urbit/include/f/host.h
2014-03-14 10:50:12 -07:00

352 lines
12 KiB
C

/* include/host.h
**
** This file is in the public domain.
*/
/** Macros.
**/
/* Symbol composition. Horrid.
*/
# define _j2_xd(x) j2_##x##_d
# define _j2_xm(x) j2_##x##_m
# define _j2_xmc(x) j2_##x##_mc
# define _j2_xmy(x) j2_##x##_my
# define _j2_xmx(x) j2_##x##_mx
# define _j2_xmk(x) j2_##x##_mk
# define _j2_xmi(x) j2_##x##_mi
# define _j2_xmj(x) j2_##x##_jets
# define _j2_xmd(x) j2_##x##_drivers
# define _j2_xp(p, x) j2_##x##_p_##p
# define _j2_xpc(p, x) j2_##x##_pc_##p
# define _j2_xss(x) #x
# define _j2_xs(x) _j2_xss(x)
# define _j2_qd(x) _j2_xd(x)
# define _j2_qm(x) _j2_xm(x)
# define _j2_qmc(x) _j2_xmc(x)
# define _j2_qmy(x) _j2_xmy(x)
# define _j2_qmx(x) _j2_xmx(x)
# define _j2_qmi(x) _j2_xmi(x)
# define _j2_qmk(x) _j2_xmk(x)
# define _j2_qmd(x) _j2_xmd(x)
# define _j2_qmj(x) _j2_xmj(x)
# define _j2_qp(p, x) _j2_xp(p, x)
# define _j2_qpc(p, x) _j2_xpc(p, x)
# define _j2_a(a) a
# define _j2_ab(a, b) a##__##b
# define _j2_abc(a, b, c) a##__##b##__##c
# define _j2_abcd(a, b, c, d) a##__##b##__##c##__##d
# define _j2_abcde(a, b, c, d, e) a##__##b##__##c##__##d##__##e
# define j2_sa(a) _j2_xs(_j2_a(a))
# define j2_sb(a, b) _j2_xs(_j2_ab(a, b))
# define j2_sc(a, b, c) _j2_xs(_j2_abc(a, b, c))
# define j2_sd(a, b, c, d) _j2_xs(_j2_abcd(a, b, c, d))
# define j2_se(a, b, c, d, e) _j2_xs(_j2_abcde(a, b, c, d, e))
# define j2_da(a) _j2_qd(_j2_a(a))
# define j2_db(a, b) _j2_qd(_j2_ab(a, b))
# define j2_dc(a, b, c) _j2_qd(_j2_abc(a, b, c))
# define j2_dd(a, b, c, d) _j2_qd(_j2_abcd(a, b, c, d))
# define j2_de(a, b, c, d, e) _j2_qd(_j2_abcde(a, b, c, d, e))
# define j2_ma(a) _j2_qm(_j2_a(a))
# define j2_mb(a, b) _j2_qm(_j2_ab(a, b))
# define j2_mc(a, b, c) _j2_qm(_j2_abc(a, b, c))
# define j2_md(a, b, c, d) _j2_qm(_j2_abcd(a, b, c, d))
# define j2_me(a, b, c, d, e) _j2_qm(_j2_abcde(a, b, c, d, e))
# define j2_mac(a) _j2_qmc(_j2_a(a))
# define j2_mbc(a, b) _j2_qmc(_j2_ab(a, b))
# define j2_mcc(a, b, c) _j2_qmc(_j2_abc(a, b, c))
# define j2_mdc(a, b, c, d) _j2_qmc(_j2_abcd(a, b, c, d))
# define j2_mec(a, b, c, d, e) _j2_qmc(_j2_abcde(a, b, c, d, e))
# define j2_may(a) _j2_qmy(_j2_a(a))
# define j2_mby(a, b) _j2_qmy(_j2_ab(a, b))
# define j2_mcy(a, b, c) _j2_qmy(_j2_abc(a, b, c))
# define j2_mdy(a, b, c, d) _j2_qmy(_j2_abcd(a, b, c, d))
# define j2_mey(a, b, c, d, e) _j2_qmy(_j2_abcde(a, b, c, d, e))
# define j2_max(a) _j2_qmx(_j2_a(a))
# define j2_mbx(a, b) _j2_qmx(_j2_ab(a, b))
# define j2_mcx(a, b, c) _j2_qmx(_j2_abc(a, b, c))
# define j2_mdx(a, b, c, d) _j2_qmx(_j2_abcd(a, b, c, d))
# define j2_mex(a, b, c, d, e) _j2_qmx(_j2_abcde(a, b, c, d, e))
# define j2_mai(a) _j2_qmi(_j2_a(a))
# define j2_mbi(a, b) _j2_qmi(_j2_ab(a, b))
# define j2_mci(a, b, c) _j2_qmi(_j2_abc(a, b, c))
# define j2_mdi(a, b, c, d) _j2_qmi(_j2_abcd(a, b, c, d))
# define j2_mei(a, b, c, d, e) _j2_qmi(_j2_abcde(a, b, c, d, e))
# define j2_mak(a) _j2_qmk(_j2_a(a))
# define j2_mbk(a, b) _j2_qmk(_j2_ab(a, b))
# define j2_mck(a, b, c) _j2_qmk(_j2_abc(a, b, c))
# define j2_mdk(a, b, c, d) _j2_qmk(_j2_abcd(a, b, c, d))
# define j2_mek(a, b, c, d, e) _j2_qmk(_j2_abcde(a, b, c, d, e))
# define j2_maj(a) _j2_qmj(_j2_a(a))
# define j2_mbj(a, b) _j2_qmj(_j2_ab(a, b))
# define j2_mcj(a, b, c) _j2_qmj(_j2_abc(a, b, c))
# define j2_mdj(a, b, c, d) _j2_qmj(_j2_abcd(a, b, c, d))
# define j2_mej(a, b, c, d, e) _j2_qmj(_j2_abcde(a, b, c, d, e))
# define j2_mad(a) _j2_qmd(_j2_a(a))
# define j2_mbd(a, b) _j2_qmd(_j2_ab(a, b))
# define j2_mcd(a, b, c) _j2_qmd(_j2_abc(a, b, c))
# define j2_mdd(a, b, c, d) _j2_qmd(_j2_abcd(a, b, c, d))
# define j2_med(a, b, c, d, e) _j2_qmd(_j2_abcde(a, b, c, d, e))
# define j2_pa(a, p) _j2_qp(p, _j2_a(a))
# define j2_pb(a, b, p) _j2_qp(p, _j2_ab(a, b))
# define j2_pc(a, b, c, p) _j2_qp(p, _j2_abc(a, b, c))
# define j2_pd(a, b, c, d, p) _j2_qp(p, _j2_abcd(a, b, c, d))
# define j2_pe(a, b, c, d, e, p) _j2_qp(p, _j2_abcde(a, b, c, d, e))
# define j2_pac(a, p) _j2_qpc(p, _j2_a(a))
# define j2_pbc(a, b, p) _j2_qpc(p, _j2_ab(a, b))
# define j2_pcc(a, b, c, p) _j2_qpc(p, _j2_abc(a, b, c))
# define j2_pdc(a, b, c, d, p) _j2_qpc(p, _j2_abcd(a, b, c, d))
# define j2_pec(a, b, c, d, e, p) _j2_qpc(p, _j2_abcde(a, b, c, d, e))
/** Types.
**/
/* u2_ho_fun: actual function.
*/
typedef u2_noun (*u2_ho_fun)(u2_ray wir_r, u2_noun cor);
/* Jet to hash selector.
*/
# define u2_jet_fun_m(jet_j) (0x7fffffff & (c3_w)(c3_p)(jet_j))
/* u2_ho_state: jet state beans
*/
typedef c3_w u2_ho_state;
# define u2_jet_live 0x1 // live: C jet active
# define u2_jet_test 0x2 // test: C jet must be tested
# define u2_jet_memo 0x4 // memo: memoize, even if jet is dead
# define u2_jet_leak 0x8 // leak: check for memory leaks
# define u2_jet_dead 0
/* u2_ho_pear: mug-to-pointer binding.
*/
typedef struct {
u2_noun tag;
void* ptr_v;
} u2_ho_pear;
/* u2_ho_cash: mug-to-pointer cache. Semantics match sham.
*/
typedef struct {
u2_ho_pear dol_p[16];
} u2_ho_cash;
/* u2_ho_jet: a C function, per formula.
*/
typedef struct {
/* Function control string - finds formula in core. Declared.
**
** ".@" | "hook"
*/
const c3_c* fcs_c;
/* Invocation model. Declared:
**
** c3__lite // does not bail
** c3__hevy // may bail
*/
c3_m vok_m;
/* C function, on core. Declared.
*/
u2_noun (*fun_f)(u2_ray wir_r, u2_noun cor);
/* State - see above. Declared, but may change dynamically.
*/
u2_ho_state sat_s;
/* chip: battery identifier. Computed (declare u2_none).
*/
u2_noun xip;
/* Tool: Nock formula. Computed (declare u2_none).
*/
u2_tool fol;
/* Custom memoization key from core. Declared - should reorder.
*/
u2_noun (*key_f)(u2_ray wir_r, u2_noun cor);
/* Memo selector. Declared, with key function.
*/
c3_m fun_m;
/* Axis in battery. Computed (declare 0).
*/
c3_l axe_l;
} u2_ho_jet;
/* u2_ho_driver: battery driver.
*/
typedef struct _u2_ho_driver {
/* Control string - computed from seals.
*/
const c3_c* cos_c;
/* Function/formula jet array. Null `fcs` terminates.
*/
u2_ho_jet *fan_j;
/* Subdriver array, if any.
*/
struct _u2_ho_driver* sub_d;
/* Mug: short hash of chip, or 0. Must match if set.
*/
c3_w mug_w;
/* chip: battery identifier, from shed.
*/
u2_noun xip;
/* Cache from axe to jet.
*/
u2_ho_cash jax_s;
} u2_ho_driver;
/* u2_ho_hangar: driver system.
*/
typedef struct _u2_ho_hangar {
/* Cache from chip to driver.
*/
u2_ho_cash bad_s;
/* Next hangar in stack.
*/
struct _u2_ho_hangar *nex_h;
} u2_ho_hangar;
/** Globals.
**/
extern u2_ho_driver *HostDriverBase[];
/** Functions.
**/
/* u2_ho_push():
**
** Push a driver hangar (corresponding to a jet shed).
*/
void
u2_ho_push(void);
/* u2_ho_popp():
**
** Pop a driver hangar.
*/
void
u2_ho_popp(void);
/* u2_ho_klar():
**
** Clear and release all hangars.
*/
void
u2_ho_klar(void);
/* u2_ho_cstring(): return malloced control string for `xip`.
*/
c3_c* // transfer
u2_ho_cstring(u2_noun xip); // retain
/* u2_ho_warn():
**
** Report a warning at file and line. This is assumed
** to have no semantic effect and negligible cost.
*/
void
u2_ho_warn(const c3_c* fil_c,
c3_w lyn_w);
# define u2_ho_warn_here() u2_ho_warn(__FILE__, __LINE__)
/* u2_ho_test():
**
** Report result of jet test on `cor`. `pro` is fast; `vet` is slow.
*/
void
u2_ho_test(u2_wire wir_r,
u2_ho_jet* jet_j,
u2_weak cor, // retain
u2_weak sof, // retain
u2_weak had); // retain
/* u2_ho_dive():
**
** Report compatibility failure in `xip`, with subject `bus`.
*/
void
u2_ho_dive(u2_wire wir_r,
u2_noun xip, // retain
u2_noun bus); // retain
/* u2_ho_fine():
**
** Report test execution in `xip`, with subject `bus`.
*/
void
u2_ho_fine(u2_wire wir_r,
u2_noun xip, // retain
u2_noun bus); // retain
/* u2_ho_use():
**
** Run a jet. Must be previously verified with u2_ho_nice().
*/
u2_weak // transfer
u2_ho_use(u2_ray wir_r,
u2_ho_jet* jet_j, // retain
u2_noun cor, // retain
u2_noun fol); // retain
/* u2_ho_nice():
**
** Verify quickly that a chip's jet supports this core.
**
** Only the outer battery is assumed to match.
*/
u2_bean
u2_ho_nice(u2_ray wir_r,
u2_ho_jet* jet_j,
u2_noun cor);
/* u2_ho_punt():
**
** Apply host nock driver on `xip`, `cor`, `fol`.
*/
u2_weak
u2_ho_punt(u2_ray wir_r,
u2_noun xip, // retain
u2_noun cor, // retain
u2_noun fol); // retain
/* u2_ho_kick():
**
** Apply host nock driver on `xip`, `cor`, `fol`.
*/
u2_weak // produce
u2_ho_kick(u2_ray wir_r,
u2_noun xip, // retain
u2_noun cor, // retain
u2_atom axe); // retain
/* u2_ho_kicq(): as u2_ho_kick(), but mocky.
*/
u2_noun // produce
u2_ho_kicq(u2_ray wir_r,
u2_noun xip, // retain
u2_noun cor, // retain
u2_atom axe, // retain
u2_bean *pon); // retain