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https://github.com/logicog/RTLPlayground.git
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gnacho
4a9137387c
test_port_tables and test_page_json link httpd/page_impl.c unmodified, which now references session_timeout. Define it in support.c next to the other firmware globals so the tests link again on current main.
105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/*
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* support.c — mock hardware edges + test environment for the host harness.
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*
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* Everything the firmware expects the platform/other-TUs to provide, but which
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* has no business touching real hardware in a unit test, lives here: the serial
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* ring, the command/history buffers, the character-output sink, and stubs for
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* the print helpers. The buffers are sized EXACTLY as on target so that
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* AddressSanitizer redzones catch the same off-by-one overflows the 8051 hits.
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*/
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#include "sdcc_shim.h"
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#include <stdint.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <signal.h>
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/* Declared by hand instead of <unistd.h>, whose sleep() prototype clashes with
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* the firmware's own sleep() declaration in rtl837x_common.h. */
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extern unsigned int alarm(unsigned int);
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extern void _exit(int);
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#include "rtl837x_common.h" /* SBUF_SIZE, CMD_BUF_SIZE, CMD_HISTORY_SIZE, decls */
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#include "support.h"
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/* --- symbols the editor/parser reference (extern in the firmware headers) --- */
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__xdata volatile uint8_t sbuf_ptr;
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__xdata uint8_t sbuf[SBUF_SIZE];
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uint8_t cmd_buffer[CMD_BUF_SIZE]; /* ASan-instrumented: OOB caught */
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uint8_t cmd_available;
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uint8_t err_status;
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uint8_t cmd_history[CMD_HISTORY_SIZE];
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uint16_t cmd_history_ptr;
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__xdata uint16_t session_timeout = 200; /* httpd global, referenced by page_impl.c */
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/* editor-internal read pointer (defined in cmd_editor.c, external linkage) */
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extern __xdata uint8_t l;
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/* the editor entry points under test */
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void cmd_editor_init(void);
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void cmd_edit(void);
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/* ------------------------------- output sink ------------------------------- */
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char out_buf[8192];
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size_t out_len;
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void out_reset(void) { out_len = 0; out_buf[0] = 0; }
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static void out_putc(char c) {
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if (out_len < sizeof(out_buf) - 1) { out_buf[out_len++] = c; out_buf[out_len] = 0; }
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}
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/* --- mocked print helpers (signatures match rtl837x_common.h post-shim) ---- */
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void write_char(char c) { out_putc(c); }
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void print_string(const char *p) { while (*p) out_putc(*p++); }
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void print_string_x(char *p) { while (*p) out_putc(*p++); }
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void print_cmd_prompt(void) { print_string((char *)"> "); }
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void itoa(uint8_t v) { /* firmware prints a decimal number */
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char t[4]; int n = 0;
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if (!v) { out_putc('0'); return; }
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while (v) { t[n++] = '0' + v % 10; v /= 10; }
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while (n) out_putc(t[--n]);
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}
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/* ------------------------------ environment -------------------------------- */
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void env_reset(void) {
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sbuf_ptr = 0;
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t_memset(sbuf, 0, sizeof(sbuf));
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t_memset(cmd_buffer, 0, sizeof(cmd_buffer));
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t_memset(cmd_history, 0, sizeof(cmd_history));
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cmd_history_ptr = 0;
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cmd_available = 0;
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err_status = 0;
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out_reset();
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cmd_editor_init(); /* sets l = sbuf_ptr, clears cursor/len */
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}
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/* Push one byte into the ring, draining first if it is full (leave 1 slot). */
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static void ring_push(uint8_t b) {
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while (((sbuf_ptr + 1) & SBUF_MASK) == l)
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cmd_edit(); /* drain; under the C4 bug this spins */
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sbuf[sbuf_ptr] = b;
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sbuf_ptr = (sbuf_ptr + 1) & SBUF_MASK;
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}
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void feed_n(const char *s, size_t n) {
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for (size_t i = 0; i < n; i++) ring_push((uint8_t)s[i]);
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cmd_edit();
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}
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void feed(const char *s) { feed_n(s, t_strlen(s)); }
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/* -------------------------------- watchdog --------------------------------- */
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static const char *wd_what;
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static void wd_fire(int sig) {
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(void)sig;
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/* async-signal-unsafe write is acceptable: we abort immediately after. */
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fprintf(stderr, "\n HANG DETECTED (watchdog): %s\n", wd_what ? wd_what : "?");
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_exit(2);
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}
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void watchdog_arm(unsigned seconds, const char *what) {
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wd_what = what;
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signal(SIGALRM, wd_fire);
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alarm(seconds);
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}
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void watchdog_disarm(void) { alarm(0); }
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/* -------------------------------- framework -------------------------------- */
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int tests_run, tests_failed;
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