg-target.inc.c. */
- struct TCGBackendData *be;
+ /* These structures are private to tcg-target.inc.c. */
+#ifdef TCG_TARGET_NEED_LDST_LABELS
+ struct TCGLabelQemuLdst *ldst_labels;
+#endif
TCGTempSet free_temps[TCG_TYPE_COUNT * 2];
TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */
/* no need to flush icache explicitly */
}
+#ifdef CONFIG_SOFTMMU
+#define TCG_TARGET_NEED_LDST_LABELS
+#endif
+
#endif /* TCG_TARGET_H */
* THE SOFTWARE.
*/
-#include "tcg-be-null.h"
-
/* TODO list:
* - See TODO comments in code.
*/
projects / qemu-xen.git / commitdiff