Merge tag 'pull-ppc-20220420-2' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-04-20

First batch of ppc patches for QEMU 7.1:

- skiboot firmware version bump
- pseries: add 2M DDW pagesize
- pseries: make virtual hypervisor code TCG only
- powernv: introduce GPIO lines for PSIHB device
- powernv: remove PCIE root bridge LSI
- target/ppc: alternative softfloat 128 bit integer support
- assorted fixes

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# gpg: Signature made Wed 20 Apr 2022 02:48:14 PM PDT
# gpg:                using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
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* tag 'pull-ppc-20220420-2' of https://gitlab.com/danielhb/qemu: (23 commits)
  hw/ppc: change indentation to spaces from TABs
  target/ppc: Add two missing register callbacks on POWER10
  ppc/pnv: Remove LSI on the PCIE host bridge
  pcie: Don't try triggering a LSI when not defined
  ppc/vof: Fix uninitialized string tracing
  hw/ppc/ppc405_boards: Initialize g_autofree pointer
  target/ppc: implement xscvqp[su]qz
  target/ppc: implement xscv[su]qqp
  softfloat: add float128_to_int128
  softfloat: add float128_to_uint128
  softfloat: add int128_to_float128
  softfloat: add uint128_to_float128
  qemu/int128: add int128_urshift
  target/ppc: Improve KVM hypercall trace
  spapr: Move nested KVM hypercalls under a TCG only config.
  spapr: Move hypercall_register_softmmu
  ppc/pnv: Remove useless checks in set_irq handlers
  ppc/pnv: Remove PnvPsiClas::irq_set
  ppc/pnv: Remove PnvOCC::psi link
  ppc/pnv: Remove PnvLpcController::psi link
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index 37e07fd6dd..ef71f56e3f 100644
--- a/include/qemu/int128.h
+++ b/include/qemu/int128.h
@@ -83,6 +83,11 @@ static inline Int128 int128_rshift(Int128 a, int n)
     return a >> n;
 }
 
+static inline Int128 int128_urshift(Int128 a, int n)
+{
+    return (__uint128_t)a >> n;
+}
+
 static inline Int128 int128_lshift(Int128 a, int n)
 {
     return a << n;
@@ -299,6 +304,20 @@ static inline Int128 int128_rshift(Int128 a, int n)
     }
 }
 
+static inline Int128 int128_urshift(Int128 a, int n)
+{
+    uint64_t h = a.hi;
+    if (!n) {
+        return a;
+    }
+    h = h >> (n & 63);
+    if (n >= 64) {
+        return int128_make64(h);
+    } else {
+        return int128_make128((a.lo >> n) | ((uint64_t)a.hi << (64 - n)), h);
+    }
+}
+
 static inline Int128 int128_lshift(Int128 a, int n)
 {
     uint64_t l = a.lo << (n & 63);
@@ -412,5 +431,7 @@ static inline void bswap128s(Int128 *s)
 }
 
 #define UINT128_MAX int128_make128(~0LL, ~0LL)
+#define INT128_MAX int128_make128(UINT64_MAX, INT64_MAX)
+#define INT128_MIN int128_make128(0, INT64_MIN)
 
 #endif /* INT128_H */