tcg/loongarch64: Use tcg_use_softmmu

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 61 insertions, 65 deletions

diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 801302d..ccf133d 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -165,10 +165,7 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot)
     return TCG_REG_A0 + slot;
 }
 
-#ifndef CONFIG_SOFTMMU
-#define USE_GUEST_BASE     (guest_base != 0)
 #define TCG_GUEST_BASE_REG TCG_REG_S1
-#endif
 
 #define TCG_CT_CONST_ZERO  0x100
 #define TCG_CT_CONST_S12   0x200
@@ -908,76 +905,77 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h,
     h->aa = atom_and_align_for_opc(s, opc, MO_ATOM_IFALIGN, false);
     a_bits = h->aa.align;
 
-#ifdef CONFIG_SOFTMMU
-    unsigned s_bits = opc & MO_SIZE;
-    int mem_index = get_mmuidx(oi);
-    int fast_ofs = tlb_mask_table_ofs(s, mem_index);
-    int mask_ofs = fast_ofs + offsetof(CPUTLBDescFast, mask);
-    int table_ofs = fast_ofs + offsetof(CPUTLBDescFast, table);
-
-    ldst = new_ldst_label(s);
-    ldst->is_ld = is_ld;
-    ldst->oi = oi;
-    ldst->addrlo_reg = addr_reg;
-
-    tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_AREG0, mask_ofs);
-    tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP1, TCG_AREG0, table_ofs);
-
-    tcg_out_opc_srli_d(s, TCG_REG_TMP2, addr_reg,
-                    s->page_bits - CPU_TLB_ENTRY_BITS);
-    tcg_out_opc_and(s, TCG_REG_TMP2, TCG_REG_TMP2, TCG_REG_TMP0);
-    tcg_out_opc_add_d(s, TCG_REG_TMP2, TCG_REG_TMP2, TCG_REG_TMP1);
-
-    /* Load the tlb comparator and the addend.  */
-    QEMU_BUILD_BUG_ON(HOST_BIG_ENDIAN);
-    tcg_out_ld(s, addr_type, TCG_REG_TMP0, TCG_REG_TMP2,
-               is_ld ? offsetof(CPUTLBEntry, addr_read)
-                     : offsetof(CPUTLBEntry, addr_write));
-    tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP2, TCG_REG_TMP2,
-               offsetof(CPUTLBEntry, addend));
-
-    /*
-     * For aligned accesses, we check the first byte and include the alignment
-     * bits within the address.  For unaligned access, we check that we don't
-     * cross pages using the address of the last byte of the access.
-     */
-    if (a_bits < s_bits) {
-        unsigned a_mask = (1u << a_bits) - 1;
-        unsigned s_mask = (1u << s_bits) - 1;
-        tcg_out_addi(s, addr_type, TCG_REG_TMP1, addr_reg, s_mask - a_mask);
-    } else {
-        tcg_out_mov(s, addr_type, TCG_REG_TMP1, addr_reg);
-    }
-    tcg_out_opc_bstrins_d(s, TCG_REG_TMP1, TCG_REG_ZERO,
-                          a_bits, s->page_bits - 1);
-
-    /* Compare masked address with the TLB entry.  */
-    ldst->label_ptr[0] = s->code_ptr;
-    tcg_out_opc_bne(s, TCG_REG_TMP0, TCG_REG_TMP1, 0);
+    if (tcg_use_softmmu) {
+        unsigned s_bits = opc & MO_SIZE;
+        int mem_index = get_mmuidx(oi);
+        int fast_ofs = tlb_mask_table_ofs(s, mem_index);
+        int mask_ofs = fast_ofs + offsetof(CPUTLBDescFast, mask);
+        int table_ofs = fast_ofs + offsetof(CPUTLBDescFast, table);
 
-    h->index = TCG_REG_TMP2;
-#else
-    if (a_bits) {
         ldst = new_ldst_label(s);
-
         ldst->is_ld = is_ld;
         ldst->oi = oi;
         ldst->addrlo_reg = addr_reg;
 
+        tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_AREG0, mask_ofs);
+        tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP1, TCG_AREG0, table_ofs);
+
+        tcg_out_opc_srli_d(s, TCG_REG_TMP2, addr_reg,
+                           s->page_bits - CPU_TLB_ENTRY_BITS);
+        tcg_out_opc_and(s, TCG_REG_TMP2, TCG_REG_TMP2, TCG_REG_TMP0);
+        tcg_out_opc_add_d(s, TCG_REG_TMP2, TCG_REG_TMP2, TCG_REG_TMP1);
+
+        /* Load the tlb comparator and the addend.  */
+        QEMU_BUILD_BUG_ON(HOST_BIG_ENDIAN);
+        tcg_out_ld(s, addr_type, TCG_REG_TMP0, TCG_REG_TMP2,
+                   is_ld ? offsetof(CPUTLBEntry, addr_read)
+                         : offsetof(CPUTLBEntry, addr_write));
+        tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP2, TCG_REG_TMP2,
+                   offsetof(CPUTLBEntry, addend));
+
         /*
-         * Without micro-architecture details, we don't know which of
-         * bstrpick or andi is faster, so use bstrpick as it's not
-         * constrained by imm field width. Not to say alignments >= 2^12
-         * are going to happen any time soon.
+         * For aligned accesses, we check the first byte and include the
+         * alignment bits within the address.  For unaligned access, we
+         * check that we don't cross pages using the address of the last
+         * byte of the access.
          */
-        tcg_out_opc_bstrpick_d(s, TCG_REG_TMP1, addr_reg, 0, a_bits - 1);
+        if (a_bits < s_bits) {
+            unsigned a_mask = (1u << a_bits) - 1;
+            unsigned s_mask = (1u << s_bits) - 1;
+            tcg_out_addi(s, addr_type, TCG_REG_TMP1, addr_reg, s_mask - a_mask);
+        } else {
+            tcg_out_mov(s, addr_type, TCG_REG_TMP1, addr_reg);
+        }
+        tcg_out_opc_bstrins_d(s, TCG_REG_TMP1, TCG_REG_ZERO,
+                              a_bits, s->page_bits - 1);
 
+        /* Compare masked address with the TLB entry.  */
         ldst->label_ptr[0] = s->code_ptr;
-        tcg_out_opc_bne(s, TCG_REG_TMP1, TCG_REG_ZERO, 0);
-    }
+        tcg_out_opc_bne(s, TCG_REG_TMP0, TCG_REG_TMP1, 0);
 
-    h->index = USE_GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_ZERO;
-#endif
+        h->index = TCG_REG_TMP2;
+    } else {
+        if (a_bits) {
+            ldst = new_ldst_label(s);
+
+            ldst->is_ld = is_ld;
+            ldst->oi = oi;
+            ldst->addrlo_reg = addr_reg;
+
+            /*
+             * Without micro-architecture details, we don't know which of
+             * bstrpick or andi is faster, so use bstrpick as it's not
+             * constrained by imm field width. Not to say alignments >= 2^12
+             * are going to happen any time soon.
+             */
+            tcg_out_opc_bstrpick_d(s, TCG_REG_TMP1, addr_reg, 0, a_bits - 1);
+
+            ldst->label_ptr[0] = s->code_ptr;
+            tcg_out_opc_bne(s, TCG_REG_TMP1, TCG_REG_ZERO, 0);
+        }
+
+        h->index = guest_base ? TCG_GUEST_BASE_REG : TCG_REG_ZERO;
+    }
 
     if (addr_type == TCG_TYPE_I32) {
         h->base = TCG_REG_TMP0;
@@ -2272,12 +2270,10 @@ static void tcg_target_qemu_prologue(TCGContext *s)
                    TCG_REG_SP, SAVE_OFS + i * REG_SIZE);
     }
 
-#if !defined(CONFIG_SOFTMMU)
-    if (USE_GUEST_BASE) {
+    if (!tcg_use_softmmu && guest_base) {
         tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, guest_base);
         tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG);
     }
-#endif
 
     /* Call generated code */
     tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, tcg_target_call_iarg_regs[0]);