diff options
Diffstat (limited to 'hw/riscv/boot.c')
| -rw-r--r-- | hw/riscv/boot.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 2e319168db..d36d3a7104 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -293,7 +293,7 @@ out: * The FDT is fdt_packed() during the calculation. */ uint64_t riscv_compute_fdt_addr(hwaddr dram_base, hwaddr dram_size, - MachineState *ms) + MachineState *ms, RISCVHartArrayState *harts) { int ret = fdt_pack(ms->fdt); hwaddr dram_end, temp; @@ -317,11 +317,15 @@ uint64_t riscv_compute_fdt_addr(hwaddr dram_base, hwaddr dram_size, /* * We should put fdt as far as possible to avoid kernel/initrd overwriting - * its content. But it should be addressable by 32 bit system as well. - * Thus, put it at an 2MB aligned address that less than fdt size from the - * end of dram or 3GB whichever is lesser. + * its content. But it should be addressable by 32 bit system as well in RV32. + * Thus, put it near to the end of dram in RV64, and put it near to the end + * of dram or 3GB whichever is lesser in RV32. */ - temp = (dram_base < 3072 * MiB) ? MIN(dram_end, 3072 * MiB) : dram_end; + if (!riscv_is_32bit(harts)) { + temp = dram_end; + } else { + temp = (dram_base < 3072 * MiB) ? MIN(dram_end, 3072 * MiB) : dram_end; + } return QEMU_ALIGN_DOWN(temp - fdtsize, 2 * MiB); } |