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| author | Fabian Aggeler <aggelerf@ethz.ch> | 2014-12-11 12:07:50 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-12-11 12:07:50 +0000 |
| commit | 137feaa9a1622620adf19c0b707883dd990738e2 (patch) | |
| tree | c5eacacf5f85cf7cb1772fc18e20f27d057b639f /target-arm/cpu.c | |
| parent | e89e51a17ea0d8aef9bf9b766c98f963e835fbf2 (diff) | |
| download | qemu-137feaa9a1622620adf19c0b707883dd990738e2.zip qemu-137feaa9a1622620adf19c0b707883dd990738e2.tar.gz qemu-137feaa9a1622620adf19c0b707883dd990738e2.tar.bz2 | |
target-arm: add SCTLR_EL3 and make SCTLR banked
Implements SCTLR_EL3 and uses secure/non-secure instance when
needed.
Signed-off-by: Fabian Aggeler <aggelerf@ethz.ch>
Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1416242878-876-14-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/cpu.c')
| -rw-r--r-- | target-arm/cpu.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c index 5ce7350..fdb7b35 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -109,7 +109,7 @@ static void arm_cpu_reset(CPUState *s) #if defined(CONFIG_USER_ONLY) env->pstate = PSTATE_MODE_EL0t; /* Userspace expects access to DC ZVA, CTL_EL0 and the cache ops */ - env->cp15.c1_sys |= SCTLR_UCT | SCTLR_UCI | SCTLR_DZE; + env->cp15.sctlr_el[1] |= SCTLR_UCT | SCTLR_UCI | SCTLR_DZE; /* and to the FP/Neon instructions */ env->cp15.c1_coproc = deposit64(env->cp15.c1_coproc, 20, 2, 3); #else @@ -167,7 +167,11 @@ static void arm_cpu_reset(CPUState *s) env->thumb = initial_pc & 1; } - if (env->cp15.c1_sys & SCTLR_V) { + /* AArch32 has a hard highvec setting of 0xFFFF0000. If we are currently + * executing as AArch32 then check if highvecs are enabled and + * adjust the PC accordingly. + */ + if (A32_BANKED_CURRENT_REG_GET(env, sctlr) & SCTLR_V) { env->regs[15] = 0xFFFF0000; } |