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authorClaudio Fontana <cfontana@suse.de>2021-03-22 14:27:43 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2021-05-10 15:41:50 -0400
commitce21726525da53053432b19e27e9fd2a49086d78 (patch)
tree728582a6a95073517918cbd5b2eb6fe8dbc84224
parentbb883fd67707fd7f1bf04369aafd7ea7ad5b01b0 (diff)
downloadqemu-ce21726525da53053432b19e27e9fd2a49086d78.zip
target/i386: fix host_cpu_adjust_phys_bits error handling
move the check for phys_bits outside of host_cpu_adjust_phys_bits, because otherwise it is impossible to return an error condition explicitly. Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210322132800.7470-8-cfontana@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--target/i386/host-cpu.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c
index 9cfe56ce41..d07d41c34c 100644
--- a/target/i386/host-cpu.c
+++ b/target/i386/host-cpu.c
@@ -50,7 +50,7 @@ static void host_cpu_enable_cpu_pm(X86CPU *cpu)
env->features[FEAT_1_ECX] |= CPUID_EXT_MONITOR;
}
-static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu, Error **errp)
+static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu)
{
uint32_t host_phys_bits = host_cpu_phys_bits();
uint32_t phys_bits = cpu->phys_bits;
@@ -77,14 +77,6 @@ static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu, Error **errp)
}
}
- if (phys_bits &&
- (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
- phys_bits < 32)) {
- error_setg(errp, "phys-bits should be between 32 and %u "
- " (but is %u)",
- TARGET_PHYS_ADDR_SPACE_BITS, phys_bits);
- }
-
return phys_bits;
}
@@ -97,7 +89,17 @@ void host_cpu_realizefn(CPUState *cs, Error **errp)
host_cpu_enable_cpu_pm(cpu);
}
if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
- cpu->phys_bits = host_cpu_adjust_phys_bits(cpu, errp);
+ uint32_t phys_bits = host_cpu_adjust_phys_bits(cpu);
+
+ if (phys_bits &&
+ (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
+ phys_bits < 32)) {
+ error_setg(errp, "phys-bits should be between 32 and %u "
+ " (but is %u)",
+ TARGET_PHYS_ADDR_SPACE_BITS, phys_bits);
+ return;
+ }
+ cpu->phys_bits = phys_bits;
}
}