fdt_load_addr is getting overflowed when there is no DRAM at lower 32 bit address space. To support pure 64-bit DRAM address, fdt_load_addr variable's data type is changed to uint64_t instead of uint32_t.

[PATCH qemu] fdt_load_addr is getting overflowed when there is no DRAM at lower 32 bit address space. To support pure 64-bit DRAM address, fdt_load_addr variable's data type is changed to uint64_t instead of uint32_t.

~rlakshmibai posted 1 patch 11 months ago

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Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/qemu tags/patchew/168727295428.6281.779141407696793820-0@git.sr.ht

Maintainers: Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Daniel Henrique Barboza <dbarboza@ventanamicro.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>

hw/riscv/virt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH qemu] fdt_load_addr is getting overflowed when there is no DRAM at lower 32 bit address space. To support pure 64-bit DRAM address, fdt_load_addr variable's data type is changed to uint64_t instead of uint32_t.

Posted by ~rlakshmibai 11 months ago

From: Lakshmi Bai Raja Subramanian <lakshmi.bai.rajasubramanian@bodhicomputing.com>

Signed-off-by: Lakshmi Bai Raja Subramanian <lakshmi.bai.rajasubramanian@bodhicomputing.com>
---
 hw/riscv/virt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index 95708d890e..c348529ac0 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -1244,7 +1244,7 @@ static void virt_machine_done(Notifier *notifier, void *data)
     target_ulong start_addr = memmap[VIRT_DRAM].base;
     target_ulong firmware_end_addr, kernel_start_addr;
     const char *firmware_name = riscv_default_firmware_name(&s->soc[0]);
-    uint32_t fdt_load_addr;
+    uint64_t fdt_load_addr;
     uint64_t kernel_entry = 0;
     BlockBackend *pflash_blk0;
 
-- 
2.38.5