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Consistently set any new state and do break out of case/default

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Signed-off-by: Daniel Lublin <daniel@lublin.se>
This commit is contained in:
Daniel Lublin 2023-03-10 07:41:28 +01:00
parent f9960de506
commit 2b9bfc0eff
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GPG Key ID: 75BD0FEB8D3E7830
1 changed files with 31 additions and 20 deletions
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51
hw/application_fpga/fw/tk1/main.c
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@ -127,8 +127,9 @@ static void copy_name(uint8_t *buf, const size_t bufsiz, const uint32_t word)
buf[3] = word;
}
static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
enum state state, struct context *ctx)
static enum state initial_commands(const struct frame_header *hdr,
const uint8_t *cmd, enum state state,
struct context *ctx)
{
uint8_t rsp[CMDLEN_MAXBYTES] = {0};
@ -137,7 +138,8 @@ static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
htif_puts("cmd: name-version\n");
if (hdr->len != 1) {
// Bad length
return FW_STATE_FAIL;
state = FW_STATE_FAIL;
break;
}
copy_name(rsp, CMDLEN_MAXBYTES, *name0);
@ -147,8 +149,7 @@ static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
htif_hexdump(rsp, 12);
fwreply(*hdr, FW_RSP_NAME_VERSION, rsp);
// state unchanged
return state;
// still initial state
break;
case FW_CMD_GET_UDI: {
@ -157,16 +158,17 @@ static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
htif_puts("cmd: get-udi\n");
if (hdr->len != 1) {
// Bad length
return FW_STATE_FAIL;
state = FW_STATE_FAIL;
break;
}
rsp[0] = STATUS_OK;
wordcpy_s(udi_words, 2, (void *)udi, 2);
memcpy_s(&rsp[1], CMDLEN_MAXBYTES - 1, udi_words, 2 * 4);
fwreply(*hdr, FW_RSP_GET_UDI, rsp);
// state unchanged
return state;
} break;
// still initial state
break;
}
case FW_CMD_LOAD_APP: {
uint32_t local_app_size;
@ -174,7 +176,8 @@ static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
htif_puts("cmd: load-app(size, uss)\n");
if (hdr->len != 512) {
// Bad length
return FW_STATE_FAIL;
state = FW_STATE_FAIL;
break;
}
// cmd[1..4] contains the size.
@ -188,8 +191,8 @@ static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
if (local_app_size == 0 || local_app_size > TK1_APP_MAX_SIZE) {
rsp[0] = STATUS_BAD;
fwreply(*hdr, FW_RSP_LOAD_APP, rsp);
return state;
// still initial state
break;
}
*app_size = local_app_size;
@ -211,20 +214,24 @@ static int initial_commands(const struct frame_header *hdr, const uint8_t *cmd,
ctx->left = *app_size;
return FW_STATE_LOADING;
} break;
state = FW_STATE_LOADING;
break;
}
default:
htif_puts("Got unknown firmware cmd: 0x");
htif_puthex(cmd[0]);
htif_lf();
state = FW_STATE_FAIL;
break;
}
return FW_STATE_FAIL;
return state;
}
static int loading_commands(const struct frame_header *hdr, const uint8_t *cmd,
enum state state, struct context *ctx)
static enum state loading_commands(const struct frame_header *hdr,
const uint8_t *cmd, enum state state,
struct context *ctx)
{
uint8_t rsp[CMDLEN_MAXBYTES] = {0};
int nbytes;
@ -234,7 +241,8 @@ static int loading_commands(const struct frame_header *hdr, const uint8_t *cmd,
htif_puts("cmd: load-app-data\n");
if (hdr->len != 512) {
// Bad length
return FW_STATE_FAIL;
state = FW_STATE_FAIL;
break;
}
if (ctx->left > (512 - 1)) {
@ -267,18 +275,21 @@ static int loading_commands(const struct frame_header *hdr, const uint8_t *cmd,
32);
fwreply(*hdr, FW_RSP_LOAD_APP_DATA_READY, rsp);
return FW_STATE_RUN;
state = FW_STATE_RUN;
break;
}
rsp[0] = STATUS_OK;
fwreply(*hdr, FW_RSP_LOAD_APP_DATA, rsp);
// still loading state
break;
default:
htif_puts("Got unknown firmware cmd: 0x");
htif_puthex(cmd[0]);
htif_lf();
return FW_STATE_FAIL;
state = FW_STATE_FAIL;
break;
}
return state;