Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-docs-xen-updates-100321-2' into staging

Testing, guest-loader and other misc tweaks

  - add warning text to quickstart example
  - add CFI tests to CI
  - use --arch-only for docker pre-requisites
  - fix .editorconfig for emacs
  - add guest-loader for Xen-like hypervisor testing
  - move generic-loader docs into manual proper
  - move semihosting out of hw/

# gpg: Signature made Wed 10 Mar 2021 15:35:31 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-docs-xen-updates-100321-2:
  semihosting: Move hw/semihosting/ -> semihosting/
  semihosting: Move include/hw/semihosting/ -> include/semihosting/
  tests/avocado: add boot_xen tests
  docs: add some documentation for the guest-loader
  docs: move generic-loader documentation into the main manual
  hw/core: implement a guest-loader to support static hypervisor guests
  device_tree: add qemu_fdt_setprop_string_array helper
  hw/riscv: migrate fdt field to generic MachineState
  hw/board: promote fdt from ARM VirtMachineState to MachineState
  .editorconfig: update the automatic mode setting for Emacs
  tests/docker: Use --arch-only when building Debian cross image
  gitlab-ci.yml: Add jobs to test CFI flags
  gitlab-ci.yml: Allow custom # of parallel linkers
  tests/docker: add a test-tcg for building then running check-tcg
  docs/system: add a gentle prompt for the complexity to come

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

5 files changed, 1 insertions, 148 deletions

diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
index ee9a93101e..921416f918 100644
--- a/include/hw/arm/virt.h
+++ b/include/hw/arm/virt.h
@@ -153,7 +153,6 @@ struct VirtMachineState {
     MemMapEntry *memmap;
     char *pciehb_nodename;
     const int *irqmap;
-    void *fdt;
     int fdt_size;
     uint32_t clock_phandle;
     uint32_t gic_phandle;
diff --git a/include/hw/boards.h b/include/hw/boards.h
index a46dfe5d1a..5fda5fd128 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -258,6 +258,7 @@ struct MachineState {
 
     /*< public >*/
 
+    void *fdt;
     char *dtb;
     char *dumpdtb;
     int phandle_start;
diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h
index 84b7a3848f..632da52018 100644
--- a/include/hw/riscv/virt.h
+++ b/include/hw/riscv/virt.h
@@ -41,7 +41,6 @@ struct RISCVVirtState {
     DeviceState *plic[VIRT_SOCKETS_MAX];
     PFlashCFI01 *flash[2];
 
-    void *fdt;
     int fdt_size;
 };
 
diff --git a/include/hw/semihosting/console.h b/include/hw/semihosting/console.h
deleted file mode 100644
index 0238f540f4..0000000000
--- a/include/hw/semihosting/console.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Semihosting Console
- *
- * Copyright (c) 2019 Linaro Ltd
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#ifndef SEMIHOST_CONSOLE_H
-#define SEMIHOST_CONSOLE_H
-
-#include "cpu.h"
-
-/**
- * qemu_semihosting_console_outs:
- * @env: CPUArchState
- * @s: host address of null terminated guest string
- *
- * Send a null terminated guest string to the debug console. This may
- * be the remote gdb session if a softmmu guest is currently being
- * debugged.
- *
- * Returns: number of bytes written.
- */
-int qemu_semihosting_console_outs(CPUArchState *env, target_ulong s);
-
-/**
- * qemu_semihosting_console_outc:
- * @env: CPUArchState
- * @s: host address of null terminated guest string
- *
- * Send single character from guest memory to the debug console. This
- * may be the remote gdb session if a softmmu guest is currently being
- * debugged.
- *
- * Returns: nothing
- */
-void qemu_semihosting_console_outc(CPUArchState *env, target_ulong c);
-
-/**
- * qemu_semihosting_console_inc:
- * @env: CPUArchState
- *
- * Receive single character from debug console. This may be the remote
- * gdb session if a softmmu guest is currently being debugged. As this
- * call may block if no data is available we suspend the CPU and will
- * re-execute the instruction when data is there. Therefore two
- * conditions must be met:
- *   - CPUState is synchronized before calling this function
- *   - pc is only updated once the character is successfully returned
- *
- * Returns: character read OR cpu_loop_exit!
- */
-target_ulong qemu_semihosting_console_inc(CPUArchState *env);
-
-/**
- * qemu_semihosting_log_out:
- * @s: pointer to string
- * @len: length of string
- *
- * Send a string to the debug output. Unlike console_out these strings
- * can't be sent to a remote gdb instance as they don't exist in guest
- * memory.
- *
- * Returns: number of bytes written
- */
-int qemu_semihosting_log_out(const char *s, int len);
-
-#endif /* SEMIHOST_CONSOLE_H */
diff --git a/include/hw/semihosting/semihost.h b/include/hw/semihosting/semihost.h
deleted file mode 100644
index 0c55ade3ac..0000000000
--- a/include/hw/semihosting/semihost.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Semihosting support
- *
- * Copyright (c) 2015 Imagination Technologies
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef SEMIHOST_H
-#define SEMIHOST_H
-
-typedef enum SemihostingTarget {
-    SEMIHOSTING_TARGET_AUTO = 0,
-    SEMIHOSTING_TARGET_NATIVE,
-    SEMIHOSTING_TARGET_GDB
-} SemihostingTarget;
-
-#ifdef CONFIG_USER_ONLY
-static inline bool semihosting_enabled(void)
-{
-    return true;
-}
-
-static inline SemihostingTarget semihosting_get_target(void)
-{
-    return SEMIHOSTING_TARGET_AUTO;
-}
-
-static inline const char *semihosting_get_arg(int i)
-{
-    return NULL;
-}
-
-static inline int semihosting_get_argc(void)
-{
-    return 0;
-}
-
-static inline const char *semihosting_get_cmdline(void)
-{
-    return NULL;
-}
-
-static inline Chardev *semihosting_get_chardev(void)
-{
-    return NULL;
-}
-static inline void qemu_semihosting_console_init(void)
-{
-}
-#else /* !CONFIG_USER_ONLY */
-bool semihosting_enabled(void);
-SemihostingTarget semihosting_get_target(void);
-const char *semihosting_get_arg(int i);
-int semihosting_get_argc(void);
-const char *semihosting_get_cmdline(void);
-void semihosting_arg_fallback(const char *file, const char *cmd);
-Chardev *semihosting_get_chardev(void);
-/* for vl.c hooks */
-void qemu_semihosting_enable(void);
-int qemu_semihosting_config_options(const char *opt);
-void qemu_semihosting_connect_chardevs(void);
-void qemu_semihosting_console_init(void);
-#endif /* CONFIG_USER_ONLY */
-
-#endif /* SEMIHOST_H */