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authorClaudio Fontana2021-02-04 17:39:24 +0100
committerRichard Henderson2021-02-05 21:24:15 +0100
commit940e43aa30e0f793bd18b79221296cdf17724018 (patch)
tree9ab6484293ad85368f66aaf72ee944493cf3913c /accel/tcg
parentcpu: tcg_ops: move to tcg-cpu-ops.h, keep a pointer in CPUClass (diff)
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accel: extend AccelState and AccelClass to user-mode
Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> [claudio: rebased on Richard's splitwx work] Signed-off-by: Claudio Fontana <cfontana@suse.de> Message-Id: <20210204163931.7358-17-cfontana@suse.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel/tcg')
-rw-r--r--accel/tcg/meson.build2
-rw-r--r--accel/tcg/tcg-all.c15
2 files changed, 13 insertions, 4 deletions
diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build
index f39aab0a0c..424d9bb1fc 100644
--- a/accel/tcg/meson.build
+++ b/accel/tcg/meson.build
@@ -1,5 +1,6 @@
tcg_ss = ss.source_set()
tcg_ss.add(files(
+ 'tcg-all.c',
'cpu-exec-common.c',
'cpu-exec.c',
'tcg-runtime-gvec.c',
@@ -13,7 +14,6 @@ tcg_ss.add(when: 'CONFIG_PLUGIN', if_true: [files('plugin-gen.c'), libdl])
specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss)
specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TCG'], if_true: files(
- 'tcg-all.c',
'cputlb.c',
'tcg-cpus.c',
'tcg-cpus-mttcg.c',
diff --git a/accel/tcg/tcg-all.c b/accel/tcg/tcg-all.c
index 2eea8c32ee..642a7b94a7 100644
--- a/accel/tcg/tcg-all.c
+++ b/accel/tcg/tcg-all.c
@@ -30,9 +30,12 @@
#include "tcg/tcg.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
-#include "hw/boards.h"
+#include "qemu/accel.h"
#include "qapi/qapi-builtin-visit.h"
+
+#ifndef CONFIG_USER_ONLY
#include "tcg-cpus.h"
+#endif /* CONFIG_USER_ONLY */
struct TCGState {
AccelState parent_obj;
@@ -97,7 +100,7 @@ static void tcg_accel_instance_init(Object *obj)
s->mttcg_enabled = default_mttcg_enabled();
/* If debugging enabled, default "auto on", otherwise off. */
-#ifdef CONFIG_DEBUG_TCG
+#if defined(CONFIG_DEBUG_TCG) && !defined(CONFIG_USER_ONLY)
s->splitwx_enabled = -1;
#else
s->splitwx_enabled = 0;
@@ -114,8 +117,12 @@ static int tcg_init(MachineState *ms)
mttcg_enabled = s->mttcg_enabled;
/*
- * Initialize TCG regions
+ * Initialize TCG regions only for softmmu.
+ *
+ * This needs to be done later for user mode, because the prologue
+ * generation needs to be delayed so that GUEST_BASE is already set.
*/
+#ifndef CONFIG_USER_ONLY
tcg_region_init();
if (mttcg_enabled) {
@@ -125,6 +132,8 @@ static int tcg_init(MachineState *ms)
} else {
cpus_register_accel(&tcg_cpus_rr);
}
+#endif /* !CONFIG_USER_ONLY */
+
return 0;
}