diff options
Diffstat (limited to 'hw/xtensa/xtfpga.c')
| -rw-r--r-- | hw/xtensa/xtfpga.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c index 1971ecfdc5..ba681683d6 100644 --- a/hw/xtensa/xtfpga.c +++ b/hw/xtensa/xtfpga.c @@ -372,15 +372,33 @@ static void lx_init(const LxBoardDesc *board, MachineState *machine) } } if (entry_point != env->pc) { - static const uint8_t jx_a0[] = { + uint8_t boot[] = { #ifdef TARGET_WORDS_BIGENDIAN - 0x0a, 0, 0, + 0x60, 0x00, 0x08, /* j 1f */ + 0x00, /* .literal_position */ + 0x00, 0x00, 0x00, 0x00, /* .literal entry_pc */ + 0x00, 0x00, 0x00, 0x00, /* .literal entry_a2 */ + /* 1: */ + 0x10, 0xff, 0xfe, /* l32r a0, entry_pc */ + 0x12, 0xff, 0xfe, /* l32r a2, entry_a2 */ + 0x0a, 0x00, 0x00, /* jx a0 */ #else - 0xa0, 0, 0, + 0x06, 0x02, 0x00, /* j 1f */ + 0x00, /* .literal_position */ + 0x00, 0x00, 0x00, 0x00, /* .literal entry_pc */ + 0x00, 0x00, 0x00, 0x00, /* .literal entry_a2 */ + /* 1: */ + 0x01, 0xfe, 0xff, /* l32r a0, entry_pc */ + 0x21, 0xfe, 0xff, /* l32r a2, entry_a2 */ + 0xa0, 0x00, 0x00, /* jx a0 */ #endif }; - env->regs[0] = entry_point; - cpu_physical_memory_write(env->pc, jx_a0, sizeof(jx_a0)); + uint32_t entry_pc = tswap32(entry_point); + uint32_t entry_a2 = tswap32(tagptr); + + memcpy(boot + 4, &entry_pc, sizeof(entry_pc)); + memcpy(boot + 8, &entry_a2, sizeof(entry_a2)); + cpu_physical_memory_write(env->pc, boot, sizeof(boot)); } } else { if (flash) { |