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[PATCH for-7.2 v2 04/20] hw/ppc: set machine->fdt in ppce500_load_device
From: |
Daniel Henrique Barboza |
Subject: |
[PATCH for-7.2 v2 04/20] hw/ppc: set machine->fdt in ppce500_load_device_tree() |
Date: |
Fri, 5 Aug 2022 06:39:32 -0300 |
This will enable support for 'dumpdtb' and 'info fdt' HMP commands for
the e500 machine.
Cc: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
hw/ppc/e500.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 32495d0123..07c15fc181 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 +602,18 @@ done:
cpu_physical_memory_write(addr, fdt, fdt_size);
}
ret = fdt_size;
- g_free(fdt);
+
+ /*
+ * Update the machine->fdt pointer to enable support for
+ * 'dumpdtb' and 'info fdt' commands. Use fdt_pack() to
+ * shrink the blob size we're going to store.
+ *
+ * The FDT is re-created during reset, so free machine->fdt
+ * to avoid leaking the old FDT.
+ */
+ g_free(machine->fdt);
+ fdt_pack(fdt);
+ machine->fdt = fdt;
out:
g_free(pci_map);
--
2.36.1
- [PATCH for-7.2 v2 00/20] QMP/HMP: add 'dumpdtb' and 'info fdt' commands, Daniel Henrique Barboza, 2022/08/05
- [PATCH for-7.2 v2 02/20] hw/microblaze: set machine->fdt in microblaze_load_dtb(), Daniel Henrique Barboza, 2022/08/05
- [PATCH for-7.2 v2 03/20] hw/nios2: set machine->fdt in nios2_load_dtb(), Daniel Henrique Barboza, 2022/08/05
- [PATCH for-7.2 v2 04/20] hw/ppc: set machine->fdt in ppce500_load_device_tree(),
Daniel Henrique Barboza <=
- [PATCH for-7.2 v2 06/20] hw/ppc: set machine->fdt in sam460ex_load_device_tree(), Daniel Henrique Barboza, 2022/08/05
- [PATCH for-7.2 v2 08/20] hw/ppc: set machine->fdt in pegasos2_machine_reset(), Daniel Henrique Barboza, 2022/08/05
- [PATCH for-7.2 v2 09/20] hw/ppc: set machine->fdt in pnv_reset(), Daniel Henrique Barboza, 2022/08/05
- Re: [PATCH for-7.2 v2 09/20] hw/ppc: set machine->fdt in pnv_reset(), Cédric Le Goater, 2022/08/08
[PATCH for-7.2 v2 10/20] hw/ppc: set machine->fdt in spapr machine, Daniel Henrique Barboza, 2022/08/05