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starkernel: color the console prompt (FABRIC.md item 4.4h)

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console.c's emit_prefix() now wraps [VMName] (brackets included) in
FABRIC.md 4.4's locked orange (0xFFA500), and repl.c's two "ok> "
call sites send FABRIC.md 4.4's locked cyan (0x55FFFF), both as real
SGR escape sequences through the existing font_8x16.c/vt100.c pipeline
-- 4.4b already established this needs no dependency on TTF-TEXT/4.4j.
Sent through both raw_putc() (serial) and vt100_putc() (framebuffer),
matching the existing dual-path pattern, so an ANSI-aware serial
terminal renders the same colors as the framebuffer.

Three-arch verified: amd64/aarch64/riscv64 all reach ok>, POST
Failed: 0, identical dict-hashes. Color applies correctly to any VM
name (confirmed via the [Hermes]-prefixed PARITY:BIRTH line in all
three logs, not just [Hera]). amd64 screendump confirms the rendered
colors directly.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Robert Allan James
2026-08-11 19:35:32 -04:00
co-authored by Claude Sonnet 5
parent f33353430f
commit ae7c9429b4
14 changed files with 54897 additions and 100 deletions
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src/starkernel/repl.c
+8 -2
View File
@@ -36,6 +36,12 @@
#include "starkernel/arch.h"
#include <stdint.h>
/* FABRIC.md 4.4: "ok>" (including its trailing space) renders in bright
* cyan, 0x55FFFF -- reuses FB_ANSI_PALETTE[14]. Sent as a real SGR escape
* so it colors both the framebuffer (parsed by vt100.c's apply_sgr()) and
* any ANSI-aware serial terminal, per 4.4c's "identical on both" goal. */
#define SK_PROMPT_TEXT "\x1b[38;2;85;255;255mok> \x1b[39m"
const char lithos_version[64] = LITHOS_VERSION_STR;
/*===========================================================================
@@ -187,7 +193,7 @@ int sk_repl_step(VM *vm)
const char *vn = console_get_vm_name();
int is_hera = (!vn || (vn[0]=='H' && vn[1]=='e' && vn[2]=='r' && vn[3]=='a' && vn[4]=='\0'));
vm->emergency_console = is_hera ? (vm->zuse_session ? 0 : 1) : 0;
console_puts("ok> ");
console_puts(SK_PROMPT_TEXT);
}
sk_readline(input, sizeof(input));
@@ -234,7 +240,7 @@ void sk_repl_run(VM *vm)
const char *vn = console_get_vm_name();
int is_hera = (!vn || (vn[0]=='H' && vn[1]=='e' && vn[2]=='r' && vn[3]=='a' && vn[4]=='\0'));
active->emergency_console = is_hera ? (active->zuse_session ? 0 : 1) : 0;
console_puts("ok> ");
console_puts(SK_PROMPT_TEXT);
}
sk_readline(input, sizeof(input));