I have not found one tool that can obtain the fadt.c and dsdt.c from the
machine trough /proc/acpi/fadt and /proc/acpi/dsdt
I have write the two utitilities, if one needs it.
Urbez.
NOTE: you can compile the tools simply written "make genfadt" and "make
gendsdt"
#include <stdio.h>
#include <string.h>
/* FADT */
typedef unsigned char u8;
typedef unsigned long u32;
typedef unsigned short u16;
typedef struct acpi_gen_regaddr {
u8 space_id;
u8 bit_width;
u8 bit_offset;
u8 resv;
u32 addrl;
u32 addrh;
} __attribute__ ((packed)) acpi_addr_t;
/* Generic ACPI Header, provided by (almost) all tables */
typedef struct acpi_table_header /* ACPI common table header */
{
char signature [4]; /* ACPI signature (4 ASCII characters) */\
u32 length; /* Length of table, in bytes, including header */\
u8 revision; /* ACPI Specification minor version # */\
u8 checksum; /* To make sum of entire table == 0 */\
char oem_id [6]; /* OEM identification */\
char oem_table_id [8]; /* OEM table identification */\
u32 oem_revision; /* OEM revision number */\
char asl_compiler_id [4]; /* ASL compiler vendor ID */\
u32 asl_compiler_revision; /* ASL compiler revision number */
} __attribute__ ((packed)) acpi_header_t;
typedef struct acpi_fadt {
struct acpi_table_header header;
u32 firmware_ctrl;
u32 dsdt;
u8 res1;
u8 preferred_pm_profile;
u16 sci_int;
u32 smi_cmd;
u8 acpi_enable;
u8 acpi_disable;
u8 s4bios_req;
u8 pstate_cnt;
u32 pm1a_evt_blk;
u32 pm1b_evt_blk;
u32 pm1a_cnt_blk;
u32 pm1b_cnt_blk;
u32 pm2_cnt_blk;
u32 pm_tmr_blk;
u32 gpe0_blk;
u32 gpe1_blk;
u8 pm1_evt_len;
u8 pm1_cnt_len;
u8 pm2_cnt_len;
u8 pm_tmr_len;
u8 gpe0_blk_len;
u8 gpe1_blk_len;
u8 gpe1_base;
u8 cst_cnt;
u16 p_lvl2_lat;
u16 p_lvl3_lat;
u16 flush_size;
u16 flush_stride;
u8 duty_offset;
u8 duty_width;
u8 day_alrm;
u8 mon_alrm;
u8 century;
u16 iapc_boot_arch;
u8 res2;
u32 flags;
struct acpi_gen_regaddr reset_reg;
u8 reset_value;
u8 res3;
u8 res4;
u8 res5;
u32 x_firmware_ctl_l;
u32 x_firmware_ctl_h;
u32 x_dsdt_l;
u32 x_dsdt_h;
struct acpi_gen_regaddr x_pm1a_evt_blk;
struct acpi_gen_regaddr x_pm1b_evt_blk;
struct acpi_gen_regaddr x_pm1a_cnt_blk;
struct acpi_gen_regaddr x_pm1b_cnt_blk;
struct acpi_gen_regaddr x_pm2_cnt_blk;
struct acpi_gen_regaddr x_pm_tmr_blk;
struct acpi_gen_regaddr x_gpe0_blk;
struct acpi_gen_regaddr x_gpe1_blk;
} __attribute__ ((packed)) acpi_fadt_t;
struct acpi_fadt FADT;
char strn[64];
char *stri(int i,const char *str)
{
strncpy(strn,str,i);strn[i]=0;
return strn;
}
void print_u8(FILE *w,char *name,u8 val)
{
fprintf(w," %s=0x%02x;\n",name,(int)val);
}
void print_u16(FILE *w,char *name,u16 val)
{
fprintf(w," %s=0x%04x;\n",name,(int)val);
}
void print_u32(FILE *w,char *name,u32 val)
{
fprintf(w," %s=0x%08lx;\n",name,val);
}
void print_acpi_gen_regaddr(FILE *w,char *name,acpi_addr_t val)
{
char name2[256];
sprintf(name2,"%s.space_id",name);print_u8(w,name2,val.space_id);
sprintf(name2,"%s.bit_width",name);print_u8(w,name2,val.bit_width);
sprintf(name2,"%s.bit_offset",name);print_u8(w,name2,val.bit_offset);
sprintf(name2,"%s.resv",name);print_u8(w,name2,val.resv);
sprintf(name2,"%s.addrl",name);print_u32(w,name2,val.addrl);
sprintf(name2,"%s.addrh",name);print_u32(w,name2,val.addrh);
}
void print_acpi_header(FILE *w,char *name,acpi_header_t val)
{
char name2[256];
fprintf(w," memcpy(header->signature,\"%s\",4);\n",stri(4,val.signature));
fprintf(w," header->length=0x%08x;\n",val.length);
fprintf(w," header->revision=0x%02x;\n",(int)val.revision);
fprintf(w," memcpy(header->oem_id,\"%s\",6);\n",stri(6,val.oem_id));
fprintf(w," memcpy(header->oem_table_id,\"%s\",8);\n",stri(8,val.oem_table_id));
fprintf(w," header->oem_revision=0x%08x;\n",val.oem_revision);
fprintf(w," memcpy(header->asl_compiler_id,\"%s\",4);\n",stri(4,val.asl_compiler_id));
fprintf(w," header->asl_compiler_revision=0x%08x;\n",val.asl_compiler_revision);
}
int main(int argc,char **argv)
{
FILE *r,*w;
int len;
int off;
int i;
unsigned char buf[8];
if (argc<3)
{
printf("Usage ./genfadt /proc/acpi/fadt fadt.c\n");
return 0;
}
r=fopen(argv[1],"rb");
if (!r) {printf("Could not open %s\n",argv[1]);return 0;}
w=fopen(argv[2],"wb");
if (!w) {printf("Could not write %s\n",argv[2]);return 0;}
fprintf(w,"//Intel ACPI Component Architecture\n");
fprintf(w,"//File generated by genfadt\n");
len=fread(&FADT,1,sizeof(FADT),r);
fprintf(w,"#include <string.h>\n");
fprintf(w,"#include <arch/acpi.h>\n\n");
fprintf(w,"void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){\n");
fprintf(w," acpi_header_t *header=&(fadt->header);\n\n");
fprintf(w," memset((void *)fadt,0,sizeof(acpi_fadt_t));\n");
print_acpi_header(w,"fadt->header",FADT.header);
fprintf(w,"\nfadt->firmware_ctrl=facs;\n");
fprintf(w,"fadt->dsdt=dsdt;\n\n");
print_u8(w,"fadt->res1",FADT.res1);
print_u8(w,"fadt->preferred_pm_profile",FADT.preferred_pm_profile);
print_u16(w,"fadt->sci_int",FADT.sci_int);
print_u32(w,"fadt->smi_cmd",FADT.smi_cmd);
print_u8(w,"fadt->acpi_enable",FADT.acpi_enable);
print_u8(w,"fadt->acpi_disable",FADT.acpi_disable);
print_u8(w,"fadt->s4bios_req",FADT.s4bios_req);
print_u8(w,"fadt->pstate_cnt",FADT.pstate_cnt);
print_u32(w,"fadt->pm1a_evt_blk",FADT.pm1a_evt_blk);
print_u32(w,"fadt->pm1b_evt_blk",FADT.pm1b_evt_blk);
print_u32(w,"fadt->pm1a_cnt_blk",FADT.pm1a_cnt_blk);
print_u32(w,"fadt->pm1b_cnt_blk",FADT.pm1b_cnt_blk);
print_u32(w,"fadt->pm2_cnt_blk",FADT.pm2_cnt_blk);
print_u32(w,"fadt->pm_tmr_blk",FADT.pm_tmr_blk);
print_u32(w,"fadt->gpe0_blk",FADT.gpe0_blk);
print_u32(w,"fadt->gpe1_blk",FADT.gpe1_blk);
print_u8(w,"fadt->pm1_evt_len",FADT.pm1_evt_len);
print_u8(w,"fadt->pm1_cnt_len",FADT.pm1_cnt_len);
print_u8(w,"fadt->pm2_cnt_len",FADT.pm2_cnt_len);
print_u8(w,"fadt->pm_tmr_len",FADT.pm_tmr_len);
print_u8(w,"fadt->gpe0_blk_len",FADT.gpe0_blk_len);
print_u8(w,"fadt->gpe1_blk_len",FADT.gpe1_blk_len);
print_u8(w,"fadt->gpe1_base",FADT.gpe1_base);
print_u8(w,"fadt->cst_cnt",FADT.cst_cnt);
print_u16(w,"fadt->p_lvl2_lat",FADT.p_lvl2_lat);
print_u16(w,"fadt->p_lvl3_lat",FADT.p_lvl3_lat);
print_u16(w,"fadt->flush_size",FADT.flush_size);
print_u16(w,"fadt->flush_stride",FADT.flush_stride);
print_u8(w,"fadt->duty_offset",FADT.duty_offset);
print_u8(w,"fadt->duty_width",FADT.duty_width);
print_u8(w,"fadt->day_alrm",FADT.day_alrm);
print_u8(w,"fadt->mon_alrm",FADT.mon_alrm);
print_u8(w,"fadt->century",FADT.century);
print_u16(w,"fadt->iapc_boot_arch",FADT.iapc_boot_arch);
print_u8(w,"fadt->res2",FADT.res2);
print_u32(w,"fadt->flags",FADT.flags);
print_acpi_gen_regaddr(w,"fadt->reset_reg",FADT.reset_reg);
print_u8(w,"fadt->reset_value",FADT.reset_value);
print_u8(w,"fadt->res3",FADT.res3);
print_u8(w,"fadt->res4",FADT.res4);
print_u8(w,"fadt->res5",FADT.res5);
fprintf(w,"\nfadt->x_firmware_ctl_l=facs;\n");
fprintf(w,"fadt->x_firmware_ctl_h=0;\n");
fprintf(w,"fadt->x_dsdt_l=dsdt;\n");
fprintf(w,"fadt->x_dsdt_h=0;\n\n");
print_acpi_gen_regaddr(w,"fadt->x_pm1a_evt_blk",FADT.x_pm1a_evt_blk);
print_acpi_gen_regaddr(w,"fadt->x_pm1b_evt_blk",FADT.x_pm1b_evt_blk);
print_acpi_gen_regaddr(w,"fadt->x_pm1a_cnt_blk",FADT.x_pm1a_cnt_blk);
print_acpi_gen_regaddr(w,"fadt->x_pm1b_cnt_blk",FADT.x_pm1b_cnt_blk);
print_acpi_gen_regaddr(w,"fadt->x_pm2_cnt_blk",FADT.x_pm2_cnt_blk);
print_acpi_gen_regaddr(w,"fadt->x_pm_tmr_blk",FADT.x_pm_tmr_blk);
print_acpi_gen_regaddr(w,"fadt->x_gpe0_blk",FADT.x_gpe0_blk);
print_acpi_gen_regaddr(w,"fadt->x_gpe1_blk",FADT.x_gpe1_blk);
fprintf(w," header->checksum = acpi_checksum((void *)fadt, sizeof(acpi_fadt_t));\n}\n");
fclose(w);
fclose(r);
}
#include <stdio.h>
int main(int argc,char **argv)
{
FILE *r,*w;
int len;
int off;
int i;
unsigned char buf[8];
if (argc<3)
{
printf("Usage ./gendsdt /proc/acpi/dsdt dsdt.c\n");
return 0;
}
r=fopen(argv[1],"rb");
if (!r) {printf("Could not open %s\n",argv[1]);return 0;}
w=fopen(argv[2],"wb");
if (!w) {printf("Could not write %s\n",argv[2]);return 0;}
fprintf(w,"//Intel ACPI Component Architecture\n");
fprintf(w,"//File generated by gendsdt\n");
fprintf(w,"unsigned char AmlCode[] =\n{\n");
off=0;
while(!feof(r))
{
len=fread(buf,1,8,r);
if (len<=0) break;
fprintf(w," ");
for (i=0;i<len;i++) fprintf(w,"0x%02x,",(int)buf[i]);
fprintf(w," // %08x \"",off);
for (i=0;i<len;i++) fprintf(w,"%c",(buf[i]>=32 && buf[i]<127)?buf[i]:'.');
fprintf(w,"\"\n");
off+=len;
}
fprintf(w,"};\n");
fclose(w);
fclose(r);
}--
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