sifive_e: Support the revB machine
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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@ -95,10 +95,14 @@ static void riscv_sifive_e_init(MachineState *machine)
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memmap[SIFIVE_E_DTIM].base, main_mem);
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/* Mask ROM reset vector */
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uint32_t reset_vec[2] = {
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0x204002b7, /* 0x1000: lui t0,0x20400 */
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0x00028067, /* 0x1004: jr t0 */
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};
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uint32_t reset_vec[2];
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if (s->revb) {
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reset_vec[0] = 0x200102b7; /* 0x1000: lui t0,0x20010 */
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} else {
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reset_vec[0] = 0x204002b7; /* 0x1000: lui t0,0x20400 */
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}
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reset_vec[1] = 0x00028067; /* 0x1004: jr t0 */
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/* copy in the reset vector in little_endian byte order */
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for (i = 0; i < sizeof(reset_vec) >> 2; i++) {
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@ -112,8 +116,30 @@ static void riscv_sifive_e_init(MachineState *machine)
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}
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}
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static bool sifive_e_machine_get_revb(Object *obj, Error **errp)
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{
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SiFiveEState *s = RISCV_E_MACHINE(obj);
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return s->revb;
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}
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static void sifive_e_machine_set_revb(Object *obj, bool value, Error **errp)
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{
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SiFiveEState *s = RISCV_E_MACHINE(obj);
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s->revb = value;
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}
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static void sifive_e_machine_instance_init(Object *obj)
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{
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SiFiveEState *s = RISCV_E_MACHINE(obj);
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s->revb = false;
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object_property_add_bool(obj, "revb", sifive_e_machine_get_revb,
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sifive_e_machine_set_revb);
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object_property_set_description(obj, "revb",
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"Set on to tell QEMU that it should model "
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"the revB HiFive1 board");
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}
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static void sifive_e_machine_class_init(ObjectClass *oc, void *data)
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@ -45,6 +45,7 @@ typedef struct SiFiveEState {
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/*< public >*/
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SiFiveESoCState soc;
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bool revb;
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} SiFiveEState;
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#define TYPE_RISCV_E_MACHINE MACHINE_TYPE_NAME("sifive_e")
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