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[Qemu-devel] [PATCH v3 08/15] spapr/rtas: modify spapr_rtas_register() t


From: Cédric Le Goater
Subject: [Qemu-devel] [PATCH v3 08/15] spapr/rtas: modify spapr_rtas_register() to remove RTAS handlers
Date: Thu, 21 Mar 2019 15:49:07 +0100

Removing RTAS handlers will become necessary when the new pseries
machine supporting multiple interrupt mode is introduced.

Signed-off-by: Cédric Le Goater <address@hidden>
---
 include/hw/ppc/spapr.h | 4 ++++
 hw/ppc/spapr_rtas.c    | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 2b4c05a2ec33..6a067db04351 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -671,6 +671,10 @@ typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, 
SpaprMachineState *sm,
                               uint32_t nargs, target_ulong args,
                               uint32_t nret, target_ulong rets);
 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
+static inline void spapr_rtas_unregister(int token)
+{
+    spapr_rtas_register(token, NULL, NULL);
+}
 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
                              uint32_t token, uint32_t nargs, target_ulong args,
                              uint32_t nret, target_ulong rets);
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index 24c45b12d46b..ee24212765be 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -404,7 +404,7 @@ void spapr_rtas_register(int token, const char *name, 
spapr_rtas_fn fn)
 
     token -= RTAS_TOKEN_BASE;
 
-    assert(!rtas_table[token].name);
+    assert(!name || !rtas_table[token].name);
 
     rtas_table[token].name = name;
     rtas_table[token].fn = fn;
-- 
2.20.1




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