Merge remote-tracking branch 'remotes/stsquad/tags/pull-misc-6.0-updates-170321-2' into staging

Final fixes for 6.0

  - plugins physical address changes
  - syscall tracking plugin
  - plugin kernel-doc comments (without integration)
  - libfdt build fix for guest-loader

# gpg: Signature made Wed 17 Mar 2021 07:19:23 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-misc-6.0-updates-170321-2:
  hw/core: Only build guest-loader if libfdt is available
  plugins: Fixes typo in qemu-plugin.h
  plugins: getting qemu_plugin_get_hwaddr only expose one function prototype
  plugins: expand kernel-doc for memory query and instrumentation
  plugins: expand kernel-doc for instruction query and instrumentation
  plugins: expand inline exec kernel-doc documentation.
  plugins: add qemu_plugin_id_t to kernel-doc
  plugins: add qemu_plugin_cb_flags to kernel-doc
  plugins: expand the typedef kernel-docs for translation
  plugins: expand the callback typedef kernel-docs
  plugins: cleanup kernel-doc for qemu_plugin_install
  plugins: expand kernel-doc for qemu_info_t
  plugins: Expose physical addresses instead of device offsets
  plugins: new syscalls plugin
  utils: Use fixed-point arithmetic in qemu_strtosz

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

1 files changed, 15 insertions, 10 deletions

diff --git a/plugins/api.c b/plugins/api.c
index 0b04380d57..b22998cd7c 100644
--- a/plugins/api.c
+++ b/plugins/api.c
@@ -40,6 +40,7 @@
 #include "sysemu/sysemu.h"
 #include "tcg/tcg.h"
 #include "exec/exec-all.h"
+#include "exec/ram_addr.h"
 #include "disas/disas.h"
 #include "plugin.h"
 #ifndef CONFIG_USER_ONLY
@@ -265,10 +266,12 @@ bool qemu_plugin_mem_is_store(qemu_plugin_meminfo_t info)
 
 #ifdef CONFIG_SOFTMMU
 static __thread struct qemu_plugin_hwaddr hwaddr_info;
+#endif
 
 struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
                                                   uint64_t vaddr)
 {
+#ifdef CONFIG_SOFTMMU
     CPUState *cpu = current_cpu;
     unsigned int mmu_idx = info >> TRACE_MEM_MMU_SHIFT;
     hwaddr_info.is_store = info & TRACE_MEM_ST;
@@ -280,14 +283,10 @@ struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
     }
 
     return &hwaddr_info;
-}
 #else
-struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
-                                                  uint64_t vaddr)
-{
     return NULL;
-}
 #endif
+}
 
 bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr)
 {
@@ -298,19 +297,25 @@ bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr)
 #endif
 }
 
-uint64_t qemu_plugin_hwaddr_device_offset(const struct qemu_plugin_hwaddr *haddr)
+uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu_plugin_hwaddr *haddr)
 {
 #ifdef CONFIG_SOFTMMU
     if (haddr) {
         if (!haddr->is_io) {
-            ram_addr_t ram_addr = qemu_ram_addr_from_host((void *) haddr->v.ram.hostaddr);
-            if (ram_addr == RAM_ADDR_INVALID) {
+            RAMBlock *block;
+            ram_addr_t offset;
+            void *hostaddr = (void *) haddr->v.ram.hostaddr;
+
+            block = qemu_ram_block_from_host(hostaddr, false, &offset);
+            if (!block) {
                 error_report("Bad ram pointer %"PRIx64"", haddr->v.ram.hostaddr);
                 abort();
             }
-            return ram_addr;
+
+            return block->offset + offset + block->mr->addr;
         } else {
-            return haddr->v.io.offset;
+            MemoryRegionSection *mrs = haddr->v.io.section;
+            return haddr->v.io.offset + mrs->mr->addr;
         }
     }
 #endif