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| author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2016-06-10 19:35:16 +0200 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-06-21 00:11:49 +0200 |
| commit | 710566093a504f0fecb641661c5379cad268189b (patch) | |
| tree | 3707b8c91b624e0e4dd40653d46674200eb03dc6 | |
| parent | 2459f677310efdde229bab3406b2fb5d91f5ec20 (diff) | |
| download | coreboot-710566093a504f0fecb641661c5379cad268189b.tar.xz | |
riscv-spike: Move coreboot to 0x80000000 (2GiB)
This is where the RAM is (now), on RISC-V.
We need to put coreboot.rom in RAM because Spike (at the moment) only
supports loading code into the RAM, not into the boot ROM.
Change-Id: I6c9b7cffe5fa414825491ee4ac0d2dad59a2d75c
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/15149
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | src/arch/riscv/bootblock.S | 7 | ||||
| -rw-r--r-- | src/mainboard/emulation/spike-riscv/memlayout.ld | 14 |
2 files changed, 13 insertions, 8 deletions
diff --git a/src/arch/riscv/bootblock.S b/src/arch/riscv/bootblock.S index 029e9e48a3..e75e1ca407 100644 --- a/src/arch/riscv/bootblock.S +++ b/src/arch/riscv/bootblock.S @@ -34,8 +34,11 @@ machine_handler: .globl _start _start: +#define STACK_START 0x80800000 /* 2GiB + 8MiB */ +#define STACK_SIZE 0x0000fff0 + // pending figuring out this f-ing toolchain. Hardcode what we know works. - li sp, 0x80FFF0 // stack start + stack size + li sp, STACK_START + STACK_SIZE # make room for HLS and initialize it addi sp, sp, -64 // MENTRY_FRAME_SIZE @@ -43,7 +46,7 @@ _start: call hls_init //poison the stack - li t1, 0x800000 + li t1, STACK_START li t0, 0xdeadbeef sd t0, 0(t1) diff --git a/src/mainboard/emulation/spike-riscv/memlayout.ld b/src/mainboard/emulation/spike-riscv/memlayout.ld index 276483f336..8d35a64a9c 100644 --- a/src/mainboard/emulation/spike-riscv/memlayout.ld +++ b/src/mainboard/emulation/spike-riscv/memlayout.ld @@ -17,12 +17,14 @@ #include <arch/header.ld> +#define START 0x80000000 + SECTIONS { - DRAM_START(0x0) - BOOTBLOCK(0x0, 64K) - STACK(8M, 64K) - ROMSTAGE(8M + 64K, 128K) - PRERAM_CBMEM_CONSOLE(8M + 192k, 8K) - RAMSTAGE(8M + 200K, 256K) + DRAM_START(START) + BOOTBLOCK(START, 64K) + STACK(START + 8M, 64K) + ROMSTAGE(START + 8M + 64K, 128K) + PRERAM_CBMEM_CONSOLE(START + 8M + 192k, 8K) + RAMSTAGE(START + 8M + 200K, 256K) } |