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test: Make bootdata accessible in C programs #240

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7 changes: 4 additions & 3 deletions hw/snitch_cluster/test/bootdata.cc.tpl
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Original file line number Diff line number Diff line change
@@ -1,12 +1,13 @@
// Copyright 2021 ETH Zurich and University of Bologna.
// Copyright 2025 ETH Zurich and University of Bologna.
// Solderpad Hardware License, Version 0.51, see LICENSE for details.
// SPDX-License-Identifier: SHL-0.51

#include <tb_lib.hh>
#include "bootdata.h"

namespace sim {
const BootData BOOTDATA = {.boot_addr = ${hex(cfg['cluster']['boot_addr'])},
// Allow other C sources to use BOOTDATA (ex. crt0s defined in other SDKs)
extern "C" const BootData BOOTDATA = {.boot_addr = ${hex(cfg['cluster']['boot_addr'])},
.core_count = ${cfg['cluster']['nr_cores']},
.hartid_base = ${cfg['cluster']['cluster_base_hartid']},
.tcdm_start = ${hex(cfg['cluster']['cluster_base_addr'])},
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20 changes: 20 additions & 0 deletions target/common/test/bootdata.h
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@@ -0,0 +1,20 @@
// Copyright 2025 ETH Zurich and University of Bologna.
// Solderpad Hardware License, Version 0.51, see LICENSE for details.
// SPDX-License-Identifier: SHL-0.51

#pragma once

#include <inttypes.h>

struct BootData {
uint32_t boot_addr;
uint32_t core_count;
uint32_t hartid_base;
uint32_t tcdm_start;
uint32_t tcdm_size;
uint32_t tcdm_offset;
uint64_t global_mem_start;
uint64_t global_mem_end;
uint32_t cluster_count;
uint32_t clint_base;
};
1 change: 1 addition & 0 deletions target/common/test/sim.hh
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Expand Up @@ -14,6 +14,7 @@
#include <unordered_map>
#include <vector>

#include "bootdata.h"
#include "ipc.hh"

namespace sim {
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14 changes: 1 addition & 13 deletions target/common/test/tb_lib.hh
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Expand Up @@ -116,18 +116,6 @@ struct GlobalMemory {
extern GlobalMemory MEM;

// The boot data generated along with the system RTL.
struct BootData {
uint32_t boot_addr;
uint32_t core_count;
uint32_t hartid_base;
uint32_t tcdm_start;
uint32_t tcdm_size;
uint32_t tcdm_offset;
uint64_t global_mem_start;
uint64_t global_mem_end;
uint32_t cluster_count;
uint32_t clint_base;
};
extern const BootData BOOTDATA;
extern "C" const BootData BOOTDATA;

} // namespace sim