qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Daniel Henrique Barboza <danielhb413@gmail.com>
To: qemu-devel@nongnu.org
Cc: "Daniel Henrique Barboza" <danielhb413@gmail.com>,
	"Cédric Le Goater" <clg@kaod.org>
Subject: [PATCH v8 07/16] hw/ppc: set machine->fdt in ppce500_load_device_tree()
Date: Mon, 26 Sep 2022 14:38:46 -0300	[thread overview]
Message-ID: <20220926173855.1159396-8-danielhb413@gmail.com> (raw)
In-Reply-To: <20220926173855.1159396-1-danielhb413@gmail.com>

This will enable support for 'dumpdtb' QMP/HMP command for the e500
machine.

Cc: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
 hw/ppc/e500.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 32495d0123..ea5f947824 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -47,6 +47,8 @@
 #include "hw/i2c/i2c.h"
 #include "hw/irq.h"
 
+#include <libfdt.h>
+
 #define EPAPR_MAGIC                (0x45504150)
 #define DTC_LOAD_PAD               0x1800000
 #define DTC_PAD_MASK               0xFFFFF
@@ -600,7 +602,16 @@ done:
         cpu_physical_memory_write(addr, fdt, fdt_size);
     }
     ret = fdt_size;
-    g_free(fdt);
+
+    /*
+     * Update the machine->fdt pointer to enable support for the
+     * 'dumpdtb' QMP/HMP command.
+     *
+     * The FDT is re-created during reset, so free machine->fdt
+     * to avoid leaking the old FDT.
+     */
+    g_free(machine->fdt);
+    machine->fdt = fdt;
 
 out:
     g_free(pci_map);
-- 
2.37.3



  parent reply	other threads:[~2022-09-26 17:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-26 17:38 [PATCH v8 00/16] QMP/HMP: introduce 'dumpdtb' Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 01/16] qmp/hmp, device_tree.c: introduce dumpdtb Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 02/16] hw/core: free ms->fdt in machine_finalize() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 03/16] hw/arm: do not free machine->fdt in arm_load_dtb() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 04/16] hw/mips: set machine->fdt in boston_mach_init() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 05/16] hw/microblaze: set machine->fdt in microblaze_load_dtb() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 06/16] hw/nios2: set machine->fdt in nios2_load_dtb() Daniel Henrique Barboza
2022-09-26 17:38 ` Daniel Henrique Barboza [this message]
2022-09-26 17:38 ` [PATCH v8 08/16] hw/ppc: set machine->fdt in bamboo_load_device_tree() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 09/16] hw/ppc: set machine->fdt in sam460ex_load_device_tree() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 10/16] hw/ppc: set machine->fdt in xilinx_load_device_tree() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 11/16] hw/ppc: set machine->fdt in pegasos2_machine_reset() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 12/16] hw/ppc: set machine->fdt in pnv_reset() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 13/16] hw/ppc: set machine->fdt in spapr machine Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 14/16] hw/riscv: set machine->fdt in sifive_u_machine_init() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 15/16] hw/riscv: set machine->fdt in spike_board_init() Daniel Henrique Barboza
2022-09-26 17:38 ` [PATCH v8 16/16] hw/xtensa: set machine->fdt in xtfpga_init() Daniel Henrique Barboza
2022-10-08 10:52 ` [PATCH v8 00/16] QMP/HMP: introduce 'dumpdtb' Daniel Henrique Barboza
2022-10-15 12:06 ` Daniel Henrique Barboza

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220926173855.1159396-8-danielhb413@gmail.com \
    --to=danielhb413@gmail.com \
    --cc=clg@kaod.org \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).