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WIP; doesn't work.

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Change-Id: Ia407e82ccbd2044ad61e0845d285dd5765154476
This commit is contained in:
Tim Newsome
2017-10-12 11:45:52 -07:00
parent 77802af655
commit 94e8250713
5 changed files with 55 additions and 174 deletions
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src/target/riscv/program.c
-71
View File
@@ -100,77 +100,6 @@ int riscv_program_exec(struct riscv_program *p, struct target *t)
return ERROR_OK;
}
riscv_addr_t riscv_program_alloc_data(struct riscv_program *p, size_t bytes)
{
riscv_addr_t addr =
riscv_debug_buffer_addr(p->target)
+ riscv_debug_buffer_size(p->target) * sizeof(p->debug_buffer[0])
- p->data_count * sizeof(p->debug_buffer[0])
- bytes;
while (addr % bytes != 0) addr--;
riscv_addr_t ptop =
riscv_debug_buffer_addr(p->target)
+ p->instruction_count * sizeof(p->debug_buffer[0]);
if (addr <= ptop) {
LOG_ERROR("unable to allocate %d bytes", (int)bytes);
return RISCV_PROGRAM_ALLOC_FAIL;
}
p->data_count =
+ riscv_debug_buffer_size(p->target)
- (addr - riscv_debug_buffer_addr(p->target)) / sizeof(p->debug_buffer[0]);
return addr;
}
riscv_addr_t riscv_program_alloc_x(struct riscv_program *p)
{
return riscv_program_alloc_data(p, p->target_xlen / 8);
}
riscv_addr_t riscv_program_alloc_d(struct riscv_program *p)
{
return riscv_program_alloc_data(p, 8);
}
riscv_addr_t riscv_program_alloc_w(struct riscv_program *p)
{
return riscv_program_alloc_data(p, 4);
}
riscv_addr_t riscv_program_alloc_h(struct riscv_program *p)
{
return riscv_program_alloc_data(p, 2);
}
riscv_addr_t riscv_program_alloc_b(struct riscv_program *p)
{
return riscv_program_alloc_data(p, 1);
}
riscv_insn_t riscv_program_read_ram(struct riscv_program *p, riscv_addr_t addr)
{
if (addr < riscv_debug_buffer_addr(p->target))
return -1;
if ((size_t)addr > riscv_debug_buffer_addr(p->target) + (riscv_debug_buffer_size(p->target) * sizeof(p->debug_buffer[0])))
return -1;
int off = (addr - riscv_debug_buffer_addr(p->target)) / sizeof(p->debug_buffer[0]);
return p->debug_buffer[off];
}
void riscv_program_write_ram(struct riscv_program *p, riscv_addr_t addr, uint64_t d)
{
if (addr < riscv_debug_buffer_addr(p->target))
return;
if ((size_t)addr > riscv_debug_buffer_addr(p->target) + (riscv_debug_buffer_size(p->target) * sizeof(p->debug_buffer[0])))
return;
int off = (addr - riscv_debug_buffer_addr(p->target)) / sizeof(p->debug_buffer[0]);
p->debug_buffer[off] = d;
}
int riscv_program_swr(struct riscv_program *p, enum gdb_regno d, enum gdb_regno b, int offset)
{
p->writes_memory = 1;