Merge remote-tracking branch 'remotes/philmd/tags/mips-20210502' into staging

MIPS patches queue

- Fix CACHEE opcode
- Add missing CP0 checks to nanoMIPS RDPGPR / WRPGPR opcodes
- Remove isa_get_irq() call in PIIX4 south bridge
- Add various missing fields to the MIPS CPU migration vmstate
- Lot of code moved around to allow TCG or KVM only builds
- Restrict non-virtualized machines to TCG
- Add KVM mips64el cross-build jobs to gitlab-ci

# gpg: Signature made Sun 02 May 2021 15:56:51 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd/tags/mips-20210502: (36 commits)
  gitlab-ci: Add KVM mips64el cross-build jobs
  hw/mips: Restrict non-virtualized machines to TCG
  target/mips: Move TCG source files under tcg/ sub directory
  target/mips: Move CP0 helpers to sysemu/cp0.c
  target/mips: Move exception management code to exception.c
  target/mips: Move TLB management helpers to tcg/sysemu/tlb_helper.c
  target/mips: Move helper_cache() to tcg/sysemu/special_helper.c
  target/mips: Move Special opcodes to tcg/sysemu/special_helper.c
  target/mips: Restrict CPUMIPSTLBContext::map_address() handlers scope
  target/mips: Move tlb_helper.c to tcg/sysemu/
  target/mips: Restrict mmu_init() to TCG
  target/mips: Move sysemu TCG-specific code to tcg/sysemu/ subfolder
  target/mips: Restrict cpu_mips_get_random() / update_pagemask() to TCG
  target/mips: Move physical addressing code to sysemu/physaddr.c
  target/mips: Move sysemu specific files under sysemu/ subfolder
  target/mips: Move cpu_signal_handler definition around
  target/mips: Add simple user-mode mips_cpu_tlb_fill()
  target/mips: Add simple user-mode mips_cpu_do_interrupt()
  target/mips: Introduce tcg-internal.h for TCG specific declarations
  meson: Introduce meson_user_arch source set for arch-specific user-mode
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/target/mips/tcg/translate_addr_const.c b/target/mips/tcg/translate_addr_const.c
new file mode 100644
index 0000000000..96f483418e
--- /dev/null
+++ b/target/mips/tcg/translate_addr_const.c
@@ -0,0 +1,61 @@
+/*
+ * Address Computation and Large Constant Instructions
+ *
+ *  Copyright (c) 2004-2005 Jocelyn Mayer
+ *  Copyright (c) 2006 Marius Groeger (FPU operations)
+ *  Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
+ *  Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
+ *  Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support)
+ *  Copyright (c) 2020 Philippe Mathieu-Daudé
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+#include "qemu/osdep.h"
+#include "tcg/tcg-op.h"
+#include "translate.h"
+
+bool gen_lsa(DisasContext *ctx, int rd, int rt, int rs, int sa)
+{
+    TCGv t0;
+    TCGv t1;
+
+    if (rd == 0) {
+        /* Treat as NOP. */
+        return true;
+    }
+    t0 = tcg_temp_new();
+    t1 = tcg_temp_new();
+    gen_load_gpr(t0, rs);
+    gen_load_gpr(t1, rt);
+    tcg_gen_shli_tl(t0, t0, sa + 1);
+    tcg_gen_add_tl(cpu_gpr[rd], t0, t1);
+    tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
+
+    tcg_temp_free(t1);
+    tcg_temp_free(t0);
+
+    return true;
+}
+
+bool gen_dlsa(DisasContext *ctx, int rd, int rt, int rs, int sa)
+{
+    TCGv t0;
+    TCGv t1;
+
+    check_mips_64(ctx);
+
+    if (rd == 0) {
+        /* Treat as NOP. */
+        return true;
+    }
+    t0 = tcg_temp_new();
+    t1 = tcg_temp_new();
+    gen_load_gpr(t0, rs);
+    gen_load_gpr(t1, rt);
+    tcg_gen_shli_tl(t0, t0, sa + 1);
+    tcg_gen_add_tl(cpu_gpr[rd], t0, t1);
+    tcg_temp_free(t1);
+    tcg_temp_free(t0);
+
+    return true;
+}